Driven by a strong pressure for fuel efficiency and dynamic performance, dual clutch transmission system is focused as next generation system. The online estimation of the characteristic curve of the clutch transmissible torque as a function of the actuator position is essential for precise clutch engagement control. For precise estimation of the clutch transmissible torque, nonlinear torque transfer model of dry clutch is defined and the sliding mode observer algorithm is implemented in the dual clutch transmission (DCT) control strategy to compensate the changes in clutch characteristic curve. Unknown input observer compensates modeling and estimation error. The dry clutch toque observers allow a better estimation of the actual transmitted clutch torque when activating the clutch engagement control. The stability and performance of estimation algorithm are verified by simulation result.


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    Title :

    Clutch Transmissible Torque Estimation for Dry Dual Clutch Transmission Control


    Contributors:


    Publication date :

    2012


    Size :

    8 Seiten





    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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