AbstractBoth handling and ride comfort play an important role in the performance of a vehicle, usually resulting in a compromised suspension. To improve this situation, a two-stage, semi-active hydro-pneumatic spring–damper system has been developed. The suspension system enables either good ride comfort for a compliant suspension or good handling when changed to a hard setting. The question that arises is, what measures can be applied to determine when a switchover between the two settings should occur. The frequency weighted mean square value of the vertical acceleration is a well-known criterion for ride comfort. For handling, several criteria have been put forward, which are to a more or lesser extent dependent on driver input. This paper considers the metrics that have been used for measuring handling and pays special attention to roll angle as a valid criterion. Results of tests performed on three different vehicles are presented. The results indicate that roll angle, lateral acceleration and yaw rate are interrelated for the tracks investigated and this is apparently also true for severe handling manoeuvres such as the double lane change. These observations suggest that roll angle is a suitable metric to measure handling and that it can be used to determine the moment of switchover if limits of acceptability are set.


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    Title :

    Criteria for handling measurement


    Contributors:
    Uys, P.E. (author) / Els, P.S. (author) / Thoresson, M.J. (author)

    Published in:

    Publication date :

    2004-08-24


    Size :

    25 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




    Criteria for handling measurement

    Uys, P.E. / Els, P.S. / Thoresson, M.J. | Tema Archive | 2006


    Criteria for handling measurement

    Uys, P.E. | Online Contents | 2006


    Criteria for Handling measurement

    Uys,P.E. / Els,P.S. / Thoresson,M.J. et al. | Automotive engineering | 2006


    Handling criteria

    O'Hara, F. | Engineering Index Backfile | 1967