Piezoelectric sensor for beam vibration control

Chan-Shin Chou; Yuan-Jui Chia

doi:10.1117/12.240823

31 May 1996 Piezoelectric sensor for beam vibration control

Chan-Shin Chou, Yuan-Jui Chia

Proceedings Volume 2715, Smart Structures and Materials 1996: Mathematics and Control in Smart Structures; (1996) https://doi.org/10.1117/12.240823
Event: 1996 Symposium on Smart Structures and Materials, 1996, San Diego, CA, United States

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.

Citation Download Citation

Chan-Shin Chou and Yuan-Jui Chia "Piezoelectric sensor for beam vibration control", Proc. SPIE 2715, Smart Structures and Materials 1996: Mathematics and Control in Smart Structures, (31 May 1996); https://doi.org/10.1117/12.240823

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