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Method and computer software code for determining when to permit a speed control system to control a powered system

  • US 8,370,007 B2
  • Filed: 03/21/2008
  • Issued: 02/05/2013
  • Est. Priority Date: 03/20/2006
  • Status: Expired due to Fees
First Claim
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1. A method for determining an operating threshold boundary within which an automatic controller is permitted to control a powered system, the method comprising:

  • calculating, on-board the powered system, a threshold power and/or speed boundary of the powered system with at least one of real-time information about at least one of a route and a load encountered by the powered system as a function of at least one of time or distance, a characteristic of the powered system, and a characteristic of the automatic controller;

    determining, on-board the powered system, whether the powered system exceeds the threshold boundary while the powered system is performing a mission; and

    if the threshold boundary is exceeded automatically at least one of disengaging, on-board the powered system, the automatic controller when the automatic controller is controlling the powered system and prohibiting, on-board the powered system, the automatic controller from controlling the powered system when the automatic controller has not begun controlling the powered system.

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