Document Detail


A new adaptive resonance frequency of piezoelectric components used for vibration damping.
MedLine Citation:
PMID:  20369980     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
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.
Authors:
A Faiz; L Petit; D Guyomar; J Ducourneau
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of the Acoustical Society of America     Volume:  127     ISSN:  1520-8524     ISO Abbreviation:  J. Acoust. Soc. Am.     Publication Date:  2010 Apr 
Date Detail:
Created Date:  2010-04-07     Completed Date:  2010-07-06     Revised Date:  2010-09-30    
Medline Journal Info:
Nlm Unique ID:  7503051     Medline TA:  J Acoust Soc Am     Country:  United States    
Other Details:
Languages:  eng     Pagination:  EL134-9     Citation Subset:  IM    
Affiliation:
Laboratoire de Biophysique Audioprothese, Faculte de Pharmacie, Nancy University, Nancy 54000, France. adil.faiz@pharma.uhp-nancy.fr
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MeSH Terms
Descriptor/Qualifier:
Acoustics / instrumentation*
Amplifiers, Electronic
Electric Capacitance
Electric Impedance
Equipment Design
Models, Theoretical*
Nonlinear Dynamics
Signal Processing, Computer-Assisted*
Sound*
Stress, Mechanical
Transducers
Vibration*
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