This paper reviews existing approaches to the estimation of the state of wear of an automotive damper, with the aim of developing a methodology for a quick and effective diagnostic procedure that could be carried out in any repair facility. It has always been desirable to leave the shock absorber in place at the time of such testing, and there are three general procedures that claim to be effective at determining damper wear. This research investigates a method of controlling a short drop of each corner of the vehicle while measuring the acceleration. The acceleration data is then analyzed with the aim of estimating the decay rate of the resulting oscillation, which is known to be related to the damping ratio of the suspension system. The rate of decay is then used to infer the condition of the vehicles damper. The paper reviews the state of the art, describes the methodology and presents experimental validation of a new concept.


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    Titel :

    Analysis of Automotive Damper Data and Design of a Portable Measurement System


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Soliman, Ahmed (Autor:in) / Butler, Don (Autor:in) / Rizzoni, Giorgio (Autor:in) / Malmedahl, Grant (Autor:in) / Shively, Jim (Autor:in) / Guba, Steve (Autor:in)

    Kongress:

    SAE 2005 World Congress & Exhibition ; 2005



    Erscheinungsdatum :

    2005-04-11




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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