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Torque converter clutch slip control

  • US 20080058161A1
  • Filed: 09/01/2006
  • Published: 03/06/2008
  • Est. Priority Date: 09/01/2006
  • Status: Active Grant
First Claim
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1. A method of regulating engagement of a torque converter clutch (TCC) in a vehicle incorporating a transmission that is driven by an engine through a torque converter, comprising:

  • determining a non-linear slip profile based on vehicle operating parameters;

    calculating an actual TCC slip;

    calculating a TCC ramp pressure based on said non-linear slip profile and said actual TCC slip; and

    regulating a TCC engagement pressure based on said TCC ramp pressure.

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