Inventory system with connectable inventory holders
First Claim
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1. A method, comprising:
- instructing, by a management module, a mobile drive unit to move towards a first location associated with a first inventory holder comprising at least one connection module operable to couple the first inventory holder to one or more second inventory holders;
receiving, by the management module, information from the at least one connection module indicating a connection status of the first inventory holder; and
based upon the connection status indicating that the first inventory holder is not physically coupled to the one or more second inventory holders;
instructing the mobile drive unit to move the first inventory holder to a second location associated with the one or more second inventory holders;
instructing the at least one connection module to physically couple the first inventory holder to the one or more second inventory holders at the second location; and
instructing the mobile drive unit to move the first inventory holder and the one or more second inventory holders toward a third location while the first inventory holder is physically connected with the one or more second inventory holders.
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Abstract
A system includes a first mobile drive unit and a second mobile drive unit. The first mobile drive unit is operable to dock with a first item holder at a first end of a column of connected item holders. The second mobile drive unit is operable to dock with a second item holder at a second end of the column of connected item holders. The system also includes a management module that is operable to instruct the first mobile drive unit and the second mobile drive units to transport the column of connected item holders from a first location to a second location.
55 Citations
19 Claims
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1. A method, comprising:
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instructing, by a management module, a mobile drive unit to move towards a first location associated with a first inventory holder comprising at least one connection module operable to couple the first inventory holder to one or more second inventory holders; receiving, by the management module, information from the at least one connection module indicating a connection status of the first inventory holder; and based upon the connection status indicating that the first inventory holder is not physically coupled to the one or more second inventory holders; instructing the mobile drive unit to move the first inventory holder to a second location associated with the one or more second inventory holders; instructing the at least one connection module to physically couple the first inventory holder to the one or more second inventory holders at the second location; and instructing the mobile drive unit to move the first inventory holder and the one or more second inventory holders toward a third location while the first inventory holder is physically connected with the one or more second inventory holders. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A connection module of an inventory system, the connection module comprising:
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one or more connection elements associated with a first inventory holder; and one or more processors operable to; determine a connection status of the one or more connection elements; transmit a connection status to a management module; and based at least in part upon a connection status that indicates that the one or more connection elements are not connected to another inventory holder, receive an instruction to connect the first inventory holder to one or more second inventory holders by causing the one or more connection elements to connect to a second inventory holder of the one or more second inventory holders that is within a predetermined distance of the connection module; wherein; the connection status indicates a weight of the first inventory holder and the connected one or more second inventory holders; and the first inventory holder and the one or more second inventory holders are transported by a mobile drive unit according to instructions that are based at least in part upon the weight indicated by the connection status. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A connection module of an inventory system, comprising:
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one or more connection elements associated with a first inventory holder; and one or more processors operable to; determine a connection status of the one or more connection elements; transmit a connection status to a management module; and based at least in part upon a connection status that indicates that the one or more connection elements are not connected to another inventory holder, receive an instruction to connect the first inventory holder to one or more second inventory holders by causing the one or more connection elements to connect to a second inventory holder of the one or more second inventory holders that is within a predetermined distance of the connection module; wherein; the connection status indicates a weight distribution of the first inventory holder and the connected one or more second inventory holders; the first inventory holder and the one or more second inventory holders are transported by a mobile drive unit; and the mobile drive unit is operable to; determine an acceleration based at least in part upon the weight distribution of the first inventory holder and the one or more second inventory holders; and transport the first inventory holder and the one or more second inventory holders according to the determined acceleration.
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14. A mobile drive unit, operable to:
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move to a first location associated with a first inventory holder comprising at least one connection module operable to couple the first inventory holder to one or more second inventory holders; receive, from the connection module, information indicating a connection status of the first inventory holder; and based upon the connection status indicating that the first inventory holder is physically coupled to the one or more second inventory holders, receive first instructions to; dock with the first inventory holder; move the first inventory holder and the coupled one or more second inventory holders to a second location associated with a queue for an inventory station; and move the first inventory holder and the coupled one or more second inventory holders through the queue for the inventory station. - View Dependent Claims (15, 16, 17, 18, 19)
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Specification