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Drive control system for hybrid vehicles

  • US 6,201,312 B1
  • Filed: 01/21/1999
  • Issued: 03/13/2001
  • Est. Priority Date: 02/17/1998
  • Status: Expired due to Term
First Claim
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1. A drive control system for a hybrid vehicle, which can select a run using a motive power generated by burning a fuel in an internal combustion engine and a run using a motive power generated with an electric power by an electric motor and which can generate and reserve the electric power in a battery device, comprising:

  • first evaluation means for evaluating the fuel consumption in the case assuming that the run with a demanded power is made by using the electric power reserved in said battery device, while including the fuel consumption at the time when said battery device is charged with the electric power;

    second evaluation means for evaluating the fuel consumption in the case assuming that said run with the demanded power is made by said motive power generated by burning the fuel in the internal combustion engine; and

    motive power selecting means for selecting one of said run using the electric motor and said run using the internal combustion engine, on the basis of the evaluation results of said first evaluation means and said second evaluation means.

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