Based on the investigation of vibration characteristics of certain vehicle without suspension, a new type of damping- adjustable hydro-pneumatic suspension was put forward. Based on the analysis of working principle, the nonlinear mathematical and output force characteristic models of suspension were set up. Using MATLAB/Simulink, through adjusting initialization pressure and volume of accumulator, the diameter and number of orifice valve, the diameter of adjustable throttle and the amplitude and frequency of excitation, the influences of these parameters to output force characteristics were put forward. Simulation results show that initialization pressure of accumulator doesn't influence the curve shape of displacement and velocity characteristics of output force and doesn't influence the damping force of suspension, and orifice valve, adjustable throttle and excitation influence greatly to output force characteristics, especially to revert phase.


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    Title :

    Simulation on output force characteristics of damping-adjustable hydro-pneumatic suspension


    Contributors:
    Zhu, Sihong (author) / Lu, Baozhan (author)


    Publication date :

    2009-06-01


    Size :

    1118089 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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