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6 April 2006Analytical model for actuation displacement prediction of unimorph piezoelectric composite actuators
In this study, we derive an analytical solution for the simply supported and multilayered unimorph piezoelectric composite actuator as a beam model under applied voltage and external mechanical loads. The obtained solutions based on Rayleigh-Ritz technique including thermal effect and piezo-mechanical coupling effect show their convenience in various problems with different loading and boundary conditions. The von-Karman nonlinear terms in strain-displacement relations is also taken into account in the model. As a numerical illustration, model of LIPCA-C3 (LIghtweight Piezo-Composite Actuator) is analyzed. The results are compared with finite element analysis and experiment ones. Discussion on the approach and suggestions for future research activities are also presented.
Ngoc-Trung Nguyen andKwang-Joon Yoon
"Analytical model for actuation displacement prediction of unimorph piezoelectric composite actuators", Proc. SPIE 6170, Smart Structures and Materials 2006: Active Materials: Behavior and Mechanics, 617027 (6 April 2006); https://doi.org/10.1117/12.657924
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Ngoc-Trung Nguyen, Kwang-Joon Yoon, "Analytical model for actuation displacement prediction of unimorph piezoelectric composite actuators," Proc. SPIE 6170, Smart Structures and Materials 2006: Active Materials: Behavior and Mechanics, 617027 (6 April 2006); https://doi.org/10.1117/12.657924