A new portable ride comfort meter was developed, which gives a new index called “VN” (Vibration Number) as an objective measure of ride comfort of passenger cars.In order to develop this apparatus, the subjective evaluation test on whole-body vibration was carried out using the dual axis vibration table.This ride comfort meter is composed of a calculator for converting measured vibration inputs to a human body into “VN”, three accelerometers connected to the calculator and weighting filters for adjusting an accelerometer output to vibration feeling. One accelerometer detects a vertical vibration input at seat cushion, another detects a vertical vibration input at feet and the other detects a lateral vibration input at seat back.The VN index indicated by the apparatus is fixed at zero corresponding to the threshold of seated person to vertical vibration in case when no vibration exists at feet and seat back, and fixed at one hundred corresponding to the short time exposure limit.The VN index was strongly correlated with the subjective rating of ride comfort.


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    Titel :

    A New Ride Comfort Meter


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    SAE International Congress and Exposition ; 1986



    Erscheinungsdatum :

    1986-03-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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