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Drive control system for electric vehicle and method of drive control of electric vehicle

  • US 7,496,435 B2
  • Filed: 12/03/2004
  • Issued: 02/24/2009
  • Est. Priority Date: 01/21/2004
  • Status: Active Grant
First Claim
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1. A drive control system for an electric vehicle comprising:

  • a drive motor target torque calculation processing device for calculating a drive motor target torque representing a target torque of a drive motor; and

    a drive motor target torque restriction processing device that determines whether or not a parking mechanism provided engageably and disengageably with respect to a drive shaft so as to disable rotation of the drive shaft is in operation and, if the parking mechanism is in operation, restricts variations in the drive motor target torque, wherein the drive motor target torque restriction processing device is configured to restrict a rate of change of the drive motor target torque so as to be smaller than in a state in which the parking mechanism is not in operation.

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