A straight-travelling/turning determination device 100 includes a straight-travelling/turning determiner 128 that determines whether a motorcycle 10 is travelling straight or turning by comparing a threshold value and a rotational speed comparison value (a value resulting from comparison between the front wheel rotational speed and the rear wheel rotational speed). The straight-travelling/turning determiner 128 uses the rotational speed comparison value obtained when the vehicle speed is equal to or lower than a first predetermined speed, an absolute value of the vehicle acceleration is equal to or lower than a predetermined acceleration, and a blinker 102 is not being actuated, as a straight-travelling rotational speed comparison value, and determines that the motorcycle 10 is turning if a ratio or difference between the rotational speed comparison value and the straight-travelling rotational speed comparison value is larger than a threshold value. This provides enhanced accuracy of determination as to whether a vehicle is travelling straight or turning.


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    Title :

    Straight-travelling/turning determination device


    Additional title:

    Geradeausfahrt- bzw. Kurvenfahrterkennungsvorrichtung
    Dispositif de détermination de conduite en ligne droite ou en virage


    Contributors:

    Publication date :

    2015-12-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein