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METHOD AND APPARATUS FOR ADAPTING ENGINE OPERATION IN A HYBRID POWERTRAIN SYSTEM

  • US 20090118085A1
  • Filed: 10/15/2008
  • Published: 05/07/2009
  • Est. Priority Date: 11/05/2007
  • Status: Active Grant
First Claim
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1. Method for controlling a powertrain comprising an engine coupled to an input member of a hybrid transmission, the hybrid transmission operative to transfer power between an input member and a plurality of torque machines and an output member, the method comprising:

  • monitoring operation of the hybrid transmission;

    determining motor torque offsets for the torque machines;

    transforming the motor torque offsets for the torque machines to an input torque offset and an output torque offset of the hybrid transmission; and

    adjusting operation of the engine based upon the input torque offset and the output torque offset of the hybrid transmission.

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