A torque control policy for four wheel drive road going vehicles is developed, based on the use of a compact variable ratio unit (VRU) located at each wheel. Since the appropriate hardware is not yet available, a computer model is developed to examine what gear ratio range and frequency response might be required of the hardware to allow for improved performmance and stability over current four wheel drive systems. A comparison is then made to a front wheel drive (FWD), rear wheel drive (RWD) and four wheel drive (4WD) to determine the effectiveness of the derived control policy.


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    Title :

    All wheel independent torque control


    Additional title:

    Unabhaengige Drehmomentregelung an den Raedern eines Fahrzeugs mit Allradantrieb


    Contributors:

    Published in:

    SAE-Papers ; Aug ; 1-9


    Publication date :

    1988


    Size :

    9 Seiten, 15 Bilder, 4 Tabellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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