Active vibration control using noncollocated piezoelectric film sensor/actuator

Tsutomu Nishigaki

doi:10.1117/12.882098

27 April 2011 Active vibration control using noncollocated piezoelectric film sensor/actuator

Tsutomu Nishigaki

Proceedings Volume 7977, Active and Passive Smart Structures and Integrated Systems 2011; 79772L (2011) https://doi.org/10.1117/12.882098
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2011, San Diego, California, United States

Abstract

In order to overcome the difficulties of multimodal active vibration damping of the flexible thin structure using simultaneous piezoelectric sensing and actuation, an noncollocated vibration control method, in which piezoelectric film sensors and actuators were shaped using different shaping functions, was proposed in this paper. At first, fundamental equations were summarized and vibration responses of the beam were derived based on the modal coordinate systems. Then, it was shown that by considering phase characteristics of the controller in conjunctions with the polarity of the piezofims in high order modal frequencies, multimodal control will be implemented both theoretically and experimentally.

Citation Download Citation

Tsutomu Nishigaki "Active vibration control using noncollocated piezoelectric film sensor/actuator", Proc. SPIE 7977, Active and Passive Smart Structures and Integrated Systems 2011, 79772L (27 April 2011); https://doi.org/10.1117/12.882098

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