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HILL ROLL-BACK AND ROLL-FORWARD CONTROL SYSTEMS AND METHODS

  • US 20120187750A1
  • Filed: 01/21/2011
  • Published: 07/26/2012
  • Est. Priority Date: 01/21/2011
  • Status: Active Grant
First Claim
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1. A system for a vehicle on a surface, comprising:

  • a triggering module that selectively generates a triggering signal when the vehicle is stopped, a grade of the surface is one of greater than a predetermined positive grade and less than a predetermined negative grade, and a brake pedal position is greater than a predetermined brake pedal position,wherein a brake actuator provides brake fluid to a braking system of the vehicle when the brake pedal position is greater than the predetermined brake pedal position;

    a brake releasing module that, after the triggering signal is generated, begins releasing the brake fluid from the braking system a predetermined period after the brake pedal position reaches the predetermined brake pedal position; and

    a brake applying module that selectively operates a brake fluid pump after the triggering signal is generated based on a comparison of a vehicle speed and a predetermined vehicle speed,wherein the brake fluid pump provides brake fluid to the braking system when the brake fluid pump is operated.

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