Intelligent plate vibration control using piezoelectric sensors and actuators

Jun Yao

doi:10.1117/12.522073

2 September 2003 Intelligent plate vibration control using pizeoelectric sensors and actuators

Jun Yao

Proceedings Volume 5253, Fifth International Symposium on Instrumentation and Control Technology; (2003) https://doi.org/10.1117/12.522073
Event: Fifth International Symposium on Instrumentation and Control Technology, 2003, Beijing, China

Abstract

An experimental study for the active vibration control of intelligent structures subject to external excitations using piezoelectric sensors and actuators is presented. A simply supported intelligent plate is used as the controlled structures. A "Quasi-Independent Modal Space Control" technique is presented, attempting to approach, with hardware as simple as possible, the Independent Modal Space Control. Chirp sine citation is used as external excitation. In order to increase the adaptability, the time-domain modal identification technique is incorporated into the controller to real-time update the system parameters. The adaptive effectiveness of the time-domain modal identification technique is tested by fixing an additional mass on the simply supported plate to change its structural properties. The vibration suppression performances of the controller are 5.7 dB and 10.8 dB for the plate with/without the mass subject to a chirp sine excitation, respectively. The experiment progress and results show effectiveness and practicality of the control approach.

Citation Download Citation

Jun Yao "Intelligent plate vibration control using pizeoelectric sensors and actuators", Proc. SPIE 5253, Fifth International Symposium on Instrumentation and Control Technology, (2 September 2003); https://doi.org/10.1117/12.522073

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