U.S. patent application number 16/001774 was filed with the patent office on 2018-10-04 for overriding control of motorize transport unit systems, devices and methods.
The applicant listed for this patent is Walmart Apollo, LLC. Invention is credited to Michael D. Atchley, Donald R. High, Karl Kay, David C. Winkle.
Application Number | 20180282139 16/001774 |
Document ID | / |
Family ID | 56849708 |
Filed Date | 2018-10-04 |
United States Patent
Application |
20180282139 |
Kind Code |
A1 |
High; Donald R. ; et
al. |
October 4, 2018 |
OVERRIDING CONTROL OF MOTORIZE TRANSPORT UNIT SYSTEMS, DEVICES AND
METHODS
Abstract
Some embodiments include apparatuses providing control over
movement of motorized transport units at a shopping facility,
comprising: multiple self-propelled motorized transport units; a
wireless communication network; and a central computer system,
wherein the central computer system comprises: a transceiver; a
control circuit; and a memory storing computer instructions that
when executed cause the control circuit to: receive an override
command, from a worker associated with the shopping facility, to
cause a first motorized transport unit of the multiple motorized
transport units to implement one or more actions; confirm a valid
authorization of the worker to override one or more operating
limits of the first motorized transport unit; and override the one
or more operating limits and communicate one or more instructions
to the first motorized transport unit configured to cause the first
motorized transport unit to implement the one or more actions in
accordance with the override command.
Inventors: |
High; Donald R.; (Noel,
MO) ; Atchley; Michael D.; (Springdale, AR) ;
Kay; Karl; (Gentry, AR) ; Winkle; David C.;
(Bella Vista, AR) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
Walmart Apollo, LLC |
Bentonville |
AR |
US |
|
|
Family ID: |
56849708 |
Appl. No.: |
16/001774 |
Filed: |
June 6, 2018 |
Related U.S. Patent Documents
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Application
Number |
Filing Date |
Patent Number |
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15061350 |
Mar 4, 2016 |
9994434 |
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16001774 |
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62303021 |
Mar 3, 2016 |
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62302547 |
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62302567 |
Mar 2, 2016 |
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62302713 |
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62292084 |
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62214826 |
Sep 4, 2015 |
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62214824 |
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62207858 |
Aug 20, 2015 |
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62205539 |
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62205548 |
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62205555 |
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62202747 |
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Jun 26, 2015 |
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Current U.S.
Class: |
1/1 |
Current CPC
Class: |
B07C 5/3422 20130101;
B60L 53/63 20190201; G05B 2219/23363 20130101; G06K 7/10821
20130101; G06Q 50/28 20130101; H04N 13/282 20180501; A47L 2201/04
20130101; G06T 2207/10028 20130101; G08G 1/20 20130101; B07C
2501/0045 20130101; B60L 53/36 20190201; G05D 1/0291 20130101; G06K
7/1413 20130101; G06T 7/74 20170101; G05B 2219/39107 20130101; G05D
1/0027 20130101; G06Q 30/0619 20130101; H04W 4/021 20130101; G05D
1/0016 20130101; G05D 1/0219 20130101; H04B 10/116 20130101; H04N
7/185 20130101; G06K 9/00624 20130101; G05B 19/048 20130101; G06Q
20/12 20130101; G06T 7/593 20170101; G10L 17/22 20130101; A47L
11/4011 20130101; G05D 1/0088 20130101; G06K 9/00208 20130101; G06K
9/00791 20130101; G10L 13/00 20130101; A47F 10/04 20130101; B62B
5/0069 20130101; E01H 5/12 20130101; G05D 1/0255 20130101; G06Q
10/02 20130101; H04N 7/18 20130101; B07C 2501/0063 20130101; G05D
1/0276 20130101; G06K 7/10297 20130101; G06Q 30/0281 20130101; B60P
3/06 20130101; G01S 1/7034 20190801; H02J 7/0027 20130101; H04B
1/38 20130101; A47F 3/08 20130101; A47F 2010/025 20130101; B60Y
2410/10 20130101; G06Q 10/30 20130101; H04N 7/183 20130101; Y02T
10/70 20130101; Y02T 10/7072 20130101; G01S 1/72 20130101; G01S
2201/02 20190801; H04L 67/12 20130101; Y02T 90/12 20130101; G06Q
30/0601 20130101; G10L 2015/223 20130101; H02J 7/0071 20200101;
G06Q 30/0631 20130101; E01H 5/061 20130101; G06K 9/6256 20130101;
G06Q 10/0631 20130101; G06Q 50/30 20130101; H04W 4/40 20180201;
A47F 2010/005 20130101; G05D 1/0011 20130101; H04W 4/80 20180201;
G06Q 10/1095 20130101; G01C 21/206 20130101; G06Q 30/016 20130101;
H04W 4/33 20180201; G06K 9/3208 20130101; G06Q 10/083 20130101;
H04L 63/0846 20130101; G05D 2201/0216 20130101; G01S 1/7038
20190801; G06Q 30/0635 20130101; B65F 3/00 20130101; G05D 1/0061
20130101; G05D 1/021 20130101; G06Q 30/0633 20130101; H04L 63/08
20130101; G01S 1/70 20130101; H04N 5/77 20130101; Y10S 901/01
20130101; G06K 9/18 20130101; B62B 5/0076 20130101; G06Q 30/0641
20130101; B62B 5/0026 20130101; B65F 2210/168 20130101; G01S 1/02
20130101; G10L 15/22 20130101; H04W 4/02 20130101; A47F 13/00
20130101; G05D 2201/0203 20130101; G06Q 30/0639 20130101; H04L
67/143 20130101; G06Q 10/06311 20130101; G06K 9/00711 20130101;
G06K 9/00671 20130101; H04W 4/029 20180201; G05D 1/0246 20130101;
G05D 1/04 20130101; G06F 3/017 20130101; G06Q 10/087 20130101; G05D
1/0022 20130101; G05D 1/0293 20130101; G06K 2009/00738 20130101;
Y02W 30/82 20150501; G05D 1/0234 20130101; G06K 9/78 20130101; G06Q
30/0617 20130101; H04W 4/30 20180201; B66F 9/063 20130101; G05B
19/124 20130101; G05D 1/028 20130101; G05D 1/0289 20130101; G06F
16/90335 20190101; G06K 9/00771 20130101; G06Q 30/0613 20130101;
B07C 5/28 20130101; G05D 1/0214 20130101; G06Q 10/06315 20130101;
H04L 63/06 20130101; G05D 1/0297 20130101; G06K 9/00805 20130101;
H02J 7/00034 20200101; Y02P 90/02 20151101; H02J 7/0013 20130101;
B07C 2501/0054 20130101; G06F 21/606 20130101; G06Q 30/0605
20130101; H04L 67/141 20130101; Y02W 90/00 20150501; Y04S 10/50
20130101 |
International
Class: |
B66F 9/06 20060101
B66F009/06; H04W 4/80 20060101 H04W004/80; A47F 10/04 20060101
A47F010/04; G06K 9/00 20060101 G06K009/00; G05D 1/04 20060101
G05D001/04; G05D 1/02 20060101 G05D001/02; G05D 1/00 20060101
G05D001/00; B60L 11/18 20060101 B60L011/18; H04N 7/18 20060101
H04N007/18; H04N 13/282 20060101 H04N013/282; G06T 7/73 20060101
G06T007/73; G06T 7/593 20060101 G06T007/593; H04W 4/33 20060101
H04W004/33; A47F 13/00 20060101 A47F013/00; H04W 4/30 20060101
H04W004/30; A47L 11/40 20060101 A47L011/40; H04L 29/08 20060101
H04L029/08; H04B 10/116 20060101 H04B010/116 |
Claims
1. An apparatus providing control over movement of motorized
transport units at a shopping facility, comprising: multiple
self-propelled motorized transport units configured to move through
at least a portion of a shopping facility; a wireless communication
network; and a central computer system that is separate and
distinct from the multiple motorized transport units and configured
to communicate with each of the multiple motorized transport units
via the wireless communication network, wherein the central
computer system comprises: a transceiver configured to communicate
with the motorized transport units located at the shopping
facility; a control circuit coupled with the transceiver; and a
memory coupled to the control circuit and storing computer
instructions that when executed by the control circuit cause the
control circuit to: receive an override command, from a first
worker associated with the shopping facility, to cause a first
motorized transport unit of the multiple motorized transport units
to implement one or more actions; confirm a valid authorization of
the first worker to override one or more operating limits of the
first motorized transport unit; and override the one or more
operating limits and communicate one or more instructions to the
first motorized transport unit configured to cause the first
motorized transport unit to implement the one or more actions in
accordance with the override command.
2. The apparatus of claim 1, wherein the control circuit is further
configured to: identify one or more sensors on the first motorized
transport unit that detect one or more conditions confirming that
at least one of the one or more operating limits are exceeded;
disregard sensor information detected by the identified one or more
sensors and received from the first motorized transport unit; and
continue to communicate the one or more instructions in
contradiction to the sensor information.
3. The apparatus of claim 1, wherein at least one of the one or
more operating limits is a geographic boundary limit that the first
motorized transport unit is restricted from passing, and at least
one of the one or more instructions overrides the restriction of
the boundary limit and is configured to cause the first motorized
transport unit to travel outside the boundary limit.
4. The apparatus of claim 3, wherein the control circuit is further
configured to: identify that the override command causes an
override of a customer that is associated with the first motorized
transport unit at the time the override command is received; and
wherein the override of the one or more operating limits comprises
overriding one or more instructions intended to implement actions
to support the use of the first motorized transport by the
customer, and override the customer and inhibit control of the
first motorized transport unit in accordance with a shopping
experience by the customer.
5. The apparatus of claim 3, wherein the control circuit is further
configured to: identify that the override command causes an
override of a second worker that has overridden the operation of
the first motorized transport unit, wherein the first worker has a
higher authorization priority than the second worker; and wherein
the central computer system in overriding of the one or more
operating limits is further configured to override one or more
override commands received from the second worker and inhibit
control of the first motorized transport unit by the second
worker.
6. The apparatus of claim 2, wherein the control circuit is further
configured to: identify that there is not a predefined route of
travel for the first motorized transport unit to follow to
implement the override command; and record the override command
along with one or more subsequent override commands and movement of
the first motorized transport unit defining a new route in
implementing the one or more actions.
7. The apparatus of claim 3, wherein the control circuit is further
configured to: lock out one or more tasks that the first motorized
transport unit is configured to perform while implementing the one
or more actions that cause the first motorized transport unit to
exceed the one or more operating limits; and prevent the first
motorized transport unit from performing the one or more tasks.
8. The apparatus of claim 1, wherein the control circuit, in
confirming the valid authorization of the first worker to override,
is configured to receive an input associated with an identification
of the first worker, access a worker database, retrieve from the
worker database and based on the identification of the first worker
the authorization associated with the first worker, and confirm the
authorization based on a current state of operation of the first
motorized transport unit.
9. The apparatus of claim 8, wherein the control circuit, in
receiving the input, is configured to receive a user interface unit
identifier from a portable user interface unit associated with the
first worker.
10. The apparatus of claim 8, wherein the control circuit, in
confirming the authorization based on a current state of operation
of the first motorized transport unit, is configured to confirm
that the override command is specified within the worker database
as being a first type of task of a limited set of types of tasks
for which the first worker is authorized to initiate.
11. A method of providing control over movement of motorized
transport units at a shopping facility, comprising: by a control
circuit of a shopping facility: receiving an override command, from
a first worker associated with a shopping facility, to cause a
self-propelled motorized transport unit to implement one or more
actions at the shopping facility, wherein the control circuit is
separate and distinct from the motorized transport unit; confirming
a valid authorization of the first worker to override one or more
operating limits of the motorized transport unit; and overriding
the one or more operating limits and communicating one or more
instructions to the motorized transport unit configured to cause
the motorized transport unit to implement the one or more actions
in accordance with the override command.
