When the sign of the drive torque that is applied to wheels 1 is reversed and an absolute value difference of at least two of the wheel speeds becomes smaller than a threshold value ε, an ECU 3 switches the method for selecting the wheel speed used for estimating the vehicle body speed between select-low and select-high.


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    Title :

    VEHICLE SPEED ESTIMATION METHOD AND VEHICLE SPEED ESTIMATION DEVICE FOR FOUR-WHEEL DRIVE VEHICLE


    Additional title:

    VERFAHREN ZUR SCHÄTZUNG DER FAHRZEUGGESCHWINDIGKEIT UND VORRICHTUNG ZUR SCHÄTZUNG DER FAHRZEUGGESCHWINDIGKEIT FÜR EIN ALLRADANTRIEBSFAHRZEUG
    PROCÉDÉ D'ESTIMATION DE VITESSE DE VÉHICULE ET DISPOSITIF D'ESTIMATION DE VITESSE DE VÉHICULE POUR VÉHICULE À QUATRE ROUES MOTRICES


    Contributors:

    Publication date :

    2024-02-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion



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