5 August 2003 Vibration isolation of beam structure using hybrid mount associated with rubber and piezoactuator
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Abstract
A hybrid mount featuring elastic rubber and piezoelectric material is proposed and applied to the vibration control of a beam structure subjected to high frequency excitations. A mechanical model of the proposed hybrid mount is derived, and then the frequency-dependent dynamic stiffness of rubber and the voltage-dependent stroke of piezoactuator are verified experimentally. After formulating a mathematical model of the beam structure associated with the hybrid mount and the passive rubber mounts, a robust sliding mode controller is designed to attenuate vibration of the beam structure. The controller is experimentally realized and control responses such as accelerations of the beam structure and force transmission through the hybrid mount and rubber mounts are presented in frequency domain.
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Seung-Bok Choi, Seung-Hwan Kim, and Sung-Ryong Hong "Vibration isolation of beam structure using hybrid mount associated with rubber and piezoactuator", Proc. SPIE 5056, Smart Structures and Materials 2003: Smart Structures and Integrated Systems, (5 August 2003); doi: 10.1117/12.483381; https://doi.org/10.1117/12.483381
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