12. The method of claim 11, further comprising: identifying one or
more sensors on the motorized transport unit that detect one or
more conditions confirming that at least one of the one or more
operating limits are exceeded; disregarding sensor information
detected by the identified one or more sensors and received from
the motorized transport unit; and continuing to communicate the one
or more instructions in contradiction to the sensor
information.
13. The method of claim 11, further comprising: identifying that at
least one of the one or more operating limits is a geographic
boundary limit that the motorized transport unit is restricted from
passing, and wherein at least one of the one or more instructions
overrides the restriction of the boundary limit and is configured
to cause the motorized transport unit to travel outside the
boundary limit.
14. The method of claim 13, further comprising: identifying that
the override command causes an override of a customer that is
associated with the motorized transport unit at the time the
override command is received, wherein the override of the one or
more operating limits comprises overriding one or more instructions
intended to implement actions to support the use of the motorized
transport by the customer; and overriding the customer and
inhibiting control of the motorized transport unit in accordance
with a shopping experience by the customer.
15. The method of claim 13, wherein the identifying that the
override command will cause the motorized transport unit to exceed
the one or more operating limits is further comprises: identifying
that the override command causes an override of a second worker
that has overridden the operation of the motorized transport unit,
wherein the first worker has a higher authorization priority than
the second worker; and wherein the overriding of the one or more
operating limits further comprises overriding one or more override
commands received from the second worker and inhibiting control of
the motorized transport unit by the second worker.
16. The method of claim 12, further comprising: identifying that
there is not a predefined route of travel for the motorized
transport unit to follow to implement the override command; and
recording the override command along with one or more subsequent
override commands and movement of the motorized transport unit to
define a new route in implementing the one or more actions.
17. The method of claim 13, further comprising: locking out one or
more tasks that the motorized transport unit is configured to
perform while implementing the one or more actions that cause the
motorized transport unit to exceed the one or more operating
limits; and preventing the motorized transport unit from performing
the one or more tasks.
18. The method of claim 11, wherein confirming the valid
authorization of the first worker to override comprises: receiving
an input associated with an identification of the first worker,
accessing a worker database, retrieving from the worker database
and based on the identification of the first worker the
authorization associated with the first worker, and confirming the
authorization based on a current state of operation of the first
motorized transport unit.
19. The method of claim 18, wherein the receiving the input
comprises receiving a user interface unit identifier from a
portable user interface unit associated with the first worker.
20. The method of claim 18, wherein the confirming the
authorization based on a current state of operation of the first
motorized transport unit comprises confirming that the override
command is specified within the worker database as being a first
type of task of a limited set of types of tasks for which the first
worker is authorized to initiate.
Description
RELATED APPLICATIONS
[0001] This application is a continuation of U.S. application Ser.
No. 15/061,350, filed Mar. 4, 2016, Docket 8842-134589-US_624US02,
which is incorporated herein by reference in its entirety and which
claims the benefit of each of the following U.S. Provisional
applications, each of which is incorporated herein by reference in
its entirety: U.S. Provisional Application No. 62/129,726, filed
Mar. 6, 2015, Docket 8842-134158-US (587US01); U.S. Provisional
Application No. 62/129,727, filed Mar. 6, 2015, Docket
8842-134268-US (615US01); U.S. Provisional Application No.
62/138,877, filed Mar. 26, 2015, Docket 8842-134162-US (610US01);
U.S. Provisional Application No. 62/138,885, filed Mar. 26, 2015,
Docket 8842-134209-US (635US01); U.S. Provisional Application No.
62/152,421, filed Apr. 24, 2015, Docket 8842-134155-US (608US01);
U.S. Provisional Application No. 62/152,465, filed Apr. 24, 2015,
Docket 8842-134161-US (603US01); U.S. Provisional Application No.
62/152,440, filed Apr. 24, 2015, Docket 8842-134208-US (611US01);
U.S. Provisional Application No. 62/152,630, filed Apr. 24, 2015,
Docket 8842-134249-US (612US01); U.S. Provisional Application No.
62/152,711, filed Apr. 24, 2015, Docket 8842-134269-US (626US01);
U.S. Provisional Application No. 62/152,610, filed Apr. 24, 2015,
Docket 8842-134574-US (623US01); U.S. Provisional Application No.
62/152,667, filed Apr. 24, 2015, Docket 8842-134575-US (663US01);
U.S. Provisional Application No. 62/157,388, filed May 5, 2015,
Docket 8842-134573-US (606US01); U.S. Provisional Application No.
62/165,579, filed May 22, 2015, Docket 8842-134576-US (677US01);
U.S. Provisional Application No. 62/165,416, filed May 22, 2015,
Docket 8842-134589-US (624US01); U.S. Provisional Application No.
62/165,586, filed May 22, 2015, Docket 8842-134945-US (732US01);
U.S. Provisional Application No. 62/171,822, filed Jun. 5, 2015,
Docket 8842-134250-US (621US01); U.S. Provisional Application No.
62/175,182, filed Jun. 12, 2015, Docket 8842-135963-US (726US01);
U.S. Provisional Application No. 62/182,339, filed Jun. 19, 2015,
Docket 8842-135961-US (749US01); U.S. Provisional Application No.
62/185,478, filed Jun. 26, 2015, Docket 8842-136023-US (742US01);
U.S. Provisional Application No. 62/194,131, filed Jul. 17, 2015,
Docket 8842-135962-US (739US01); U.S. Provisional Application No.
62/194,119, filed Jul. 17, 2015, Docket 8842-136020-US (728US01);
U.S. Provisional Application No. 62/194,121, filed Jul. 17, 2015,
Docket 8842-136022-US (740US01); U.S. Provisional Application No.
62/194,127, filed Jul. 17, 2015, Docket 8842-136024-US (743US01);
U.S. Provisional Application No. 62/202,744, filed Aug. 7, 2015,
Docket 8842-135956-US (764US01); U.S. Provisional Application No.
62/202,747, filed Aug. 7, 2015, Docket 8842-136021-US (734US01);
U.S. Provisional Application No. 62/205,548, filed Aug. 14, 2015,
Docket 8842-135959-US (751US01); U.S. Provisional Application No.
62/205,569, filed Aug. 14, 2015, Docket 8842-136123-US (680US01);
U.S. Provisional Application No. 62/205,555, filed Aug. 14, 2015,
Docket 8842-136124-US (741US01); U.S. Provisional Application No.
62/205,539, filed Aug. 14, 2015, Docket 8842-136651-US (919US01);
U.S. Provisional Application No. 62/207,858, filed Aug. 20, 2015,
Docket 8842-136508-US (854US01); U.S. Provisional Application No.
62/214,826, filed Sep. 4, 2015, Docket 8842-136026-US (746US01);
U.S. Provisional Application No. 62/214,824, filed Sep. 4, 2015,
Docket 8842-136025-US (744US01); U.S. Provisional Application No.
62/292,084, filed Feb. 5, 2016, Docket 8842-137833-US (925US01);
U.S. Provisional Application No. 62/302,547, filed Mar. 2, 2016,
Docket 8842-136125-US (748US01); U.S. Provisional Application No.
62/302,567, filed Mar. 2, 2016, Docket 8842-138040-US (731US01);
U.S. Provisional Application No. 62/302,713, filed Mar. 2, 2016,
Docket 8842-137834-US (932US01); and U.S. Provisional Application
No. 62/303,021, filed Mar. 3, 2016, Docket 8842-137831-US
(636US01).
TECHNICAL FIELD
[0002] These teachings relate generally to shopping environments
and more particularly to devices, systems and methods for assisting
customers and/or workers in those shopping environments.
BACKGROUND
[0003] In a modern retail store environment, there is a need to
improve the customer experience and/or convenience for the
customer. Whether shopping in a large format (big box) store or
smaller format (neighborhood) store, customers often require
assistance that employees of the store are not always able to
provide. For example, particularly during peak hours, there may not
be enough employees available to assist customers such that
customer questions go unanswered. Additionally, due to high
employee turnover rates, available employees may not be fully
trained or have access to information to adequately support
customers. Other routine tasks also are difficult to keep up with,
particularly during peak hours. For example, shopping carts are
left abandoned, aisles become messy, inventory is not displayed in
the proper locations or is not even placed on the sales floor,
shelf prices may not be properly set, and theft is hard to
discourage. All of these issues can result in low customer
satisfaction or reduced convenience to the customer. With
increasing competition from non-traditional shopping mechanisms,
such as online shopping provided by e-commerce merchants and
alternative store formats, it can be important for "brick and
mortar" retailers to focus on improving the overall customer
experience and/or convenience.
BRIEF DESCRIPTION OF THE DRAWINGS
[0004] The above needs are at least partially met through provision
of embodiments of systems, devices, and methods designed to provide
assistance to customers and/or workers in a shopping facility, such
as described in the following detailed description, particularly
when studied in conjunction with the drawings, wherein:
[0005] FIG. 1 comprises a block diagram of a shopping assistance
system as configured in accordance with various embodiments of
these teachings;
[0006] FIGS. 2A and 2B are illustrations of a motorized transport
unit of the system of FIG. 1 in a retracted orientation and an
extended orientation in accordance with some embodiments;
[0007] FIGS. 3A and 3B are illustrations of the motorized transport
unit of FIGS. 2A and 2B detachably coupling to a movable item
container, such as a shopping cart, in accordance with some
embodiments;
[0008] FIG. 4 comprises a block diagram of a motorized transport
unit as configured in accordance with various embodiments of these
teachings;
[0009] FIG. 5 comprises a block diagram of a computer device as
configured in accordance with various embodiments of these
teachings;
[0010] FIG. 6 shows a simplified flow diagram of an exemplary
process of implementing an override of a motorized transport unit,
in accordance with some embodiments.
[0011] Elements in the figures are illustrated for simplicity and
clarity and have not necessarily been drawn to scale. For example,
the dimensions and/or relative positioning of some of the elements
in the figures may be exaggerated relative to other elements to
help to improve understanding of various embodiments of the present
teachings. Also, common but well-understood elements that are
useful or necessary in a commercially feasible embodiment are often
not depicted in order to facilitate a less obstructed view of these
various embodiments of the present teachings. Certain actions
and/or steps may be described or depicted in a particular order of
occurrence while those skilled in the art will understand that such
specificity with respect to sequence is not actually required. The
terms and expressions used herein have the ordinary technical
meaning as is accorded to such terms and expressions by persons
skilled in the technical field as set forth above except where
different specific meanings have otherwise been set forth
herein.
DETAILED DESCRIPTION
[0012] The following description is not to be taken in a limiting
sense, but is made merely for the purpose of describing the general
principles of exemplary embodiments. Reference throughout this
specification to "one embodiment," "an embodiment," or similar
language means that a particular feature, structure, or
characteristic described in connection with the embodiment is
included in at least one embodiment of the present invention. Thus,
appearances of the phrases "in one embodiment," "in an embodiment,"
and similar language throughout this specification may, but do not
necessarily, all refer to the same embodiment.
[0013] Generally speaking, pursuant to various embodiments,
systems, devices and methods are provided for assistance of persons
at a shopping facility. Generally, assistance may be provided to
customers or shoppers at the facility and/or to workers at the
facility. The facility may be any type of shopping facility at a
location in which products for display and/or for sale are
variously distributed throughout the shopping facility space. The
shopping facility may be a retail sales facility, or any other type
of facility in which products are displayed and/or sold. The
shopping facility may include one or more of sales floor areas,
checkout locations, parking locations, entrance and exit areas,
stock room areas, stock receiving areas, hallway areas, common
areas shared by merchants, and so on. Generally, a shopping
facility includes areas that may be dynamic in terms of the
physical structures occupying the space or area and objects, items,
machinery and/or persons moving in the area. For example, the
shopping area may include product storage units, shelves, racks,
modules, bins, etc., and other walls, dividers, partitions, etc.
that may be configured in different layouts or physical
arrangements. In other examples, persons or other movable objects
may be freely and independently traveling through the shopping
facility space. And in other examples, the persons or movable
objects move according to known travel patterns and timing. The
facility may be any size of format facility, and may include
products from one or more merchants. For example, a facility may be
a single store operated by one merchant or may be a collection of
stores covering multiple merchants such as a mall. Generally, the
system makes use of automated, robotic mobile devices, e.g.,
motorized transport units, that are capable of self-powered
movement through a space of the shopping facility and providing any
number of functions. Movement and operation of such devices may be
controlled by a central computer system or may be autonomously
controlled by the motorized transport units themselves. Various
embodiments provide one or more user interfaces to allow various
users to interact with the system including the automated mobile
devices and/or to directly interact with the automated mobile
devices. In some embodiments, the automated mobile devices and the
corresponding system serve to enhance a customer shopping
experience in the shopping facility, e.g., by assisting shoppers
and/or workers at the facility.
