An experimentally verified model of a membrane mirror strip actuated using piezoelectric bimorph
An experimentally verified model of a membrane mirror strip actuated using piezoelectric bimorph
The behavior of a membrane mirror strip actuated using a piezoelectric bimorph is treated. An improved model for the transverse vibration is presented. The model accounts for the changes in physical properties of the membrane strip at the location of the piezoelectric bimorph. The membrane strip is modeled as a pinned-pinned beam under tension and the finite element method (FEM) is used to represent the system mathematically. The beam under tension assumption allows accounting for the traveling wave effect experienced by a membrane strip and the added flexural rigidity induced by the piezoelectric bimorph. Additionally, the structural and air damping effects are included in the model. An experimental setup is built to verify the proposed model. The frequency response obtained from the proposed model is shown to be in agreement with conducted experiments. Furthermore, the importance of including local mass and stiffness effects is demonstrated
631-640
Renno, Jamil M.
132f3c49-a612-4ccc-8772-293c8e015d1c
Inman, Daniel J.
e7a193c3-1285-415c-9f40-404ce6823a7d
2007
Renno, Jamil M.
132f3c49-a612-4ccc-8772-293c8e015d1c
Inman, Daniel J.
e7a193c3-1285-415c-9f40-404ce6823a7d
Renno, Jamil M. and Inman, Daniel J.
(2007)
An experimentally verified model of a membrane mirror strip actuated using piezoelectric bimorph.
Journal of Vibration and Acoustics, 129 (5), .
(doi:10.1115/1.2756843).
Abstract
The behavior of a membrane mirror strip actuated using a piezoelectric bimorph is treated. An improved model for the transverse vibration is presented. The model accounts for the changes in physical properties of the membrane strip at the location of the piezoelectric bimorph. The membrane strip is modeled as a pinned-pinned beam under tension and the finite element method (FEM) is used to represent the system mathematically. The beam under tension assumption allows accounting for the traveling wave effect experienced by a membrane strip and the added flexural rigidity induced by the piezoelectric bimorph. Additionally, the structural and air damping effects are included in the model. An experimental setup is built to verify the proposed model. The frequency response obtained from the proposed model is shown to be in agreement with conducted experiments. Furthermore, the importance of including local mass and stiffness effects is demonstrated
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Published date: 2007
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Local EPrints ID: 71467
URI: http://eprints.soton.ac.uk/id/eprint/71467
ISSN: 1048-9002
PURE UUID: a5fb4e51-01c2-416a-b806-0f7b2d178a2c
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Date deposited: 12 Feb 2010
Last modified: 13 Mar 2024 20:27
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Author:
Jamil M. Renno
Author:
Daniel J. Inman
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