System and method for positioning a mobile drive unit
First Claim
Patent Images
1. A system for transporting inventory items, comprising:
- a mobile drive unit operable to transport at least one of a plurality of inventory holders; and
a management module operable to;
determine an assignment state of a mobile drive unit;
in response to determining that the mobile drive unit is not currently completing a task, select a waiting location for the mobile drive unit based on the assignment state of the mobile drive unit and based on a traffic level associated with the waiting location, the traffic level based at least in part on a frequency with which the waiting location is included as part of a plurality of paths generated by the management module and associated with other mobile drive units; and
transmit information to the mobile drive unit identifying the selected waiting location.
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Abstract
A method for transporting inventory items includes determining an assignment state of a mobile drive unit. The method also includes selecting a location for the mobile drive unit based on the assignment state of the mobile drive unit, in response to determining that the mobile drive unit is not currently completing a task. The method further includes transmitting information to the mobile drive unit identifying the selected location.
154 Citations
20 Claims
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1. A system for transporting inventory items, comprising:
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a mobile drive unit operable to transport at least one of a plurality of inventory holders; and a management module operable to; determine an assignment state of a mobile drive unit; in response to determining that the mobile drive unit is not currently completing a task, select a waiting location for the mobile drive unit based on the assignment state of the mobile drive unit and based on a traffic level associated with the waiting location, the traffic level based at least in part on a frequency with which the waiting location is included as part of a plurality of paths generated by the management module and associated with other mobile drive units; and transmit information to the mobile drive unit identifying the selected waiting location. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for transporting inventory items, comprising:
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determining an assignment state of a mobile drive unit; in response to determining that the mobile drive unit is not currently completing a task, selecting a waiting location for the mobile drive unit based on the assignment state of the mobile drive unit and based on a traffic level associated with the waiting location, the traffic level based at least in part on a frequency with which the waiting location is included as part of a plurality of paths generated by the management module and associated with other mobile drive units; and transmitting information to the mobile drive unit identifying the selected waiting location. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A management module operable to:
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determining an assignment state of a mobile drive unit; in response to determining that the mobile drive unit is not currently completing a task, select a waiting location for the mobile drive unit based on the assignment state of the mobile drive unit and based on a traffic level associated with the waiting location, the traffic level based at least in part on a frequency with which the waiting location is included as part of a plurality of paths generated by the management module and associated with other mobile drive units; and transmit information to the mobile drive unit identifying the selected waiting location. - View Dependent Claims (18)
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19. A system for transporting inventory items, comprising:
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means for determining an assignment state of a mobile drive unit; means for selecting, in response to determining that the mobile drive unit is not currently completing a task, selecting a waiting location for the mobile drive unit based on the assignment state of the mobile drive unit and based on a traffic level associated with the waiting location, the traffic level based at least in part on a frequency with which the waiting location is included as part of a plurality of paths generated by the management module and associated with other mobile drive units; and means for transmitting information to the mobile drive unit identifying the selected waiting location. - View Dependent Claims (20)
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Specification