[0014] In some embodiments, a shopping facility personal assistance
system comprises: a plurality of motorized transport units located
in and configured to move through a shopping facility space; a
plurality of user interface units, each corresponding to a
respective motorized transport unit during use of the respective
motorized transport unit; and a central computer system having a
network interface such that the central computer system wirelessly
communicates with one or both of the plurality of motorized
transport units and the plurality of user interface units, wherein
the central computer system is configured to control movement of
the plurality of motorized transport units through the shopping
facility space based at least on inputs from the plurality of user
interface units.
[0015] System Overview
[0016] Referring now to the drawings, FIG. 1 illustrates
embodiments of a shopping facility assistance system 100 that can
serve to carry out at least some of the teachings set forth herein.
It will be understood that the details of this example are intended
to serve in an illustrative capacity and are not necessarily
intended to suggest any limitations as regards the present
teachings. It is noted that generally, FIGS. 1-5 describe the
general functionality of several embodiments of a system, and FIG.
6 expands on some functionalities of some embodiments of the system
and/or embodiments independent of such systems.
[0017] In the example of FIG. 1, a shopping assistance system 100
is implemented in whole or in part at a shopping facility 101.
Generally, the system 100 includes one or more motorized transport
units (MTUs) 102; one or more item containers 104; a central
computer system 106 having at least one control circuit 108, at
least one memory 110 and at least one network interface 112; at
least one user interface unit 114; a location determination system
116; at least one video camera 118; at least one motorized
transport unit (MTU) dispenser 120; at least one motorized
transport unit (MTU) docking station 122; at least one wireless
network 124; at least one database 126; at least one user interface
computer device 128; an item display module 130; and a locker or an
item storage unit 132. It is understood that more or fewer of such
components may be included in different embodiments of the system
100.
[0018] These motorized transport units 102 are located in the
shopping facility 101 and are configured to move throughout the
shopping facility space. Further details regarding such motorized
transport units 102 appear further below. Generally speaking, these
motorized transport units 102 are configured to either comprise, or
to selectively couple to, a corresponding movable item container
104. A simple example of an item container 104 would be a shopping
cart as one typically finds at many retail facilities, or a rocket
cart, a flatbed cart or any other mobile basket or platform that
may be used to gather items for potential purchase.
[0019] In some embodiments, these motorized transport units 102
wirelessly communicate with, and are wholly or largely controlled
by, the central computer system 106. In particular, in some
embodiments, the central computer system 106 is configured to
control movement of the motorized transport units 102 through the
shopping facility space based on a variety of inputs. For example,
the central computer system 106 communicates with each motorized
transport unit 102 via the wireless network 124 which may be one or
more wireless networks of one or more wireless network types (such
as, a wireless local area network, a wireless personal area
network, a wireless mesh network, a wireless star network, a
wireless wide area network, a cellular network, and so on), capable
of providing wireless coverage of the desired range of the
motorized transport units 102 according to any known wireless
protocols, including but not limited to a cellular, Wi-Fi, Zigbee
or Bluetooth network.
[0020] By one approach the central computer system 106 is a
computer based device and includes at least one control circuit
108, at least one memory 110 and at least one wired and/or wireless
network interface 112. Such a control circuit 108 can comprise a
fixed-purpose hard-wired platform or can comprise a partially or
wholly programmable platform, such as a microcontroller, an
application specification integrated circuit, a field programmable
gate array, and so on. These architectural options are well known
and understood in the art and require no further description here.
This control circuit 108 is configured (for example, by using
corresponding programming stored in the memory 110 as will be well
understood by those skilled in the art) to carry out one or more of
the steps, actions, and/or functions described herein.
[0021] In this illustrative example the control circuit 108
operably couples to one or more memories 110. The memory 110 may be
integral to the control circuit 108 or can be physically discrete
(in whole or in part) from the control circuit 108 as desired. This
memory 110 can also be local with respect to the control circuit
108 (where, for example, both share a common circuit board,
chassis, power supply, and/or housing) or can be partially or
wholly remote with respect to the control circuit 108 (where, for
example, the memory 110 is physically located in another facility,
metropolitan area, or even country as compared to the control
circuit 108).
[0022] This memory 110 can serve, for example, to non-transitorily
store the computer instructions that, when executed by the control
circuit 108, cause the control circuit 108 to behave as described
herein. (As used herein, this reference to "non-transitorily" will
be understood to refer to a non-ephemeral state for the stored
contents (and hence excludes when the stored contents merely
constitute signals or waves) rather than volatility of the storage
media itself and hence includes both non-volatile memory (such as
read-only memory (ROM) as well as volatile memory (such as an
erasable programmable read-only memory (EPROM).)
[0023] Additionally, at least one database 126 may be accessible by
the central computer system 106. Such databases may be integrated
into the central computer system 106 or separate from it. Such
databases may be at the location of the shopping facility 101 or
remote from the shopping facility 101. Regardless of location, the
databases comprise memory to store and organize certain data for
use by the central control system 106. In some embodiments, the at
least one database 126 may store data pertaining to one or more of:
shopping facility mapping data, customer data, customer shopping
data and patterns, inventory data, product pricing data, and so
on.
[0024] In this illustrative example, the central computer system
106 also wirelessly communicates with a plurality of user interface
units 114. These teachings will accommodate a variety of user
interface units including, but not limited to, mobile and/or
handheld electronic devices such as so-called smart phones and
portable computers such as tablet/pad-styled computers. Generally
speaking, these user interface units 114 should be able to
wirelessly communicate with the central computer system 106 via a
wireless network, such as the wireless network 124 of the shopping
facility 101 (such as a Wi-Fi wireless network). These user
interface units 114 generally provide a user interface for
interaction with the system. In some embodiments, a given motorized
transport unit 102 is paired with, associated with, assigned to or
otherwise made to correspond with a given user interface unit 114.
In some embodiments, these user interface units 114 should also be
able to receive verbally-expressed input from a user and forward
that content to the central computer system 106 or a motorized
transport unit 102 and/or convert that verbally-expressed input
into a form useful to the central computer system 106 or a
motorized transport unit 102.
[0025] By one approach at least some of the user interface units
114 belong to corresponding customers who have come to the shopping
facility 101 to shop. By another approach, in lieu of the foregoing
or in combination therewith, at least some of the user interface
units 114 belong to the shopping facility 101 and are loaned to
individual customers to employ as described herein. In some
embodiments, one or more user interface units 114 are attachable to
a given movable item container 104 or are integrated with the
movable item container 104. Similarly, in some embodiments, one or
more user interface units 114 may be those of shopping facility
workers, belong to the shopping facility 101 and are loaned to the
workers, or a combination thereof.
[0026] In some embodiments, the user interface units 114 may be
general purpose computer devices that include computer programming
code to allow it to interact with the system 106. For example, such
programming may be in the form of an application installed on the
user interface unit 114 or in the form of a browser that displays a
user interface provided by the central computer system 106 or other
remote computer or server (such as a web server). In some
embodiments, one or more user interface units 114 may be special
purpose devices that are programmed to primarily function as a user
interface for the system 100. Depending on the functionality and
use case, user interface units 114 may be operated by customers of
the shopping facility or may be operated by workers at the shopping
facility, such as facility employees (associates or colleagues),
vendors, suppliers, contractors, etc.
[0027] By one approach, the system 100 optionally includes one or
more video cameras 118. Captured video imagery from such a video
camera 118 can be provided to the central computer system 106. That
information can then serve, for example, to help the central
computer system 106 determine a present location of one or more of
the motorized transport units 102 and/or determine issues or
concerns regarding automated movement of those motorized transport
units 102 in the shopping facility space. As one simple example in
these regards, such video information can permit the central
computer system 106, at least in part, to detect an object in a
path of movement of a particular one of the motorized transport
units 102.
[0028] By one approach these video cameras 118 comprise existing
surveillance equipment employed at the shopping facility 101 to
serve, for example, various security purposes. By another approach
these video cameras 118 are dedicated to providing video content to
the central computer system 106 to facilitate the latter's control
of the motorized transport units 102. If desired, the video cameras
118 can have a selectively movable field of view and/or zoom
capability that the central computer system 106 controls as
appropriate to help ensure receipt of useful information at any
given moment.
[0029] In some embodiments, a location detection system 116 is
provided at the shopping facility 101. The location detection
system 116 provides input to the central computer system 106 useful
to help determine the location of one or more of the motorized
transport units 102. In some embodiments, the location detection
system 116 includes a series of light sources (e.g., LEDs
(light-emitting diodes)) that are mounted in the ceiling at known
positions throughout the space and that each encode data in the
emitted light that identifies the source of the light (and thus,
the location of the light). As a given motorized transport unit 102
moves through the space, light sensors (or light receivers) at the
motorized transport unit 102, on the movable item container 104
and/or at the user interface unit 114 receive the light and can
decode the data. This data is sent back to the central computer
system 106 which can determine the position of the motorized
transport unit 102 by the data of the light it receives, since it
can relate the light data to a mapping of the light sources to
locations at the facility 101. Generally, such lighting systems are
known and commercially available, e.g., the ByteLight system from
ByteLight of Boston, Mass. In embodiments using a ByteLight system,
a typical display screen of the typical smart phone device can be
used as a light sensor or light receiver to receive and process
data encoded into the light from the ByteLight light sources.
[0030] In other embodiments, the location detection system 116
includes a series of low energy radio beacons (e.g., Bluetooth low
energy beacons) at known positions throughout the space and that
each encode data in the emitted radio signal that identifies the
beacon (and thus, the location of the beacon). As a given motorized
transport unit 102 moves through the space, low energy receivers at
the motorized transport unit 102, on the movable item container 104
and/or at the user interface unit 114 receive the radio signal and
can decode the data. This data is sent back to the central computer
system 106 which can determine the position of the motorized
transport unit 102 by the location encoded in the radio signal it
receives, since it can relate the location data to a mapping of the
low energy radio beacons to locations at the facility 101.
Generally, such low energy radio systems are known and commercially
available. In embodiments using a Bluetooth low energy radio
system, a typical Bluetooth radio of a typical smart phone device
can be used as a receiver to receive and process data encoded into
the Bluetooth low energy radio signals from the Bluetooth low
energy beacons.
[0031] In still other embodiments, the location detection system
116 includes a series of audio beacons at known positions
throughout the space and that each encode data in the emitted audio
signal that identifies the beacon (and thus, the location of the
beacon). As a given motorized transport unit 102 moves through the
space, microphones at the motorized transport unit 102, on the
movable item container 104 and/or at the user interface unit 114
receive the audio signal and can decode the data. This data is sent
back to the central computer system 106 which can determine the
position of the motorized transport unit 102 by the location
encoded in the audio signal it receives, since it can relate the
location data to a mapping of the audio beacons to locations at the
facility 101. Generally, such audio beacon systems are known and
commercially available. In embodiments using an audio beacon
system, a typical microphone of a typical smart phone device can be
used as a receiver to receive and process data encoded into the
audio signals from the audio beacon.
