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Inventory holder load detection and/or stabilization

  • US 9,738,449 B1
  • Filed: 09/26/2016
  • Issued: 08/22/2017
  • Est. Priority Date: 09/19/2014
  • Status: Active Grant
First Claim
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1. A mobile drive unit comprising:

  • a drive module comprising a propulsion system configured to move the mobile drive unit between locations of a workspace;

    a docking head configured to dock with an inventory holder for movement of the inventory holder by the mobile drive unit;

    a sensor configured to obtain information about a load distribution of the inventory holder relative to the mobile drive unit, the load distribution dependent on a distribution of any inventory items stored in the inventory holder; and

    a module configured to at least one of receive or generate instructions that are based at least in part on the information obtained by the sensor and that instruct operation of the drive module to cause the mobile drive unit to move abruptly so as to cause a shift of position of at least one inventory item relative to the inventory holder to change the load distribution of the inventory holder relative to the mobile drive unit.

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