Advanced automatic transmissions in recently developed vehicles are generally equipped with the servo-actuated clutch system. In that system, the normal force or the clutch torque control of electric motor type actuators is quite difficult because the measurement of the clutch torque is impractical in the real environment. Particularly, the system studied is equipped with an actuator utilizing self-energizing effect to reinforce the clutch force with much less actuation energy. Since such a system includes torque amplification mechanism, some parametric uncertainties in the clutch torque controller are also amplified. Adaptive sliding mode control scheme for a robust clutch control is proposed to ensure the smooth engagement without torque measurement. The friction coefficient of the clutch surface is estimated to control the engagement torque properly.


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    Title :

    Adaptive force control of automotive clutch actuator system with self-energizing effect


    Contributors:


    Publication date :

    2011


    Size :

    6 Seiten, 5 Bilder, 16 Quellen




    Type of media :

    Conference paper


    Type of material :

    Storage medium


    Language :

    English




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