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Control system for vehicle generator and control method therefor

  • US 5,808,367 A
  • Filed: 12/11/1996
  • Issued: 09/15/1998
  • Est. Priority Date: 04/11/1995
  • Status: Expired due to Fees
First Claim
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1. A control system for a vehicle generator, comprising:

  • an internal combustion engine mounted on a vehicle;

    an operating unit for controlling a driving of said internal combustion engine;

    driving status detecting means for detecting a driving status of said internal combustion engine by detecting at least a rotation number of said internal combustion engine, an opening of a throttle valve and a temperature of a cooling water;

    intake air quantity adjusting means for adjusting a quantity of an intake air during an idling;

    a generator driven by said internal combustion engine, for generating power;

    an excitation coil incorporated in said generator, for controlling a generation volume;

    means for driving said excitation coil;

    a battery to be charged by power generated by said generator; and

    means for detecting a voltage of said battery, wherein said operating unit includes;

    means for setting a driving volume of said intake air quantity adjusting means;

    means for calculating a target generation voltage according to a driving status of said internal combustion engine;

    means for calculating driving volume (ALTDTY,

         224) of said excitation coil so that a voltage of said battery comes close to said target generation voltage by comparing said target generation voltage with said battery voltage; and

    means for correcting a driving volume of said intake air quantity adjusting means by a first correction volume (ISCPI,

         209) based on a rotation number of said internal combustion engine and a second correction volume (EL,

         210) based on a driving volume of said excitation coil and said detected driving status.

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