To improve an estimate accuracy in estimating a steady state of a driver. A heart rates R of the driver are recorded and the deceleration start time tg when a vehicle in a travelling state starts to decelerate and stops. The heart rates R within a predetermined period recorded before the deceleration start time tg by the biological information record unit (21) are referred to and a pre-deceleration heart rate Rb which is a representative value of the referred heart rates R is extracted. Furthermore, the heart rates R within a predetermined period recorded after the deceleration start time tg by the biological information record unit (21) are referred to and a post-deceleration heart rate Ra which is a representative value of the referred heart rates R is extracted. Then, the pre-deceleration biological information and the post-deceleration biological information extracted by the biological information extraction unit are compared with each other to estimate the steady state of the driver after deceleration. That is, when a difference ”R between the pre-deceleration heart rate Rb and the post-deceleration heart rate Ra is equal to or larger than a predetermined threshold value Rt, it is estimated that the driver after the deceleration in in the steady state.


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    Title :

    DRIVER STATE ESTIMATION DEVICE


    Additional title:

    VORRICHTUNG ZUR TREIBERZUSTANDSSCHÄTZUNG
    DISPOSITIF D'ÉVALUATION DE L'ÉTAT D'UN CONDUCTEUR


    Contributors:

    Publication date :

    2015-06-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    A61B DIAGNOSIS , Diagnostik / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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