6 April 2009 Distributed parameter system modeling of IPMC actuators with the electro-stress diffusion coupling theory
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Abstract
Toward the construction of the unified model of ionic polymer actuators, this paper discusses the system modeling with the electro-stress diffusion coupling theory. The theory can explain the differences of the relaxation phenomenon of polymer electrolytes with respect to the various counter ion species in the polymer. In addition to the mechanical system which employs a simple beam model, the electrical system and the electro-mechanical coupling systems are also represented by partial differential equations. The electrical system is modeled based on the non-uniform distributed circuit which represents the electrode roughness. The electro-mechanical coupling system is derived from the electro-stress diffusion coupling theory. The overall system is represented by a statespace equation with a feedback structure. The comparisons between the simulation result and the experimental result show the validity of the model.
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Kentaro Takagi, Takaaki Osada, Kinji Asaka, Yoshikazu Hayakawa, Zhi-Wei Luo, "Distributed parameter system modeling of IPMC actuators with the electro-stress diffusion coupling theory", Proc. SPIE 7287, Electroactive Polymer Actuators and Devices (EAPAD) 2009, 72871Q (6 April 2009); doi: 10.1117/12.816012; https://doi.org/10.1117/12.816012
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