Structural Vibration Suppression Using the Piezoelectric Sensors and Actuators

[+] Author and Article Information
Y. Y. Lee

Department of Building and Construction, City University of Hong Kong, Kowloon Tong, Kowloon, Hong Kong

J. Yao

The Solid Mechanics Research Center, Beijing University of Aeronautics and Astronautics, Beijing, China

J. Vib. Acoust 125(1), 109-113 (Jan 06, 2003) (5 pages) doi:10.1115/1.1523891 History: Received December 01, 2001; Revised August 01, 2002; Online January 06, 2003
Copyright © 2003 by ASME
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Experimental setup for the plate affixed with a mass of 450g (a) photo, (b) the locations of the sensors, actuators, mass, and driving point of the shaker
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Schematic diagram of a simply supported plate with PZT sensors and actuators. Only three actuators, two sensors and their gains are painted.
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The curved aircraft panel is bonded with piezoelectric actuators and sensors. The circle represents the excitation point. A1-A16 and S1-S8 are the labels of the sixteen actuators and eight sensors.
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Schematic of control system
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The time history of the open and closed loop responses of the curved panel
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Open and closed loop time-domain responses
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Open and closed loop frequency response functions




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