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 performance 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:

    Sae Technical Papers


    Contributors:

    Conference:

    1988 Conference and Exposition on Future Transportation Technology ; 1988



    Publication date :

    1988-08-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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