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Control system for hybrid vehicle

  • US 6,314,346 B1
  • Filed: 12/03/1999
  • Issued: 11/06/2001
  • Est. Priority Date: 12/07/1998
  • Status: Expired due to Term
First Claim
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1. A control system for a hybrid vehicle with an engine for producing a driving force for said vehicle, a motor for producing an assist driving force to assist the output from said engine, and a power storage unit for supplying electric energy to said motor and storing regenerated energy produced by regeneration of said motor when said vehicle decelerates, said control system comprising:

  • a charge zone determining device for determining whether a state of charge is within a normal use zone;

    a temporary use zone;

    an over-discharge zone, or an over-charge zone;

    a generation mode selector for selecting one of a normal generation mode corresponding to said normal use zone, a low generation mode corresponding to said temporary use zone, a high generation mode corresponding to said over-discharge zone, and a generation stop mode corresponding to said over-charge zone, based on the determination by said charge zone determining device; and

    a generation amount setter for setting the amount of electric power generation corresponding to each mode.

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