Axle torque distribution control systems can considerably improve vehicles' mobility. However, when a vehicle attempts to move on a low adhesion terrain, it often loses its energy through low-adhesion wheel spinning by dissipating the same amount of energy it biases to high-adhesion wheel. To overcome this problem, electronically controlled limited slip differentials (LSDs) applied at the driven wheels enables optimum torque distribution between axle wheels. This paper presents a device that controls the applied force on multi-plate clutches located between driven axle and stationary hub. When a vehicle is driving over split adhesion roads, the device brakes the spinning wheel over low adhesion and biases more torque to the wheel over good adhesion. This improves vehicle mobility and reduces the power losses. A test rig has been designed and constructed to investigate the device characteristics. Obtained results show the various benefits that could be gained when a controllable multi plate clutch is implemented with simple differential driving axle. The system can offer power saving better than both passive differential and even LSD.


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    Title :

    Axle torque distribution control for enhancing mobility of off-road vehicles


    Contributors:


    Publication date :

    2014


    Size :

    13 Seiten, Bilder, Tabellen, Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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