Measuring Vibration on Soft Seats 770253

Two experiments have been conducted to assess a method of measuring the whole-body vertical vibration experienced by persons seated on soft seats. The method utilises a transducer mount located between the seat and the body.
Comfort contours obtained on hard flat seats are shown to be applicable to measurements made within a firm bar or plate placed on a cushion beneath the ischial tuberosities of a seated subject. However, since some mounts alter seat transmissibility a firm plate (SIT-BAR) contoured to cause seat compression similar to that produced by the buttocks is recommended for some applications.


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