Fothergill, L. C. and Griffin, M. J. (1977) The evaluation of discomfort produced by multiple frequency whole-body vibration. Ergonomics, 20 (3), 263-276. (doi:10.1080/00140137708931626).
Abstract
The discomfort produced by multiple frequency whole-body vertical vibration has been studied in three expriments. Subjects were required to adjust the level of a 10 Hz sinusoidal vibration such that it produced a degree of discomfort equivalent to that caused by a variety of multiple frequency stimuli including motions containing predominant beats and up to four sinusoidal components. The levels of the 10 Hz vibration equivalent to the complex motions were always well predicted by the root mean square of the levels of 10 Hz equivalent to the individual sinusoidal components in the complex motion. Tho equivalent discomfort of the multiple frequency motions could therefore be determined by weighting the vibration spectrum with an electronic network having a frequency response given by the manner in which discomfort due to vibration varies with vibration frequency. The possibility of inhibition occurring in the response to multiple frequency motions was investigated and it was concluded that tho complexity inherent in methods based on models of inhibition was unnecessary. The present findings have been compared with the procedures for assessing multiple frequency motions given in the current International Standard on the evaluation of human exposure to whole-body vibration.
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- Faculties (pre 2018 reorg) > Faculty of Engineering and the Environment (pre 2018 reorg) > Inst. Sound & Vibration Research (pre 2018 reorg) > Human Sciences Group (pre 2018 reorg)
Current Faculties > Faculty of Engineering and Physical Sciences > School of Engineering > Institute of Sound and Vibration Research > Inst. Sound & Vibration Research (pre 2018 reorg) > Human Sciences Group (pre 2018 reorg)
Institute of Sound and Vibration Research > Inst. Sound & Vibration Research (pre 2018 reorg) > Human Sciences Group (pre 2018 reorg) - Faculties (pre 2018 reorg) > Faculty of Engineering and the Environment (pre 2018 reorg) > Southampton Marine & Maritime Institute (pre 2018 reorg)
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