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Controlling vehicle creep

  • US 8,602,939 B2
  • Filed: 07/05/2011
  • Issued: 12/10/2013
  • Est. Priority Date: 07/05/2011
  • Status: Active Grant
First Claim
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1. A method for controlling vehicle creep, comprising:

  • (a) if desired creep speed exceeds vehicle speed while an accelerator pedal is released, controlling motor speed to produce the desired creep speed;

    (b) if desired motor torque exceeds actual motor torque, controlling motor torque to produce the desired motor torque;

    (c) if vehicle speed is decreasing and exceeds the desired speed while the accelerator pedal is released, controlling motor torque to decelerate the vehicle to desired creep speed.

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