The current paper presents an integrated control strategy to improve rollover stability of a vehicle by considering chassis key subsystems. In order to achieve this goal, a quantitative study on control authority and the effective working region of active front steering (AFS), active braking (AB), and active suspension (AS) control for rollover prevention is carried out based on a full vehicle model which includes the non-linear tyre model and the effect of dynamic coupling. After investigating the control authority and effective working area of AFS, AB, and AS subsystems, an integrated control strategy for rollover stability is formulated. In this formulating process, the control strategy for each subsystem is also designed by considering its contribution to rollover stability. A comparison between the proposed integrated control strategy and the single control action of each subsystem is made through computer simulation. It is demonstrated that both anti-rollover ability and lateral stability are greatly improved by implementing the proposed integrated control scheme. Specifically, the peak of roll angle and the root mean square (RMS) of side slip angle with integrated control are reduced by 38.9 per cent and 47.1 per cent, respectively, relative to those of the passive system.


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    Titel :

    Contribution of chassis key subsystems to rollover stability control


    Beteiligte:
    Lu, S-B (Autor:in) / Li, Y-N (Autor:in) / Choi, S-B (Autor:in)


    Erscheinungsdatum :

    2012-04-01


    Format / Umfang :

    15 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Unbekannt




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