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Method and device for speed regulation when travelling on an incline

  • US 9,139,172 B2
  • Filed: 02/06/2008
  • Issued: 09/22/2015
  • Est. Priority Date: 02/28/2007
  • Status: Active Grant
First Claim
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1. A method of controlling an actual speed of a motor vehicle in a travelling direction thereof during a hill descent, comprising the following steps:

  • (a) determining an actual speed signal;

    (b) determining an inclination signal that represents a rate of change of an inclination as a function of time of a motor vehicle in a travelling direction thereof during a hill descent;

    (c) determining a setpoint speed signal;

    (d) determining a difference signal from the actual speed signal and the setpoint speed signal;

    (e) determining an actuating signal from the difference signal and the inclination signal;

    (f) converting the actuating signal to at least one braking signal; and

    (g) supplying the at least one braking signal to a brake system of the motor vehicle.

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