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Monotony as Possible Cause of Change of Body Segment Transfer Function while Vehicle Driving
Drahorádová, Radka ; Jelen, Karel (advisor) ; Lopot, František (referee)
Work objectives : Determination of body segment transfer function as a vibration response depends on vibration-loading time. Determination of transfer function in limited frequency range coresponding with thesis scope, representing vibration loading in the best way (for example car driving). Methods : Transfer functions were set by experimental measuring in laboratory and in situ, while vehicle driving. Measuring were realized in two times, before and after vibration loading of body segment. Results of each measuring were compared with others. Results : By comparing measuring results it is obvious that body response values are lower after aplication of vibration loading than before. Subsequently, stiffness of analysed body segment increases with rising length of loading, eg. body fatigue. Measuring results show, moreover that transfer function is considerably influenced by body posture, respectively by its position. Key words : monotony, transfer function, vibrations
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