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Parking pawl engagement control with feedback

  • US 9,132,811 B2
  • Filed: 03/11/2013
  • Issued: 09/15/2015
  • Est. Priority Date: 03/11/2013
  • Status: Active Grant
First Claim
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1. A system for parking pawl engagement control of a hybrid vehicle comprising:

  • a plurality of wheels;

    a planetary gear;

    a motor-generator geared to the plurality of wheels through the planetary gear;

    a parking pawl for engaging the planetary gear; and

    a processor configured to;

    determine a target torque value of the motor-generator based on at least one of a target movement value that corresponds to a movement of the hybrid vehicle or a target speed value that corresponds to a speed of the hybrid vehicle, andadjust the target torque value based on feedback data corresponding to a detected condition or a current movement of the hybrid vehicle, wherein the adjustment of the target torque value optimizes engagement of the parking pawl with the planetary gear.

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