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Integrated static and dynamic modeling of an ionic polymer-metal composite actuator

Abstract : Ionic polymer-metal composites have been widely used as actuators for robotic systems. In this article, we investigate and verify the characteristics of ionic polymer-metal composite actuators experimentally and theoretically. Two analytical models are utilized to analyze the performance of ionic polymer-metal composites: a linear irreversible electrodynamical model and a dynamic model. We find that the first model accurately predicts the static characteristics of the ionic polymer-metal composite according to the Onsager equations, while the second model is able to reveal the back relaxation characteristics of the ionic polymer-metal composite. We combine the static and dynamic models of the ionic polymer-metal composite and derive the transfer function for the ionic polymer-metal composite's mechanical response to an electrical signal. A driving signal with a smooth slope and a low frequency is beneficial for the power efficiency.
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https://hal.archives-ouvertes.fr/hal-01006050
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Submitted on : Friday, June 13, 2014 - 3:50:14 PM
Last modification on : Thursday, February 7, 2019 - 2:35:48 PM
Long-term archiving on: : Tuesday, April 11, 2017 - 6:56:48 AM

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An-Bang Sun, Damienne Bajon, Jean-Marc Moschetta, Emmanuel Benard, Chinnapat Thipyopas. Integrated static and dynamic modeling of an ionic polymer-metal composite actuator. Journal of Intelligent Material Systems and Structures, SAGE Publications, 2014, ⟨10.1177/1045389X14538528⟩. ⟨hal-01006050⟩

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