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Control device for hybrid vehicle

  • US 6,949,897 B2
  • Filed: 09/19/2002
  • Issued: 09/27/2005
  • Est. Priority Date: 09/21/2001
  • Status: Expired due to Term
First Claim
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1. A control device for a hybrid vehicle having an engine and a motor for driving said vehicle, and a battery device storing electrical energy converted, by said motor, from a part of the output of said engine or the kinetic energy of said vehicle, said control device comprising:

  • a control pattern setting section for classifying a state of charge of said battery device into predetermined zones and for setting a specific control pattern for each of said predetermined zones;

    a state of charge calculating section for calculating the state of charge of said battery device and calculating a use-permission zone with respect to the state of charge;

    an assist amount setting section for setting an amount of power assist provided by said motor for assisting the output of said engine depending on said control pattern set by said control pattern setting section; and

    an assist amount correcting section for correcting the amount of power assist in accordance with the width of said use-permission zone calculated by said state of charge calculating section.

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