Abstract
Dynamic vibration absorbers (DVAs) have long been used to suppress excessive vibration in structural systems. This paper deals with a dynamic vibration absorber system comprising both a translational absorber and a rotational absorber for vibration control of a plate. First, it is proven that the combined translational and rotational DVAs of the absorbers with no damper can effectively isolate the vibration for a specific vibration control-area of the plate. Then, the damping’s role for the combined DVAs is investigated to facilitate increased robustness of the DVA system to withstand variation of excitation force frequency. The determined optimization is then performed, and used to find the optimum parameters for the combined DVAs.
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