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SYSTEMS AND METHODS FOR DETECTING AND REDUCING HIGH DRIVELINE TORSIONAL LEVELS IN AUTOMOBILE TRANSMISSIONS

  • US 20080288146A1
  • Filed: 05/17/2007
  • Published: 11/20/2008
  • Est. Priority Date: 05/17/2007
  • Status: Active Grant
First Claim
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1. A method to detect and reduce disturbances arising from any high driveline torsional vibration levels in an automobile transmission, comprising:

  • measuring one of transmission turbine speed and transmission input speed;

    detecting vibration arising from any high driveline torsional vibration levels based on the measured speed; and

    controlling slip in a launch device of a transmission responsive to detecting vibrations.

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