[0032] Also optionally, the central computer system 106 can
operably couple to one or more user interface computers 128
(comprising, for example, a display and a user input interface such
as a keyboard, touch screen, and/or cursor-movement device). Such a
user interface computer 128 can permit, for example, a worker
(e.g., an associate, analyst, etc.) at the retail or shopping
facility 101 to monitor the operations of the central computer
system 106 and/or to attend to any of a variety of administrative,
configuration or evaluation tasks as may correspond to the
programming and operation of the central computer system 106. Such
user interface computers 128 may be at or remote from the location
of the facility 101 and may access one or more the databases
126.
[0033] In some embodiments, the system 100 includes at least one
motorized transport unit (MTU) storage unit or dispenser 120 at
various locations in the shopping facility 101. The dispenser 120
provides for storage of motorized transport units 102 that are
ready to be assigned to customers and/or workers. In some
embodiments, the dispenser 120 takes the form of a cylinder within
which motorized transports units 102 are stacked and released
through the bottom of the dispenser 120. Further details of such
embodiments are provided further below. In some embodiments, the
dispenser 120 may be fixed in location or may be mobile and capable
of transporting itself to a given location or utilizing a motorized
transport unit 102 to transport the dispenser 120, then dispense
one or more motorized transport units 102.
[0034] In some embodiments, the system 100 includes at least one
motorized transport unit (MTU) docking station 122. These docking
stations 122 provide locations where motorized transport units 102
can travel and connect to. For example, the motorized transport
units 102 may be stored and charged at the docking station 122 for
later use, and/or may be serviced at the docking station 122.
[0035] In accordance with some embodiments, a given motorized
transport unit 102 detachably connects to a movable item container
104 and is configured to move the movable item container 104
through the shopping facility space under control of the central
computer system 106 and/or the user interface unit 114. For
example, a motorized transport unit 102 can move to a position
underneath a movable item container 104 (such as a shopping cart, a
rocket cart, a flatbed cart, or any other mobile basket or
platform), align itself with the movable item container 104 (e.g.,
using sensors) and then raise itself to engage an undersurface of
the movable item container 104 and lift a portion of the movable
item container 104. Once the motorized transport unit is
cooperating with the movable item container 104 (e.g., lifting a
portion of the movable item container), the motorized transport
unit 102 can continue to move throughout the facility space 101
taking the movable item container 104 with it. In some examples,
the motorized transport unit 102 takes the form of the motorized
transport unit 202 of FIGS. 2A-3B as it engages and detachably
connects to a given movable item container 104. It is understood
that in other embodiments, the motorized transport unit 102 may not
lift a portion of the movable item container 104, but that it
removably latches to, connects to or otherwise attaches to a
portion of the movable item container 104 such that the movable
item container 104 can be moved by the motorized transport unit
102. For example, the motorized transport unit 102 can connect to a
given movable item container using a hook, a mating connector, a
magnet, and so on.
[0036] In addition to detachably coupling to movable item
containers 104 (such as shopping carts), in some embodiments,
motorized transport units 102 can move to and engage or connect to
an item display module 130 and/or an item storage unit or locker
132. For example, an item display module 130 may take the form of a
mobile display rack or shelving unit configured to house and
display certain items for sale. It may be desired to position the
display module 130 at various locations within the shopping
facility 101 at various times. Thus, one or more motorized
transport units 102 may move (as controlled by the central computer
system 106) underneath the item display module 130, extend upward
to lift the module 130 and then move it to the desired location. A
storage locker 132 may be a storage device where items for purchase
are collected and placed therein for a customer and/or worker to
later retrieve. In some embodiments, one or more motorized
transport units 102 may be used to move the storage locker to a
desired location in the shopping facility 101. Similar to how a
motorized transport unit engages a movable item container 104 or
item display module 130, one or more motorized transport units 102
may move (as controlled by the central computer system 106)
underneath the storage locker 132, extend upward to lift the locker
132 and then move it to the desired location.
[0037] FIGS. 2A and 2B illustrate some embodiments of a motorized
transport unit 202, similar to the motorized transport unit 102
shown in the system of FIG. 1. In this embodiment, the motorized
transport unit 202 takes the form of a disc-shaped robotic device
having motorized wheels (not shown), a lower body portion 204 and
an upper body portion 206 that fits over at least part of the lower
body portion 204. It is noted that in other embodiments, the
motorized transport unit may have other shapes and/or
configurations, and is not limited to disc-shaped. For example, the
motorized transport unit may be cubic, octagonal, triangular, or
other shapes, and may be dependent on a movable item container with
which the motorized transport unit is intended to cooperate. Also
included are guide members 208. In FIG. 2A, the motorized transport
unit 202 is shown in a retracted position in which the upper body
portion 206 fits over the lower body portion 204 such that the
motorized transport unit 202 is in its lowest profile orientation
which is generally the preferred orientation for movement when it
is unattached to a movable item container 104 for example. In FIG.
2B, the motorized transport unit 202 is shown in an extended
position in which the upper body portion 206 is moved upward
relative to the lower body portion 204 such that the motorized
transport unit 202 is in its highest profile orientation for
movement when it is lifting and attaching to a movable item
container 104 for example. The mechanism within the motorized
transport unit 202 is designed to provide sufficient lifting force
to lift the weight of the upper body portion 206 and other objects
to be lifted by the motorized transport unit 202, such as movable
item containers 104 and items placed within the movable item
container, item display modules 130 and items supported by the item
display module, and storage lockers 132 and items placed within the
storage locker. The guide members 208 are embodied as pegs or
shafts that extend horizontally from the both the upper body
portion 206 and the lower body portion 204. In some embodiments,
these guide members 208 assist docking the motorized transport unit
202 to a docking station 122 or a dispenser 120. In some
embodiments, the lower body portion 204 and the upper body portion
are capable to moving independently of each other. For example, the
upper body portion 206 may be raised and/or rotated relative to the
lower body portion 204. That is, one or both of the upper body
portion 206 and the lower body portion 204 may move toward/away
from the other or rotated relative to the other. In some
embodiments, in order to raise the upper body portion 206 relative
to the lower body portion 204, the motorized transport unit 202
includes an internal lifting system (e.g., including one or more
electric actuators or rotary drives or motors). Numerous examples
of such motorized lifting and rotating systems are known in the
art. Accordingly, further elaboration in these regards is not
provided here for the sake of brevity.
[0038] FIGS. 3A and 3B illustrate some embodiments of the motorized
transport unit 202 detachably engaging a movable item container
embodied as a shopping cart 302. In FIG. 3A, the motorized
transport unit 202 is in the orientation of FIG. 2A such that it is
retracted and able to move in position underneath a portion of the
shopping cart 302. Once the motorized transport unit 202 is in
position (e.g., using sensors), as illustrated in FIG. 3B, the
motorized transport unit 202 is moved to the extended position of
FIG. 2B such that the front portion 304 of the shopping cart is
lifted off of the ground by the motorized transport unit 202, with
the wheels 306 at the rear of the shopping cart 302 remaining on
the ground. In this orientation, the motorized transport unit 202
is able to move the shopping cart 302 throughout the shopping
facility. It is noted that in these embodiments, the motorized
transport unit 202 does not bear the weight of the entire cart 302
since the rear wheels 306 rest on the floor. It is understood that
in some embodiments, the motorized transport unit 202 may be
configured to detachably engage other types of movable item
containers, such as rocket carts, flatbed carts or other mobile
baskets or platforms.
[0039] FIG. 4 presents a more detailed example of some embodiments
of the motorized transport unit 102 of FIG. 1. In this example, the
motorized transport unit 102 has a housing 402 that contains
(partially or fully) or at least supports and carries a number of
components. These components include a control unit 404 comprising
a control circuit 406 that, like the control circuit 108 of the
central computer system 106, controls the general operations of the
motorized transport unit 102. Accordingly, the control unit 404
also includes a memory 408 coupled to the control circuit 406 and
that stores, for example, operating instructions and/or useful
data.
[0040] The control circuit 406 operably couples to a motorized
wheel system 410. This motorized wheel system 410 functions as a
locomotion system to permit the motorized transport unit 102 to
move within the aforementioned retail or shopping facility 101
(thus, the motorized wheel system 410 may more generically be
referred to as a locomotion system). Generally speaking, this
motorized wheel system 410 will include at least one drive wheel
(i.e., a wheel that rotates (around a horizontal axis) under power
to thereby cause the motorized transport unit 102 to move through
interaction with, for example, the floor of the shopping facility
101). The motorized wheel system 410 can include any number of
rotating wheels and/or other floor-contacting mechanisms as may be
desired and/or appropriate to the application setting.
[0041] The motorized wheel system 410 also includes a steering
mechanism of choice. One simple example in these regards comprises
one or more of the aforementioned wheels that can swivel about a
vertical axis to thereby cause the moving motorized transport unit
102 to turn as well.
[0042] Numerous examples of motorized wheel systems are known in
the art. Accordingly, further elaboration in these regards is not
provided here for the sake of brevity save to note that the
aforementioned control circuit 406 is configured to control the
various operating states of the motorized wheel system 410 to
thereby control when and how the motorized wheel system 410
operates.
[0043] In this illustrative example, the control circuit 406 also
operably couples to at least one wireless transceiver 412 that
operates according to any known wireless protocol. This wireless
transceiver 412 can comprise, for example, a Wi-Fi-compatible
and/or Bluetooth-compatible transceiver that can communicate with
the aforementioned central computer system 106 via the
aforementioned wireless network 124 of the shopping facility 101.
So configured the control circuit 406 of the motorized transport
unit 102 can provide information to the central computer system 106
and can receive information and/or instructions from the central
computer system 106. As one simple example in these regards, the
control circuit 406 can receive instructions from the central
computer system 106 regarding movement of the motorized transport
unit 102.
[0044] These teachings will accommodate using any of a wide variety
of wireless technologies as desired and/or as may be appropriate in
a given application setting. These teachings will also accommodate
employing two or more different wireless transceivers 412 if
desired.
[0045] The control circuit 406 also couples to one or more on-board
sensors 414. These teachings will accommodate a wide variety of
sensor technologies and form factors. By one approach at least one
such sensor 414 can comprise a light sensor or light receiver. When
the aforementioned location detection system 116 comprises a
plurality of light emitters disposed at particular locations within
the shopping facility 101, such a light sensor can provide
information that the control circuit 406 and/or the central
computer system 106 employs to determine a present location and/or
orientation of the motorized transport unit 102.
[0046] As another example, such a sensor 414 can comprise a
distance measurement unit configured to detect a distance between
the motorized transport unit 102 and one or more objects or
surfaces around the motorized transport unit 102 (such as an object
that lies in a projected path of movement for the motorized
transport unit 102 through the shopping facility 101). These
teachings will accommodate any of a variety of distance measurement
units including optical units and sound/ultrasound units. In one
example, a sensor 414 comprises a laser distance sensor device
capable of determining a distance to objects in proximity to the
sensor. In some embodiments, a sensor 414 comprises an optical
based scanning device to sense and read optical patterns in
proximity to the sensor, such as bar codes variously located on
structures in the shopping facility 101. In some embodiments, a
sensor 414 comprises a radio frequency identification (RFID) tag
reader capable of reading RFID tags in proximity to the sensor.
Such sensors may be useful to determine proximity to nearby
objects, avoid collisions, orient the motorized transport unit at a
proper alignment orientation to engage a movable item container,
and so on.
[0047] The foregoing examples are intended to be illustrative and
are not intended to convey an exhaustive listing of all possible
sensors. Instead, it will be understood that these teachings will
accommodate sensing any of a wide variety of circumstances or
phenomena to support the operating functionality of the motorized
transport unit 102 in a given application setting.
[0048] By one optional approach an audio input 416 (such as a
microphone) and/or an audio output 418 (such as a speaker) can also
operably couple to the control circuit 406. So configured the
control circuit 406 can provide a variety of audible sounds to
thereby communicate with a user of the motorized transport unit
102, other persons in the vicinity of the motorized transport unit
102, or even other motorized transport units 102 in the area. These
audible sounds can include any of a variety of tones and other
non-verbal sounds. These audible sounds can also include, in lieu
of the foregoing or in combination therewith, pre-recorded or
synthesized speech.
