A new adaptive resonance frequency of piezoelectric components used for vibration damping

Abstract : This paper describes two methods for vibration damping in a broad band frequency range using a piezoelectric patch. The first method, applied to an adaptive device, uses a bias (static voltage control), which applies stresses or releases stresses in a piezoelectric component to modify its mechanical characteristics and thereby its resonance frequency. The second method is based on a semipassive approach [synchronized switch damping (SSD)], developed to control structural vibration damping using a piezoelec-tric component. Attenuations of 10 and 4.8 dB in vibration velocity have been obtained using the adaptive frequency and SSD methods.
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A. Faiz, L. Petit, D. Guyomar, Joël Ducourneau. A new adaptive resonance frequency of piezoelectric components used for vibration damping. Journal of the Acoustical Society of America, Acoustical Society of America, 2010, 127 (4), pp.EL134-EL139. ⟨10.1121/1.3327238⟩. ⟨hal-01755232⟩

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