This paper presents an analytical model for the evaluation of the distribution of the absorbed power and how the body reacts to the road excitation. 'Absorbed power' is a popular method used to evaluate ride comfort. Since Pradko and Lee introduced it in 1960's (1,2), researchers focused on the 'absorbed power' transmitted to the body as a single indicator of body tolerance and fatigue. How the body absorbs energy and how it distributes it remains a mystery. This paper attempts to shed some light on how this energy is transmitted to different parts of the body and what is at stake when the input conditions change. A six degree of freedom (dof) lumped mass model was developed to investigate the energy absorption and the work performed by the muscles (springs and dampers) during a rough ride. A better understanding of the energy flow between the body segments may give us an idea on how the seat and its suspension should be designed.


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    Title :

    Analysis of absorbed power distribution in ride dynamics - evaluation of driver's comfort


    Contributors:
    Tong, R.T. (author) / Amirouche, F. (author) / Nishiyama, S. (author)


    Publication date :

    1999


    Size :

    8 Seiten, 28 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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