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Method to automatically adjust a trailer brake controller

  • US 10,479,334 B2
  • Filed: 05/24/2017
  • Issued: 11/19/2019
  • Est. Priority Date: 05/24/2017
  • Status: Active Grant
First Claim
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1. A vehicle brake system, comprising:

  • a vehicle brake pedal;

    a position sensor coupled with the vehicle brake pedal, measuring a position of the vehicle brake pedal within a range of movement thereof, and outputting a signal corresponding with the position of the vehicle brake pedal;

    a vehicle acceleration sensor outputting a vehicle acceleration signal; and

    a trailer brake controller;

    connected with the position sensor and the vehicle acceleration sensor;

    outputting an initial trailer brake torque demand signal readable by an external electronic brake unit correlated with the signal from the position sensor;

    determining an expected negative acceleration value correlated with the signal from the position sensor using one of a predetermined formula or a table;

    receiving a vehicle acceleration signal from the acceleration sensor; and

    adjusting the initial trailer brake torque demand signal to converge the vehicle acceleration signal to the expected negative acceleration value.

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