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Trailer sway detection and method for reducing trailer sway utilizing trailer brakes

  • US 9,026,311 B1
  • Filed: 03/13/2013
  • Issued: 05/05/2015
  • Est. Priority Date: 03/13/2013
  • Status: Active Grant
First Claim
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1. A method for detecting a sway event in a trailer, comprising the steps of:

  • receiving a signal corresponding to a sway angle;

    comparing the signal to an activation threshold;

    measuring a duration for which the signal exceeds the activation threshold;

    detecting the sway event when the duration exceeds the activation threshold for a predetermined time;

    incrementing a sway counter upon detection of the sway event; and

    generating a brake control signal after the sway counter has been incremented at least twice.

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