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Dynamic compensation for clutch control during shift

  • US 9,933,069 B2
  • Filed: 04/17/2015
  • Issued: 04/03/2018
  • Est. Priority Date: 04/30/2013
  • Status: Active Grant
First Claim
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1. A transmission comprising:

  • a clutch; and

    a controller programmed to;

    command a pressure based on a target clutch torque and a static transfer function to control a torque capacity of the clutch;

    estimate an actual current pressure based on a first order distributed delay and a record of commanded pressures;

    estimate a torque transmitted by the clutch; and

    adapt the static transfer function based on the estimated transmitted torque and the estimated actual current pressure.

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