Modeling and control of smart structures with bonded piezoelectric sensors and actuators: a passivity approach

Padma Akella; Xin Chen; Declan C. Hughes; John T. Wen

doi:10.1117/12.174203

1 May 1994 Modeling and control of smart structures with bonded piezoelectric sensors and actuators: a passivity approach

Padma Akella, Xin Chen, Declan C. Hughes, John T. Wen

Author Affiliations +

Proceedings Volume 2192, Smart Structures and Materials 1994: Mathematics and Control in Smart Structures; (1994) https://doi.org/10.1117/12.174203
Event: 1994 North American Conference on Smart Structures and Materials, 1994, Orlando, FL, United States

Abstract

Smart structure has become an increasingly common term describing a structure embedded or bonded with a large number of lightweight active electro-mechanical sensors and actuators. In this paper, we consider the modeling and control issues related to smart structures bonded with piezoelectric sensors and actuators from the passivity viewpoint. We show that when a piezoelectric patch is used both as an actuator and a sensor, the mapping from the voltage input to current output is passive, which implies that any strictly passive feedback controllers are stabilizing. Issues related to the design of the passive feedback controller with performance optimization and controller order reduction are investigated.

Citation Download Citation

Padma Akella, Xin Chen, Declan C. Hughes, and John T. Wen "Modeling and control of smart structures with bonded piezoelectric sensors and actuators: a passivity approach", Proc. SPIE 2192, Smart Structures and Materials 1994: Mathematics and Control in Smart Structures, (1 May 1994); https://doi.org/10.1117/12.174203

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