[0049] The audio input 416, in turn, provides a mechanism whereby,
for example, a user provides verbal input to the control circuit
406. That verbal input can comprise, for example, instructions,
inquiries, or information. So configured, a user can provide, for
example, a question to the motorized transport unit 102 (such as,
"Where are the towels?"). The control circuit 406 can cause that
verbalized question to be transmitted to the central computer
system 106 via the motorized transport unit's wireless transceiver
412. The central computer system 106 can process that verbal input
to recognize the speech content and to then determine an
appropriate response. That response might comprise, for example,
transmitting back to the motorized transport unit 102 specific
instructions regarding how to move the motorized transport unit 102
(via the aforementioned motorized wheel system 410) to the location
in the shopping facility 101 where the towels are displayed.
[0050] In this example the motorized transport unit 102 includes a
rechargeable power source 420 such as one or more batteries. The
power provided by the rechargeable power source 420 can be made
available to whichever components of the motorized transport unit
102 require electrical energy. By one approach the motorized
transport unit 102 includes a plug or other electrically conductive
interface that the control circuit 406 can utilize to automatically
connect to an external source of electrical energy to thereby
recharge the rechargeable power source 420.
[0051] By one approach the motorized transport unit 102 comprises
an integral part of a movable item container 104 such as a grocery
cart. As used herein, this reference to "integral" will be
understood to refer to a non-temporary combination and joinder that
is sufficiently complete so as to consider the combined elements to
be as one. Such a joinder can be facilitated in a number of ways
including by securing the motorized transport unit housing 402 to
the item container using bolts or other threaded fasteners as
versus, for example, a clip.
[0052] These teachings will also accommodate selectively and
temporarily attaching the motorized transport unit 102 to an item
container 104. In such a case the motorized transport unit 102 can
include a movable item container coupling structure 422. By one
approach this movable item container coupling structure 422
operably couples to a control circuit 202 to thereby permit the
latter to control, for example, the latched and unlatched states of
the movable item container coupling structure 422. So configured,
by one approach the control circuit 406 can automatically and
selectively move the motorized transport unit 102 (via the
motorized wheel system 410) towards a particular item container
until the movable item container coupling structure 422 can engage
the item container to thereby temporarily physically couple the
motorized transport unit 102 to the item container. So latched, the
motorized transport unit 102 can then cause the item container to
move with the motorized transport unit 102. In embodiments such as
illustrated in FIGS. 2A-3B, the movable item container coupling
structure 422 includes a lifting system (e.g., including an
electric drive or motor) to cause a portion of the body or housing
402 to engage and lift a portion of the item container off of the
ground such that the motorized transport unit 102 can carry a
portion of the item container. In other embodiments, the movable
transport unit latches to a portion of the movable item container
without lifting a portion thereof off of the ground.
[0053] In either case, by combining the motorized transport unit
102 with an item container, and by controlling movement of the
motorized transport unit 102 via the aforementioned central
computer system 106, these teachings will facilitate a wide variety
of useful ways to assist both customers and associates in a
shopping facility setting. For example, the motorized transport
unit 102 can be configured to follow a particular customer as they
shop within the shopping facility 101. The customer can then place
items they intend to purchase into the item container that is
associated with the motorized transport unit 102.
[0054] In some embodiments, the motorized transport unit 102
includes an input/output (I/O) device 424 that is coupled to the
control circuit 406. The I/O device 424 allows an external device
to couple to the control unit 404. The function and purpose of
connecting devices will depend on the application. In some
examples, devices connecting to the I/O device 424 may add
functionality to the control unit 404, allow the exporting of data
from the control unit 404, allow the diagnosing of the motorized
transport unit 102, and so on.
[0055] In some embodiments, the motorized transport unit 102
includes a user interface 426 including for example, user inputs
and/or user outputs or displays depending on the intended
interaction with the user. For example, user inputs could include
any input device such as buttons, knobs, switches, touch sensitive
surfaces or display screens, and so on. Example user outputs
include lights, display screens, and so on. The user interface 426
may work together with or separate from any user interface
implemented at a user interface unit 114 (such as a smart phone or
tablet device).
[0056] The control unit 404 includes a memory 408 coupled to the
control circuit 406 and that stores, for example, operating
instructions and/or useful data. The control circuit 406 can
comprise a fixed-purpose hard-wired platform or can comprise a
partially or wholly programmable platform. These architectural
options are well known and understood in the art and require no
further description here. This control circuit 406 is configured
(for example, by using corresponding programming stored in the
memory 408 as will be well understood by those skilled in the art)
to carry out one or more of the steps, actions, and/or functions
described herein. The memory 408 may be integral to the control
circuit 406 or can be physically discrete (in whole or in part)
from the control circuit 406 as desired. This memory 408 can also
be local with respect to the control circuit 406 (where, for
example, both share a common circuit board, chassis, power supply,
and/or housing) or can be partially or wholly remote with respect
to the control circuit 406. This memory 408 can serve, for example,
to non-transitorily store the computer instructions that, when
executed by the control circuit 406, cause the control circuit 406
to behave as described herein. (As used herein, this reference to
"non-transitorily" will be understood to refer to a non-ephemeral
state for the stored contents (and hence excludes when the stored
contents merely constitute signals or waves) rather than volatility
of the storage media itself and hence includes both non-volatile
memory (such as read-only memory (ROM) as well as volatile memory
(such as an erasable programmable read-only memory (EPROM).)
[0057] It is noted that not all components illustrated in FIG. 4
are included in all embodiments of the motorized transport unit
102. That is, some components may be optional depending on the
implementation.
[0058] FIG. 5 illustrates a functional block diagram that may
generally represent any number of various electronic components of
the system 100 that are computer type devices. The computer device
500 includes a control circuit 502, a memory 504, a user interface
506 and an input/output (I/O) interface 508 providing any type of
wired and/or wireless connectivity to the computer device 500, all
coupled to a communication bus 510 to allow data and signaling to
pass therebetween. Generally, the control circuit 502 and the
memory 504 may be referred to as a control unit. The control
circuit 502, the memory 504, the user interface 506 and the I/O
interface 508 may be any of the devices described herein or as
understood in the art. The functionality of the computer device 500
will depend on the programming stored in the memory 504. The
computer device 500 may represent a high level diagram for one or
more of the central computer system 106, the motorized transport
unit 102, the user interface unit 114, the location detection
system 116, the user interface computer 128, the MTU docking
station 122 and the MTU dispenser 120, or any other device or
component in the system that is implemented as a computer
device.
[0059] Additional Features Overview
[0060] Referring generally to FIGS. 1-5, the shopping assistance
system 100 may implement one or more of several different features
depending on the configuration of the system and its components.
The following provides a brief description of several additional
features that could be implemented by the system. One or more of
these features could also be implemented in other systems separate
from embodiments of the system. This is not meant to be an
exhaustive description of all features and not meant to be an
exhaustive description of the details any one of the features.
Further details with regards to one or more features beyond this
overview may be provided herein.
[0061] Tagalong Steering: This feature allows a given motorized
transport unit 102 to lead or follow a user (e.g., a customer
and/or a worker) throughout the shopping facility 101. For example,
the central computer system 106 uses the location detection system
116 to determine the location of the motorized transport unit 102.
For example, LED smart lights (e.g., the ByteLight system) of the
location detection system 116 transmit a location number to smart
devices which are with the customer (e.g., user interface units
114), and/or on the item container 104/motorized transport unit
102. The central computer system 106 receives the LED location
numbers received by the smart devices through the wireless network
124. Using this information, in some embodiments, the central
computer system 106 uses a grid placed upon a 2D CAD map and 3D
point cloud model (e.g., from the databases 126) to direct, track,
and plot paths for the other devices. Using the grid, the motorized
transport unit 102 can drive a movable item container 104 in a
straight path rather than zigzagging around the facility. As the
user moves from one grid to another, the motorized transport unit
102 drives the container 104 from one grid to the other. In some
embodiments, as the user moves towards the motorized transport
unit, it stays still until the customer moves beyond an adjoining
grid.
[0062] Detecting Objects: In some embodiments, motorized transport
units 102 detect objects through several sensors mounted on
motorized transport unit 102, through independent cameras (e.g.,
video cameras 118), through sensors of a corresponding movable item
container 104, and through communications with the central computer
system 106. In some embodiments, with semi-autonomous capabilities,
the motorized transport unit 102 will attempt to avoid obstacles,
and if unable to avoid, it will notify the central computer system
106 of an exception condition. In some embodiments, using sensors
414 (such as distance measurement units, e.g., laser or other
optical-based distance measurement sensors), the motorized
transport unit 102 detects obstacles in its path, and will move to
avoid, or stop until the obstacle is clear.
[0063] Visual Remote Steering: This feature enables movement and/or
operation of a motorized transport unit 102 to be controlled by a
user on-site, off-site, or anywhere in the world. This is due to
the architecture of some embodiments where the central computer
system 106 outputs the control signals to the motorized transport
unit 102. These controls signals could have originated at any
device in communication with the central computer system 106. For
example, the movement signals sent to the motorized transport unit
102 may be movement instructions determined by the central computer
system 106; commands received at a user interface unit 114 from a
user; and commands received at the central computer system 106 from
a remote user not located at the shopping facility space.
[0064] Determining Location: Similar to that described above, this
feature enables the central computer system 106 to determine the
location of devices in the shopping facility 101. For example, the
central computer system 106 maps received LED light transmissions,
Bluetooth low energy radio signals or audio signals (or other
received signals encoded with location data) to a 2D map of the
shopping facility. Objects within the area of the shopping facility
are also mapped and associated with those transmissions. Using this
information, the central computer system 106 can determine the
location of devices such as motorized transport units.
[0065] Digital Physical Map Integration: In some embodiments, the
system 100 is capable of integrating 2D and 3D maps of the shopping
facility with physical locations of objects and workers. Once the
central computer system 106 maps all objects to specific locations
using algorithms, measurements and LED geo-location, for example,
grids are applied which sections off the maps into access ways and
blocked sections. Motorized transport units 102 use these grids for
navigation and recognition. In some cases, grids are applied to 2D
horizontal maps along with 3D models. In some cases, grids start at
a higher unit level and then can be broken down into smaller units
of measure by the central computer system 106 when needed to
provide more accuracy.
[0066] Calling a Motorized Transport Unit: This feature provides
multiple methods to request and schedule a motorized transport unit
102 for assistance in the shopping facility. In some embodiments,
users can request use of a motorized transport unit 102 through the
user interface unit 114. The central computer system 106 can check
to see if there is an available motorized transport unit. Once
assigned to a given user, other users will not be able to control
the already assigned transport unit. Workers, such as store
associates, may also reserve multiple motorized transport units in
order to accomplish a coordinated large job.
[0067] Locker Delivery: In some embodiments, one or more motorized
transport units 102 may be used to pick, pack, and deliver items to
a particular storage locker 132. The motorized transport units 102
can couple to and move the storage locker to a desired location. In
some embodiments, once delivered, the requestor will be notified
that the items are ready to be picked up, and will be provided the
locker location and locker security code key.
[0068] Route Optimization: In some embodiments, the central
computer system automatically generates a travel route for one or
more motorized transport units through the shopping facility space.
In some embodiments, this route is based on one or more of a user
provided list of items entered by the user via a user interface
unit 114; user selected route preferences entered by the user via
the user interface unit 114; user profile data received from a user
information database (e.g., from one of databases 126); and product
availability information from a retail inventory database (e.g.,
from one of databases 126). In some cases, the route intends to
minimize the time it takes to get through the facility, and in some
cases, may route the shopper to the least busy checkout area.
