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Control of Thermally-Induced Structural Vibrations via Piezoelectric Pulses
Abstract Numerous investigations have demonstrated the feasibility of employing piezoelectric elements for active control of structural systems. Attenuation of structural vibrations, for example, can be achieved through application of an appropriate electric field to piezoelectric actuators incorporated within the structure. The dynamic behavior of composite beams having piezoelectric layers was examined by Abramovich and Livshits [1]. Bruch et al. [2] investigated the problem of actively controlling the transient vibrations of a simply supported beam reinforced with piezoelectric actuators. In the case of a beam exposed to a thermal environment, Rao and Sunar [3] analyzed vibration sensing and control of a cantilever thermoelastic beam having two PVDF layers functioning as the distributed sensor and actuator. Tzou and Ye [4] investigated distributed control of a PZT/steel laminated beam subjected to a steady-state temperature gradient. Lee and Saravanos [5] considered the response of a graphite/epoxy beam with piezoceramic actuators; they demonstrated the capability of suppressing deflections caused by thermal gradients. Tauchert et al. [6] studied piezocontrol of forced vibrations of a thermoelastic beam. Chandrashekhara and Tenneti [7] developed a finite-element model for active control of thermally-induced vibrations of laminated plates; they presented numerical results for the case of a temperature field having a linear variation in the thickness direction. Other studies on the control of composite structures via piezoelectric actuation are reviewed in [8].
Control of Thermally-Induced Structural Vibrations via Piezoelectric Pulses
Abstract Numerous investigations have demonstrated the feasibility of employing piezoelectric elements for active control of structural systems. Attenuation of structural vibrations, for example, can be achieved through application of an appropriate electric field to piezoelectric actuators incorporated within the structure. The dynamic behavior of composite beams having piezoelectric layers was examined by Abramovich and Livshits [1]. Bruch et al. [2] investigated the problem of actively controlling the transient vibrations of a simply supported beam reinforced with piezoelectric actuators. In the case of a beam exposed to a thermal environment, Rao and Sunar [3] analyzed vibration sensing and control of a cantilever thermoelastic beam having two PVDF layers functioning as the distributed sensor and actuator. Tzou and Ye [4] investigated distributed control of a PZT/steel laminated beam subjected to a steady-state temperature gradient. Lee and Saravanos [5] considered the response of a graphite/epoxy beam with piezoceramic actuators; they demonstrated the capability of suppressing deflections caused by thermal gradients. Tauchert et al. [6] studied piezocontrol of forced vibrations of a thermoelastic beam. Chandrashekhara and Tenneti [7] developed a finite-element model for active control of thermally-induced vibrations of laminated plates; they presented numerical results for the case of a temperature field having a linear variation in the thickness direction. Other studies on the control of composite structures via piezoelectric actuation are reviewed in [8].
Control of Thermally-Induced Structural Vibrations via Piezoelectric Pulses
Tauchert, Theodore R. (author) / Ashida, Fumihiro (author)
2003-01-01
12 pages
Article/Chapter (Book)
Electronic Resource
English
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