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Trailer sway mitigation using measured distance between a trailer and a tow vehicle

  • US 8,838,353 B2
  • Filed: 07/24/2009
  • Issued: 09/16/2014
  • Est. Priority Date: 07/24/2009
  • Status: Active Grant
First Claim
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1. A method of controlling a vehicle and a trailer, the vehicle having a front end and a rear end and the trailer coupled to the rear end, the method comprising:

  • sensing a steering angle of the vehicle;

    sensing, during vehicle operation, a distance between the vehicle and the trailer with a sensor positioned on the rear end of the vehicle;

    calculating, during vehicle operation, a target distance between the rear end of the vehicle and the trailer based on the sensed steering angle of the vehicle;

    determining an error signal based on the sensed distance and the target distance; and

    during a vehicle turn, applying a braking force on at least one wheel of the vehicle in response to the error signal.

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