Frequently, there will be multiple possible optimum routes. The
route chosen may take the user by things the user is more likely to
purchase (in case they forgot something), and away from things they
are not likely to buy (to avoid embarrassment). That is, routing a
customer through sporting goods, women's lingerie, baby food, or
feminine products, who has never purchased such products based on
past customer behavior would be non-productive, and potentially
embarrassing to the customer. In some cases, a route may be
determined from multiple possible routes based on past shopping
behavior, e.g., if the customer typically buys a cold Diet Coke
product, children's shoes or power tools, this information would be
used to add weight to the best alternative routes, and determine
the route accordingly.
[0069] Store Facing Features: In some embodiments, these features
enable functions to support workers in performing store functions.
For example, the system can assist workers to know what products
and items are on the shelves and which ones need attention. For
example, using 3D scanning and point cloud measurements, the
central computer system can determine where products are supposed
to be, enabling workers to be alerted to facing or zoning of issues
along with potential inventory issues.
[0070] Phone Home: This feature allows users in a shopping facility
101 to be able to contact remote users who are not at the shopping
facility 101 and include them in the shopping experience. For
example, the user interface unit 114 may allow the user to place a
voice call, a video call, or send a text message. With video call
capabilities, a remote person can virtually accompany an in-store
shopper, visually sharing the shopping experience while seeing and
talking with the shopper. One or more remote shoppers may join the
experience.
[0071] Returns: In some embodiments, the central computer system
106 can task a motorized transport unit 102 to keep the returns
area clear of returned merchandise. For example, the transport unit
may be instructed to move a cart from the returns area to a
different department or area. Such commands may be initiated from
video analytics (the central computer system analyzing camera
footage showing a cart full), from an associate command (digital or
verbal), or on a schedule, as other priority tasks allow. The
motorized transport unit 102 can first bring an empty cart to the
returns area, prior to removing a full one.
[0072] Bring a Container: One or more motorized transport units can
retrieve a movable item container 104 (such as a shopping cart) to
use. For example, upon a customer or worker request, the motorized
transport unit 102 can re-position one or more item containers 104
from one location to another. In some cases, the system instructs
the motorized transport unit where to obtain an empty item
container for use. For example, the system can recognize an empty
and idle item container that has been abandoned or instruct that
one be retrieved from a cart storage area. In some cases, the call
to retrieve an item container may be initiated through a call
button placed throughout the facility, or through the interface of
a user interface unit 114.
[0073] Respond to Voice Commands: In some cases, control of a given
motorized transport unit is implemented through the acceptance of
voice commands. For example, the user may speak voice commands to
the motorized transport unit 102 itself and/or to the user
interface unit 114. In some embodiments, a voice print is used to
authorize to use of a motorized transport unit 102 to allow voice
commands from single user at a time.
[0074] Retrieve Abandoned Item Containers: This feature allows the
central computer system to track movement of movable item
containers in and around the area of the shopping facility 101,
including both the sale floor areas and the back-room areas. For
example, using visual recognition through store cameras 118 or
through user interface units 114, the central computer system 106
can identify abandoned and out-of-place movable item containers. In
some cases, each movable item container has a transmitter or smart
device which will send a unique identifier to facilitate tracking
or other tasks and its position using LED geo-location
identification. Using LED geo-location identification with the
Determining Location feature through smart devices on each cart,
the central computer system 106 can determine the length of time a
movable item container 104 is stationary.
[0075] Stocker Assistance: This feature allows the central computer
system to track movement of merchandise flow into and around the
back-room areas. For example, using visual recognition and captured
images, the central computer system 106 can determine if carts are
loaded or not for moving merchandise between the back room areas
and the sale floor areas. Tasks or alerts may be sent to workers to
assign tasks.
[0076] Self-Docking: Motorized transport units 102 will run low or
out of power when used. Before this happens, the motorized
transport units 102 need to recharge to stay in service. According
to this feature, motorized transport units 102 will self-dock and
recharge (e.g., at a MTU docking station 122) to stay at maximum
efficiency, when not in use. When use is completed, the motorized
transport unit 102 will return to a docking station 122. In some
cases, if the power is running low during use, a replacement
motorized transport unit can be assigned to move into position and
replace the motorized transport unit with low power. The transition
from one unit to the next can be seamless to the user.
[0077] Item Container Retrieval: With this feature, the central
computer system 106 can cause multiple motorized transport units
102 to retrieve abandoned item containers from exterior areas such
as parking lots. For example, multiple motorized transport units
are loaded into a movable dispenser, e.g., the motorized transport
units are vertically stacked in the dispenser. The dispenser is
moved to the exterior area and the transport units are dispensed.
Based on video analytics, it is determined which item containers
104 are abandoned and for how long. A transport unit will attach to
an abandoned cart and return it to a storage bay.
[0078] Motorized Transport Unit Dispenser: This feature provides
the movable dispenser that contains and moves a group of motorized
transport units to a given area (e.g., an exterior area such as a
parking lot) to be dispensed for use. For example, motorized
transport units can be moved to the parking lot to retrieve
abandoned item containers 104. In some cases, the interior of the
dispenser includes helically wound guide rails that mate with the
guide member 208 to allow the motorized transport units to be
guided to a position to be dispensed.
[0079] Specialized Module Retrieval: This feature allows the system
100 to track movement of merchandise flow into and around the sales
floor areas and the back-room areas including special modules that
may be needed to move to the sales floor. For example, using video
analytics, the system can determine if a modular unit it loaded or
empty. Such modular units may house items that are of seasonal or
temporary use on the sales floor. For example, when it is raining,
it is useful to move a module unit displaying umbrellas from a back
room area (or a lesser accessed area of the sales floor) to a
desired area of the sales floor area.
[0080] Authentication: This feature uses a voice imprint with an
attention code/word to authenticate a user to a given motorized
transport unit. One motorized transport unit can be swapped for
another using this authentication. For example, a token is used
during the session with the user. The token is a unique identifier
for the session which is dropped once the session is ended. A
logical token may be a session id used by the application of the
user interface unit 114 to establish the session id when user logs
on and when deciding to do use the system 100. In some embodiments,
communications throughout the session are encrypted using SSL or
other methods at transport level.
Further Details of Some Embodiments
[0081] In accordance with some embodiments, further details are now
provided for one or more of these and other features. Some
embodiments provide remote steering allowing a worker of the
shopping facility to override one or more actions, motions, control
or otherwise direct movement of one or more motorized transport
units. An authorized user can override a motorized transport unit,
including when the motorized transport unit is being directed to
support a customer, when it is performing a task assigned by the
central computer system, and other such conditions. Typically the
override supersedes operating limits of the motorized transport
units, such as but not limited to other task priorities,
instructions, certain sensors, geographical boundaries,
predetermined paths, other users, and the like. In some
embodiments, a shopping facility worker performing the override
does not need to be physically present, and can further receive
images and/or video from one or more cameras of the motorized
transport unit and/or the shopping facility cameras to see the area
proximate to and in some instances surrounding the motorized
transport unit. During the override, the authorized worker may
direct the motorized transport unit by submitting instructions
and/or requests through the central computer system. The central
computer system typically continues to maintain control over the
motorized transport unit and issue relevant instructions to be
performed by the motorized transport unit to cause the motorized
transport unit to make movements and perform tasks based on
instructions or requests received from the authorized worker. As
such, the override does not take control away from the central
computer system, but enables the worker to direct the motorized
transport unit through the central computer system. Directions
continue to be processed by the central computer system. Further,
in some implementation, the central computer system logs
instructions received from a worker, instructions or commands
issued to the motorized transport unit, location and/or information
corresponding to the motorized transport unit, and/or other such
information. Further still, the central computer system in some
embodiments is configured to allow an override of an override by a
worker with a higher authority.
[0082] FIG. 6 shows a simplified flow diagram of an exemplary
process 600 of implementing an override of a motorized transport
unit, in accordance with some embodiments. In step 602, one or more
override commands are received from a shopping facility worker
associated with the shopping facility, and/or one or more
instructions following an override command are received from the
worker. Typically, the override command is configured to cause a
motorized transport unit to implement one or more actions or tasks
that may exceed one or more operating limits or conditions. Such
operating limits can include, but are not limited to, a current
task being performed, task limits or restrictions (e.g., a
motorized transport unit may be assigned to implement a restricted
set of one or more tasks), one or more boundaries or other
geographical limits imposed on the motorized transport unit, one or
more sensor thresholds, or other such operating limits, or
combinations of two or more of such limits. As such, in some
embodiments, the central computer system identifies that the
override command will cause the motorized transport unit to exceed
one or more operating limits of the motorized transport unit.
[0083] In some implementations, the override command identifies a
specific motorized transport unit that is to be overridden (e.g.,
through a name, identification number, scan of a machine readable
code corresponding to and/or on the motorized transport unit, or
the like). In other instances, the override command is a request
that a motorized transport unit perform a task and the central
computer system identifies a relevant motorized transport unit and
implements the override of the selected motorized transport unit
(e.g., based on one or more of: a location of the task to be
performed, a location of the motorized transport unit, a location
of the motorized transport unit relative to the requested task, the
capabilities of a motorized transport unit, battery power level,
task being performed that is to be overridden, other such factors,
or a combination of two or more of such factors). Still further,
the override may cause an override of more than one motorized
transport unit, such as when it is determined that multiple
motorized transport units may be needed to perform the task (e.g.,
to move an object that is expected to exceed a weight capacity of a
single motorized transport unit, perform multiple different
instructions to implement the task, and the like).
[0084] In step 604, the central computer system confirms a valid
authorization of the worker to override one or more operating
limits of the first motorized transport unit. In some instances,
not every worker at a shopping facility is authorized to override a
motorized transport unit. Further, customers are often not
authorized to override a motorized transport unit. Accordingly, in
some embodiments the worker attempting to override the motorized
transport unit provides an authorization to the central computer
system (e.g., password, worker identifier, an RFID associated with
the worker (e.g., from a name tag), or the like), and/or the
central computer system acquires an authorization (e.g., based on
the worker logging into the central computer system, a user
interface unit, or the like; receiving an user interface unit
identifier from a user interface unit identifier associated with
the worker; or the like).
[0085] In some embodiments, the central computer system maintains a
database of workers and their corresponding authorization to
override one or more motorized transport units. The authorization
may be limited to certain types of motorized transport units,
limited to perform certain types of tasks, limited to certain times
of the day and/or night, limited to overriding motorized transport
units performing certain tasks while not being able to override
motorized transport units performing other tasks, or other such
limits, or a combination of two or more of such limits. Still
further, the authorization may further allow a worker to override a
customer, one or more other workers use of a motorized transport
unit, and/or override one or more workers that have implemented an
override of a motorized transport unit.
[0086] In step 606, the central computer system overrides the one
or more motorized transport units and the one or more operating
limits with one or more identified relevant instructions or
commands to implement the one or more actions, and communicates the
one or more instructions to the one or more motorized transport
units configured to cause the one or more motorized transport units
to implement the one or more actions in accordance with the
override command. Again, the override can include the override of a
current task being performed by the motorized transport unit. For
example, the motorized transport units are often configured to
cooperate with a movable item container to move the movable item
container through the shopping facility, such as when helping a
customer during a shopping experience. One or more issues may arise
when a shopping facility worker may need to override the task of
helping a customer. As such, the worker can implement the override
to take over from the customer and issue one or more commands or
requests to the central computer system. The central computer
system, upon confirming the worker's authority to implement the
override, identifies relevant commands to implement the one or more
worker requests and communicates those commands to one or more
motorized transport units in implementing the override. In some
instances when an override is activated, the motorized transport
unit may issue a notification, such as an audible notification
(e.g., "please excuse the disruption in service", an alarm, etc.),
display a notice on the user interface, or other notification.
Similarly, the central computer system may additionally or
alternatively issue a notification to one or more other devices,
such as one or more user interface units, movable item containers,
etc. The central computer system may implement other actions in
response to the override, such as instructing a second motorized
transport unit to replace the overridden motorized transport
unit.
