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Driving state monitoring apparatus for vehicles

  • US 6,470,241 B2
  • Filed: 12/07/2000
  • Issued: 10/22/2002
  • Est. Priority Date: 12/08/1999
  • Status: Expired due to Term
First Claim
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1. A driving state monitoring apparatus for a vehicle, for monitoring a driving state of a driver of said vehicle, comprising:

  • behavior parameter detecting means for detecting a behavior parameter indicative of a lateral movement of said vehicle;

    vehicle speed detecting means for detecting a vehicle speed of said vehicle;

    behavior reference setting means for setting a behavior reference according to changes in the behavior parameter;

    running locus calculating means for calculating a running locus of said vehicle according to the behavior parameter, the behavior reference, and the vehicle speed;

    vehicle behavior feature parameter calculating means for calculating a plurality of vehicle behavior feature parameters indicative of a feature of vehicle behavior according to the running locus; and

    driving state determining means for determining whether or not the driving state of the driver is proper according to the plurality of vehicle behavior feature parameters.

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