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Control apparatus of hybrid vehicles

  • US 6,329,772 B1
  • Filed: 08/23/2000
  • Issued: 12/11/2001
  • Est. Priority Date: 08/25/1999
  • Status: Expired due to Term
First Claim
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1. A control apparatus for a hybrid vehicle comprisingan engine;

  • a motor for assisting the driving power of the engine;

    a battery device which is charged by a voltage generated by regeneration of said motor;

    a contactor connected between the motor and the battery device; and

    a power drive unit provided between the motor and the contactor;

    wherein, when a component related to the motor control fails, a control apparatus of said hybrid vehicle turns off the contactor and restricts the rotation speed of said engine to a rotation speed below an engine rotation speed at which the voltage generated by regeneration by the motor is restricted to a voltage below a withstand voltage of said power drive unit.

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