The scope of this article is limited to the torsional driveline system of a front-engine front-wheel type of vehicle. A reduced-order model of a manual transmission (with the third gear engaged and the fifth gear unloaded) is developed on the basis of the modal characteristics. A simplified nonlinear mathematical model is then proposed with the focus on the multi-staged clutch damper properties such as the asymmetric transition angles and the pre-loads. The drag torque is estimated under two engine conditions (wide-open throttle and coast) by assuming that the vehicle is in the steady-state condition. Finally, the gear rattle criteria are investigated, and illustrative examples for three real-life clutch dampers are described. In particular, methods for solving the real-life gear rattle phenomenon are suggested.


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    Title :

    Effect of the multi-staged clutch damper characteristics on the transmission gear rattle under two engine conditions


    Contributors:


    Publication date :

    2013-09-01


    Size :

    22 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English