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

Adil Faiz | Zendy; Laurent Petit | Zendy; Daniel Guyomar | Zendy; Joël Ducourneau | Zendy

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

Author(s) -

Adil Faiz,

Laurent Petit,

Daniel Guyomar,

Joël Ducourneau

Publication year - 2010

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.619

H-Index - 187

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/1.3327238

Subject(s) - piezoelectricity , vibration , acoustics , resonance (particle physics) , component (thermodynamics) , frequency band , range (aeronautics) , piezoelectric sensor , vibration control , materials science , voltage , physics , computer science , bandwidth (computing) , telecommunications , particle physics , composite material , thermodynamics , quantum mechanics

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 piezoelectric 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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