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Dynamic speed governing of a vehicle

  • US 6,167,979 B1
  • Filed: 05/20/1998
  • Issued: 01/02/2001
  • Est. Priority Date: 05/20/1998
  • Status: Expired due to Term
First Claim
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1. An apparatus comprising:

  • a vehicle having a drive train with an internal combustion engine, a transmission and a number of ground engaging wheels, said transmission being coupled to said internal combustion engine to turn said wheels to propel said vehicle, said vehicle further including;

    an operator-adjustable control to select vehicle speed, said control being monitored to provide a corresponding control setting signal;

    a sensor providing an observed speed signal corresponding to a measured speed of said vehicle;

    a controller responsive to said setting signal and said observed speed signal to generate;

    a target speed signal from said setting signal by reference to a predetermined schedule relating vehicle speed to control setting, said target speed signal corresponding to a first vehicle speed, an error signal corresponding to a difference between said target speed signal and said observed speed signal; and

    wherein said engine responds to said error signal to provide said first vehicle speed and said controller is operable to regulate said engine in accordance with said error for any operating speed of said vehicle while said engine is running.

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