This paper focusses on the applciation of the new design methdology used in mechanical vibraiton conftorl.THe majro case study concerns suppresion,through active contorl of seat suspension,of vibraitons perfceived by the operator of mobile heavy mahcinery.THe desing objecitves take into account comfort and safety o the human operator.The vibraitosn are not only externally excited from the vehicle-environment in teractivon,but also internally generated by yhte machinery driving systgms.Design constraints include economy the techical feasibility of the propsoed solution.
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