A variable stiffness architecture is used in the suspension system to counteract the body roll moment, thereby enhancing the roll stability of the vehicle. The variation of stiffness concept uses the 'reciprocal actuation’ to effectively transfer energy between a vertical traditional strut and a horizontal oscillating control mass, thereby improving the energy dissipation of the overall suspension. The lateral dynamics of the system is developed using a bicycle model. The accompanying roll dynamics are also developed and validated using experimental data. The positions of the left and right control masses are sequentially allocated to reduce the effective body roll and roll rate. Simulation results show that the resulting variable stiffness suspension system has more than 50% improvement in roll response over the traditional constant stiffness counterparts. The simulation scenarios examined is the fishhook manoeuvre.


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    Title :

    Roll stabilisation of road vehicles using a variable stiffness suspension system


    Contributors:

    Published in:

    Vehicle System Dynamics ; 51 , 12 ; 1894-1917


    Publication date :

    2013


    Size :

    24 Seiten




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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