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Method and system for transporting inventory items

  • US 8,280,547 B2
  • Filed: 01/28/2011
  • Issued: 10/02/2012
  • Est. Priority Date: 06/09/2006
  • Status: Active Grant
First Claim
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1. A method for transporting inventory items, comprising:

  • moving to a starting location associated with an inventory holder;

    docking with the inventory holder;

    moving towards a destination location;

    while moving towards the destination location, determining a location of the inventory holder;

    calculating a difference between the determined location of the inventory holder and an anticipated location of the inventory holder;

    determining whether the difference is greater than a predetermined tolerance; and

    in response to determining that the difference is greater than the predetermined tolerance;

    undocking from the inventory holder;

    determining a correction value based on the difference, wherein the correction value indicates at least one of a direction and a distance;

    moving based on the correction value;

    docking with the inventory holder; and

    moving towards the destination location.

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