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Proceedings Paper

Piezoelectric sensor for beam vibration control
Author(s): Chan-Shin Chou; Yuan-Jui Chia
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Paper Abstract

Piezoelectric sensor of a vibration control system is studied in this paper. The control system was based on the concept of active attenuation, the response of a structural elements can be cancelled by a control motion of opposite signature. The effectiveness of the control system was determined by the phases of the excited traveling wave and the control wave. It is found that the amplitude and phase of the sensed vibrational signal depends on the length of the piezoelectric sensor. The dependence of the phase and amplitude of the sensed vibrational signals on the length of piezoelectric sensors on a cantilevered beam were measured and compared with numerical results.

Paper Details

Date Published: 31 May 1996
PDF: 12 pages
Proc. SPIE 2715, Smart Structures and Materials 1996: Mathematics and Control in Smart Structures, (31 May 1996); doi: 10.1117/12.240823
Show Author Affiliations
Chan-Shin Chou, National Taiwan Univ. (Taiwan)
Yuan-Jui Chia, National Taiwan Univ. (Taiwan)

Published in SPIE Proceedings Vol. 2715:
Smart Structures and Materials 1996: Mathematics and Control in Smart Structures
Vasundara V. Varadan; Jagdish Chandra, Editor(s)

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