[0087] The override may additional or alternatively override one or
more sensors of the motorized transport unit, a movable item
container, the shopping facility and/or other sensors. In some
embodiments, the central computer system identifies one or more
sensors on the motorized transport unit that detect one or more
conditions confirming that at least one of the one or more
operating limits are exceeded. Depending on the override task being
performed, the central computer system can be configured to
disregard sensor information detected by the identified one or more
sensors, which can include one or more thresholds being met or
exceeded, and received from the first motorized transport unit or
other devices (e.g., movable item container, user interface unit,
video camera of the shopping facility, etc.). The central computer
system can instead continue the override and continue to
communicate one or more instructions in contradiction to the sensor
information and/or threshold conditions.
[0088] For example, some motorized transport units may be
configured with a bump sensor that is activated in response to
detecting that the motorized transport unit has contacted another
object. Accordingly, one or more limits may be set that affect the
movement and/or operation of the motorized transport unit in
response to the bump sensor detecting contact with another object.
However, the implementation of the override may disregard the bump
sensor information and/or a worker may override this bump sensor
when the worker is utilizing the motorized transport unit, such as
using the motorized transport unit to push an object, maintain a
position of an object, or the like. Similarly, some motorized
transport units have distance sensors that measure one or more
distances between the motorized transport unit and external
objects. One or more distance thresholds may be specified in
association with the distance sensors to be activated when the
motorized transport unit gets too close to an object. The override,
however, may intend to move the motorized transport unit close to
the object and/or to contact an object. Thus, the override can
disregard the distance sensor, distance sensor information, and/or
distance sensor thresholds. In some instances, the sensors,
thresholds and/or other limits that can be overridden may be
limited based on an authority and/or authority level of the worker
or other individual or system requesting the override. As such, the
central computer system can disregard and/or override substantially
any sensor when the worker has sufficient override authority.
[0089] In some embodiments, one or more of the operating limits
that may be overridden may include one or more geographic boundary
limits that the first motorized transport unit is restricted from
passing. For example, in some implementations, one or more boundary
limits may be established to prevent the motorized transport units
from entering an area that may be detrimental to the motorized
transport unit, an area where customers are not permitted,
traveling too far from the shopping facility, areas where cameras
are typically not desirable or permitted (e.g., bathrooms), and
other such areas. Accordingly, one or more geographic boundary
limits may be applied to one or more motorized transport units that
limit or prevent the motorized transport unit from entering or
going beyond those boundaries. The override, however, may allow one
or more of the boundary limits to be crossed. As such, the central
computer system in communicating the override instructions can
communicate one or more instructions that override the restriction
of one or more boundary limits and cause the motorized transport
unit to travel beyond or outside the boundary limit.
[0090] As introduced above, in some implementations, the override
of one or more limits may include overriding the operation of the
motorized transport unit helping a customer. The central computer
system can identify that the override command will cause an
override of a customer that is actively associated with the
motorized transport unit at the time the override command is
received. The worker's authorization is confirmed prior to allowing
an override. The override may be initiated in response to the
worker detecting that the customer is abusing the motorized
transport unit, attempting to get the motorized transport unit to
take unauthorized actions, interfering with the motorized transport
unit to effectively operate, an emergency situation, and other such
situations. Accordingly, when the override of the one or more
operating limits includes overriding one or more instructions
intended to implement actions to support the use of the motorized
transport by the customer, the override can in some embodiments
include the override of a customer and inhibit control of the
motorized transport unit in accordance with a shopping experience
by the customer. This override of the customer can include
overriding customers commands, overriding customer requests,
overriding a determined route of travel of the motorized transport
unit (e.g., based on a shopping list or desired product), and the
like.
[0091] Similarly, in some instances, a first shopping facility
worker may override the use of a motorized transport unit by a
second shopping facility worker. In response to detecting a request
by the first worker to implement an override, the central computer
system may identify that the override command will cause an
override of the second worker that is currently associated with the
motorized transport unit in performing a task and/or who has
overridden the operation of the motorized transport unit. Prior to
allowing the override, the central computer system typically
evaluates the authorizations of the first and second workers. In
some instances, the central computer system confirms that the first
worker has a higher authorization priority than the second worker
before allowing the first worker to override the second worker. In
other instances, a priority of tasks may be evaluated in
determining whether to authorize the override (e.g., the task
intended to be implemented by the first worker has a higher
priority than the task being performed by the second worker, a
priority level of the task intended to be implemented is greater
than a threshold higher than the priority level of the task being
performed, etc.). In other embodiments, the central computer system
may attempt to acquire authorization from the second worker by
notifying the second worker of the first worker's requested
override, and asking the second worker (e.g., through the user
interface of the motorized transport unit, a user interface unit,
etc.) to release control and/or allow the override of the motorized
transport unit. Once the central computer system confirms
authorization and/or determines that the override of the second
worker should be implemented, the central computer system may in
some implementations notify the second worker of the override. The
central computer system in overriding of the one or more operating
limits can be further configured to override one or more override
commands received from the second worker and inhibit control of the
motorized transport unit by the second worker. This override of
another worker may be advantageous in numerous situations, such as
when a worker is abusing or incorrectly using a motorized transport
unit, when a higher priority task needs to be performed, in
emergency conditions, and the like.
[0092] In some applications, the central computer system restricts
an override to a single worker. As such, some embodiments provide a
hierarchy of authority with respect to the overriding of a
motorized transport unit. This hierarchy may allow a first worker
to override a second worker utilizing the motorized transport unit,
even when the second worker has initiated an override of the
motorized transport unit. In some embodiments, one or more
databases, tables or the like are maintained that identify workers
authorized to implement an override and a relative priority or
hierarchy of the override authority of different workers. As such,
a worker with the highest authority can control the override and
direct the motorized transport unit. The central computer system
maintains control over the motorized transport unit while receiving
instructions from the worker. For example, a hierarchy of
authority, in increasing authority, may be defined as line
associate, customer service specialist, assistant manager, manager,
and executive. It some implementations, multiple workers may
cooperatively implement an override. In such situations, however,
the central computer system may follow the hierarchy when
conflicting instructions are received and implement instructions
from the worker with the highest authority.
[0093] Further, the hierarchy may further establish authority to
perform some override tasks while limiting or preventing some
tasks. For example, a worker with a low override authority may not
be able to direct the motorized transport unit to cross one or more
boundary within the shopping facility, while a worker with a higher
authority may be capable overriding some or all boundaries. As
such, the central computer system in implementing one or more
requests or commands from a worker maintains control over the
motorized transport unit and can restrict the operation of the
motorized transport unit and/or prevent one or more instructions
from being communicated to the overridden motorized transport unit
when the worker requesting the action does not have the authority
to implement the requested action. The central computer system may
notify the worker and inform her/him that she/he does not have
sufficient authority to implement the requested override action or
task.
[0094] Further, some embodiments provide a hierarchy of motorized
transport units. In some implementations, an overridden motorized
transport unit is assigned a high or highest authority over other
motorized transport units (and potentially over at least some other
activities in the shopping facility). The overridden motorized
transport unit takes precedent over other motorized transport units
in control by the central computer system. The central computer
system choreographs the movement of the motorized transport units,
and can prevent collisions. In some embodiments, the central
computer system, when implementing an override, causes other
motorized transport units to halt and/or move out of the path of an
overridden motorized transport unit. Further, the central computer
system typically tracks the motorized transport units in a shopping
facility and attempts to optimize their routes or paths. When a
motorized transport unit is overridden the routes of other
motorized transport units may be modified to clear a path for the
overridden motorized transport unit, even when the modified routes
are not an optimized route.
[0095] In some applications, the override of the one or more limits
may include causing the motorized transport unit to travel to
and/or through an area that a motorized transport unit has not
previously traveled, an area that has not be mapped, an area where
route instructions have not previously been determined, an area
where changes in placement of objects has occurred, and the like.
Similarly, the task attempting to be performed by the motorized
transport unit may be a task that has not previously been
performed, a task for which the motorized transport unit is not
preconfigured to perform, or other such conditions. Accordingly, it
may be beneficial to record the one or more override commands
received from the overriding worker, the instructions communicated
to the motorized transport unit to implement the commands, the
actual movements of the motorized transport unit, functions
performed by the motorized transport unit in implementing the
override, sensor information obtained while performing the
override, and/or other such information. The recorded information
may then be subsequently used should a motorized transport unit
need to enter the same area in the future, the same or a similar
task need to be performed in the future, and the like.
[0096] As such, in some embodiments, the central computer system
may identify that there is not a predefined route of travel for the
motorized transport unit to follow to implement one or more
override commands, to move to an intended destination, to implement
the intended task, and the like. The central computer system may
record the one or more override commands along with one or more
subsequent override commands and movement of the motorized
transport unit defining a new route in implementing one or more
actions and/or tasks. The recording may, in some instances, be
initiated in response to identifying the lack of predefined or
previously recorded sequence of instructions, movements, route,
functions or the like. Similarly, the recording may, in some
instances, be initiated in response to identifying the motorized
transport unit is entering an area that is not mapped, an area
where a motorized transport unit has not previously entered, is
traveling a route the a motorized transport unit has not previously
traveled, performing a task for which the motorized transport unit
is not preconfigured, and the like. The central computer system may
use the recorded information to implement subsequent overrides
and/or control the movement of a motorized transport unit.
[0097] The override commands and/or authorization can be provided
by the shopping facility worker through the motorized transport
unit, a user interface unit, a user interface of the central
computer system, a user interface computer 128, or other such
device. Further, the commands to implement the actions while in an
override mode can be provided through the motorized transport unit,
a user interface unit, a user interface of the central computer
system, a user interface computer 128, or other such device. In
some embodiments, the worker initiating the override and directing
the motorized transport unit may use a voice imprint command with a
confirmation command that was previously set up in association with
an authorization and/or authorized priority level. Further, the
worker may use a user interface unit to enter one or more command,
such as through a software application (APP) implemented on the
user interface unit. The user interface unit may allow the user to
enter commands or instructions, such as verbal requests, the
selection of one or more options (forward, backward, stop, left,
right, left at 45 degrees, forward a predefined distance),
selection of one or more arrow options or buttons, a displayed or
physical joystick, the movement of a mouse or movement on a touch
screen or pad, or other such controls. Similarly, speed of
movements may be controlled, such as based on an amount of pressure
applied, duration an option is held, a selection of a speed, and
the like. In some embodiments, movement may be made based on
selections (e.g., dragging a finger along a touchscreen) relative
to a displayed mapping. Information about movements and/or actions
implemented by the motorized transport unit can be provided back to
the worker, such as through video from the motorized transport
unit, video from shopping facility cameras, sensor information,
animation on a mapping, and the like. The feedback information
allows the worker greater control over the movement of the
motorized transport unit.
[0098] In some embodiments, the movements of the motorized
transport unit are precisely and rigidly implemented while in the
override mode. This may be particularly critical in areas where
previous movement routes have not been established, conditions of
the environment in which the motorized transport unit is operating
can be hazardous to the motorized transport unit, mapping of the
area is unavailable or limited, changes to the positioning of
objects has occurred (e.g., by workers, customers, or natural
events, such as earthquake, tornado, fire, etc.), and other such
instances. For example, speed of movement of the motorized
transport unit may be restricted during certain conditions while in
the override mode. The restriction of speed may be selected by the
worker or activated by the central computer system, which may
identify conditions when such speed restrictions are to be
implemented (e.g., based on information from outside sources (e.g.,
emergency alerts, access by emergency responders, etc.), detected
through evaluation of the shopping facility (e.g., disruption of
products through some or all of the shopping facility, etc.), and
the like). Similarly, the distance moved in response to a command
may be limited and/or restricted. The amount of restriction on
speed, distance of travel, and the like, may be dependent on
conditions and may increase or decrease overtime (e.g., normal
movements are allowed during override while the motorized transport
unit is in a mapped area, but restrictions are applied as the
motorized transport unit moves into certain areas, and may be
increased or decreased as the motorized transport unit moves
through and/or out of the areas).
