Development of a passive anti-pitch anti-roll hydraulically interconnected suspension (AAHIS) with the advantage of improving vehicle directional stability and handling quality is presented. A 7 degrees-of-freedom full car model and a 20 degrees-of-freedom anti-pitch anti-roll hydraulically interconnected suspension model dynamically coupled together through boundary conditions are developed and used to evaluate vehicle handing dynamic responses under steering/braking maneuvers. The modeling of mechanical subsystem is established based on the Newton’s second law and the fluid subsystem is modelled using a nonlinear finite-element approach. A motion-mode energy method (MEM) based on the calculation of the motion-mode energy is employed to investigate the effects of an anti-pitch anti-roll hydraulically interconnected suspension (AAHIS) system on vehicle body-wheel motion-mode energy distribution. The performance of AAHIS system and its contribution to the vehicle body-wheel motion-mode energy distribution are demonstrated under combined steering and braking maneuvers. The dynamic response of AAHIS system shows enhanced handling and ride performance as well as improved vehicle anti-roll and anti-pitch properties.


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    Titel :

    Enhanced Vehicle Handling and Ride through Anti-Pitch Anti-Roll Hydraulically Interconnected Suspension


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Naghdy, Fazel (Autor:in) / Du, Haiping (Autor:in) / Shao, Xinxin (Autor:in)

    Kongress:

    SAE 2016 World Congress and Exhibition ; 2016



    Erscheinungsdatum :

    05.04.2016




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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