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United States Patent 7,711,593

7,711,593

Pull planning for unserviceable parts in connection with on-demand repair planning

Issued:  May 4, 2010

Assignee:  i2 Technologies US, Inc. (Dallas, TX)

Inventors:  Adgaonkar; Amol B. (Arlington, TX), Rammohan; Deepak (Philadelphia, PA), Burkhardt; Thomas (Dallas, TX), Jain; Nikhil T. (Flower Mound, TX)

Abstract:  In one embodiment, planning repairs in response to demand in a multi-level repair network includes accessing a forecasted demand for serviceable parts at a repair location and, for each inspected unserviceable part at the location that is not repairable at the location: (1) planning a move of the part to an upstream repair location such that the part can be available for repair at the upstream location at an estimated earliest time; (2) estimating a latest time at which a repair of the part can begin at the upstream location to help satisfy the forecasted demand, according to the forecasted demand and the estimated earliest time, and planning a repair at the upstream location at the estimated latest time; and (3) re-planning the move, according to the start time of the repair, by modifying a move delivery time according to a repair start time and modifying a move start time according to the modified delivery time. The re-planned move start time is an estimated latest time at which the part can be moved to the upstream location for repair to help satisfy the forecasted demand.