[0099] Typically, while the motorized transport unit is in an
override mode, other motorized transport units continue to operate
normally. In some embodiments, however, the central computer system
further restricts or prevents actions of one or more other
motorized transport units while a motorized transport unit is in an
override mode. For example, the central computer system may
identify one or more motorized transport units that are proximate
to and/or within a threshold distance from the motorized transport
unit being overridden, and restrict or prevent movement or actions
of those other motorized transport units to avoid interfering with
the overridden motorized transport unit. This can be of particular
importance when the movements of the motorized transport unit
during override may deviate from typical movements or routes,
and/or may be unpredictable.
[0100] Further, in some embodiments, the motorized transport unit
locks out one or more tasks the motorized transport unit is
typically configured to perform while implementing the one or more
override actions that cause the motorized transport unit to exceed
the one or more operating limits. As such, the motorized transport
unit can be prevented from performing the one or more locked out
tasks. In some embodiments, the central computer system
communicates the lockout instructions. In other instances, upon
activation of the override, the control circuit 405 can obtain
local instructions and implement the lock out. Further, the central
computer system can be locked out of implementing one or more tasks
with respect to the motorized transport unit while in the override
mode. The lock out of one or more tasks can avoid inadvertent
interference, and can reduce processing at the motorized transport
unit and/or the central computer system.
[0101] The worker implementing the override can submit requests
and/or commands to the central computer system to cause the
motorized transport unit to implement one or more actions or tasks.
Again, the navigation of the one or more overridden motorized
transport units can be through a joystick, remote control, voice
while visually directing the motorized transport, via a follow me
method where the motorized transport unit is issued instructions to
cause it to follow the worker or other individual that has been
identified by and/or to the central computer system, follow another
motorized transport unit, follow a beacon, follow a user interface
unit, selecting of one or more options displayed on a touch screen,
and the like. For example, when using a joystick, the joystick
indicates a direction to the central computer system that in turn
communicates instructions to move the motorized transport unit or
otherwise cause the motorized transport unit to implement one or
more actions or tasks. In some instances, the movement instructions
cause the motorized transport unit to move according to a grid
section within a navigation mapping of the shopping facility. In
some embodiments, when the motorized transport unit is off the grid
of the mapping, the central computer system issues move
instructions to the motorized transport unit consistent with
requests by the worker (e.g., in the direction the joystick
indicates by). Again, the movements in some instances may be very
precise, such as movements in increments of one or more centimeters
or inches. In some embodiments, the worker may specify the
increments, while in other instances the central computer system
may select the increments based on one or more factors, such as
congestion of an area (congestion of moving and non-moving
objects), environmental conditions (e.g., wet, dirty, fire,
emergency, etc.), location, and the like. Further, the central
computer system may identify one or more sensors to be overridden
and/or a worker may identify one or more sensors to be overridden.
In some instances, the sensor overrides from a worker are
considered suggestions, while in other instances may be mandatory
(e.g., based on authority level, condition, task being performed,
or the like). For example, in the case of an override of one or
more sensors, the worker may wish to bump and push an object with
the motorized transport unit. Accordingly, the worker may notify
the central computer system that she/he intends to direct the
motorized transport unit to bump into an object and continue to
push that object, and thus the bump sensor (and potentially a
distance sensor) should be ignored and overridden.
[0102] In some instances, one or more workers may issue overrides
to multiple or all motorized transport units that the worker has
the authority to override. This may be to organize a large movement
of motorized transport units for a task, to return multiple or all
the motorized transport units to one or more docking stations, to
stop multiple or all motorized transport units, or other such
instances. In some instances, the worker authority may additionally
indicate whether the worker has the authority to override more than
a single motorized transport unit, how many of the motorized
transport units may be overridden, what actions and/or tasks the
worker can direct multiple motorized transport units to perform,
and the like.
[0103] Typically, while the override is in place, the central
computer system takes that motorized transport unit out of
available status and/or designates the motorized transport unit as
unavailable for one or more other tasks (e.g., helping a customer).
Further, the central computer system may further consider any tasks
and/or actions the motorized transport unit was performing and/or
expected to perform. The central computer system can determine
whether one or more of these tasks or actions should be reassigned
to one or more other motorized transport units, and identify one or
more motorized transport units to receive the reassigned tasks. In
some instances, the worker may request that the actions and/or
tasks be reassigned. In some embodiments, the worker can cancel all
assigned tasks or reassign one or more tasks to other motorized
transport units.
[0104] When the shopping facility worker is finished with the
override, the worker typically releases the motorized transport
unit. The central computer system can then instruct the motorized
transport unit to continue with any remaining tasks assigned to
that motorized transport unit, reassign the motorized transport
unit to one or more tasks, or cause the motorized transport unit to
return to a docking station. The central computer system typically
further updates a status of the motorized transport unit to an
available status when appropriate.
[0105] Shopping facility workers may implement an override for any
number of reasons. For example, a worker may override a motorized
transport unit being misused by a customer or another worker; a
worker needs the motorized transport unit to go beyond set
boundaries; a worker would like the motorized transport unit to
travel down a new path that is not currently on a shopping facility
grid mapping; a manager overrides another worker using a motorized
transport unit; a worker is attempting to get a motorized transport
unit unstuck in a situation that the central computer system may
not be able to correct or may take longer than is desirable; direct
the motorized transport unit when the central computer system is
unable to figure out how to avoid an object; multiple motorized
transport units are going to be used for a large or heavy tasks
which cannot be solved by one motorized transport unit; a worker
and/or emergency response team may want to direct a motorized
transport unit to go into a situation that might be harmful to
humans; a worker may direct a motorized transport unit to follow or
confront a potential shoplifter, which may allow the camera of the
motorized transport unit to capture evidence of the shoplifting,
will keep the shopping facility worker away from potential danger
of a shoplifter, etc.; to perform a task when a worker is
unavailable (e.g., directing customers away from a spill until a
worker can arrive to clean the spill, approach a lost child and
stay with the child until a worker can be directed to the child,
etc.); have the motorized transport unit perform a task in the rain
or other adverse weather (e.g., bringing out a movable item
container to a customer or other person that needs one); perform
tasks for which a motorized transport unit has not been programmed
such as cleaning the parking lot of some trash or debris; program
navigational paths for other motorized transport units and/or
setting advertising paths in front of a shopping facility (e.g., on
a very hot day); monitor compliance issues by being remotely
steered to locations and capturing compliance on video; remotely
steered to capture data (e.g., counting, measuring, comparing,
etc.); and other such situations.
[0106] The override can be implemented through a user interface
computer 128, user interface unit 114 (which may be operating at
the shopping facility or remote from the shopping facility), the
motorized transport unit being overridden or another motorized
transport unit, a user interface of a movable item container, and
the like. For example, a motorized transport unit may be overridden
and a worker may perform remote steering from a user interface unit
or other system in order to submit instructions to the central
computer system allowing the worker to direct the movements of the
motorized transport unit. Often the motorized transport unit
includes one or more cameras that provide one or more views (e.g.,
forward and backward) or even 360 degree view about the motorized
transport unit allowing a remote worker to view and issue
instructions to steer the motorized transport unit in any
direction, and watch the effects (e.g., what is being towed, watch
contact with another object, watch as the motorized transport unit
goes beyond boundaries, etc.).
[0107] While pulling objects such as a movable item container, the
worker may want the ability to see the movable item container or
may choose to use an assisted remote steering mode. In other
instances, while implementing an assisted remote steering mode, a
worker may issue a simplified remote steering command directing the
motorized transport unit to advance or backup, which may include
movement along pre-determined navigational paths, without the need
to continuously view the cart. This allows a worker to focus on
other activities. Assisted remote steering can provide a
semi-eyes-free mode for remotely steering. When addressing a fault
condition, being able to remotely control the motorized transport
unit with minimal on-board resources may be advantage.
[0108] In some embodiments, the central computer system further
allows an override of an operation and/or the instructions being
and/or intended to be performed by a motorized transport unit. For
example, there are instances when navigation, tasks, and activities
of a motorized transport unit should and/or need to be overridden.
These situations include, but are not limited to, navigating and
recording a new potential path that has not yet been defined or
created through the central computer system; situations where
geographic boundaries or limits imposed on the motorized transport
unit might need to be crossed; situations where manual control is
needed (e.g., central computer system cannot identify an effective
way to avoid an object); implementing an action not typically
implemented by the motorized transport unit; and other such
situations. Further, some embodiments are configured to override
activities, sensors, set paths, and the like. The override can be
implemented directly at the motorized transport unit, through a
user interface unit, or other system or device capable of
communicating with the central computer system (e.g., through an
overriding application).
[0109] Further, in some embodiments, the override includes a remote
steering. A shopping facility worker associated with a shopping
facility may be granted authorization to override instructions
and/or commands to a motorized transport unit, which can include
overriding instructions that are intended to support a shopping
experience of a customer that may have been directing the motorized
transport unit. Similarly, the override may include overriding a
task assigned by the central computer system to the motorized
transport unit. In some implementations, the override can supersede
other task priorities, instructions, certain sensors, geographical
boundaries, predetermined paths, other users, and other such
operating limits that may be imposed. In some embodiments, the
worker performing the override does not necessarily have to be
physically present at motorized transport unit or even at the
shopping facility. In some implementations, one or more cameras of
one or more motorized transport units, movable item containers,
user interface units, the shopping facility, and/or other cameras
can use to display video and/or images to the worker to visually
see an area proximate to and/or surrounding the motorized transport
unit that is being overridden. The central computer system
maintains direct control over the motorized transport unit during
the override, and may receive input from the authorized worker in
identifying commands and/or instructions to communicate to the
motorized transport unit. Accordingly, in some embodiments, the
override enables the worker to at least in part direct the
motorized transport unit through the central computer system.
Control over the motorized transport unit continues to be processed
through the central computer system. Further, in some applications,
the central computer system may log and monitor the movements
and/or other actions of the motorized. Some embodiments further
allow a subsequent override of an override, such as by someone with
a higher authority.
[0110] In some embodiments, apparatuses and methods are provided
herein useful to override the operation of a motorized transport
unit. This can include overriding to cause the motorized transport
unit to take actions that might otherwise be prevented due to one
or more operating limits. In some embodiments, an apparatus
providing control over movement of motorized transport units at a
shopping facility, comprises: multiple self-propelled motorized
transport units configured to move through at least a portion of a
shopping facility; a wireless communication network; and a central
computer system that is separate and distinct from the multiple
motorized transport units and configured to communicate with each
of the multiple motorized transport units via the wireless
communication network, wherein the central computer system
comprises: a transceiver configured to communicate with the
motorized transport units located at the shopping facility; a
control circuit coupled with the transceiver; and a memory coupled
to the control circuit and storing computer instructions that when
executed by the control circuit cause the control circuit to:
receive an override command, from a first worker associated with
the shopping facility, to cause a first motorized transport unit of
the multiple motorized transport units to implement one or more
actions; confirm a valid authorization of the first worker to
override one or more operating limits of the first motorized
transport unit; and override the one or more operating limits and
communicate one or more instructions to the first motorized
transport unit configured to cause the first motorized transport
unit to implement the one or more actions in accordance with the
override command.
[0111] In some embodiments, a method of providing control over
movement of motorized transport units at a shopping facility,
comprises: by a control circuit of a shopping facility: receiving
an override command, from a first worker associated with a shopping
facility, to cause a self-propelled motorized transport unit to
implement one or more actions at the shopping facility, wherein the
control circuit is separate and distinct from the motorized
transport unit; confirming a valid authorization of the first
worker to override one or more operating limits of the motorized
transport unit; and overriding the one or more operating limits and
communicating one or more instructions to the motorized transport
unit configured to cause the motorized transport unit to implement
the one or more actions in accordance with the override
command.
[0112] Those skilled in the art will recognize that a wide variety
of modifications, alterations, and combinations can be made with
respect to the above described embodiments without departing from
the scope of the invention, and that such modifications,
alterations, and combinations are to be viewed as being within the
ambit of the inventive concept.
* * * * *