For the roll vibration problem of a Truck, a 4-DOF roll vibration model of its front suspension system was built. According to dynamics theory, the complex modal vibration modes of the model were all obtained. At the same time, the frequency response functions of frame roll angle acceleration, the relative dynamic load of wheel and the suspension dynamic deflection were respectively presented. Then their characteristics were respectively researched. In the process of characteristic analysis, a new system parameter was proposed, which is the space ratio of the space between suspensions of left and right sides and the wheel track of the front axle (space ratio in short). At last, the influence of system parameters on the vibration transmission property was also reserached, which included the natural frequency of the frame, the damping ratio, the stiffness ratio, the mass ratio, the rotational inertia ratio and the space ratio. The study would provide theoretical guidance to attenuate the roll vibration and to improve the comfort of the commercial vehicle.


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    Titel :

    Research on Roll Vibration Characteristics of a Truck's Front Suspension


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Wang, Changxin (Autor:in) / Liu, Meilan (Autor:in) / Shi, Wenku (Autor:in) / Guo, Zhijun (Autor:in)

    Kongress:

    SAE 2015 World Congress & Exhibition ; 2015



    Erscheinungsdatum :

    14.04.2015




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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