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

An-Bang Sun (1, 2) , Damienne Bajon (3) , Jean-Marc Moschetta (2) , Emmanuel Benard (2) , Chinnapat Thipyopas (4)

1 CWI - Centrum voor Wiskunde en Informatica
2 DAEP - Département Aérodynamique Energétique et Propulsion
3 DMIA - Département de Mathématiques, Informatique, Automatique
4 KU - Kasetsart University [Bangkok, Thailand]

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.

Mots clés: Ionic polymer-metal composite; Vehicle; Experimental exploration; Modeling; Efficiency

Domaines: Matériaux

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, 2014, ⟨10.1177/1045389X14538528⟩. ⟨hal-01006050⟩