Actuator model of electrostrictive polymers (EPs) for microactuators

Hunmo Kim; Sinjong Oh; Kyoil Hwang; Hyoukryeol Choi; Jaewook Jeon; Jaedo Nam

doi:10.1117/12.432681

16 July 2001 Actuator model of electrostrictive polymers (EPs) for microactuators

Hunmo Kim, Sinjong Oh, Kyoil Hwang, Hyoukryeol Choi, Jaewook Jeon, Jaedo Nam

Proceedings Volume 4329, Smart Structures and Materials 2001: Electroactive Polymer Actuators and Devices; (2001) https://doi.org/10.1117/12.432681
Event: SPIE's 8th Annual International Symposium on Smart Structures and Materials, 2001, Newport Beach, CA, United States

Abstract

Recently, Electrostrictive polymers (EPs) are studied for micro-actuator, because of similarity of body tissue. Electrostrictive polymers (EPs) are based on the deformation of dielectric elastomer polymer in the presence of an electric field. Modeling of electrostrictive polymer has been studied, which is about voltage and displacement. And there are many parameters such as Young's modulus, voltage, thickness of EPs, pre-strain, dielectric, frequency and temperature which effect to movement of EPs. To do exact modeling, all parameters are included. In order to use as actuator, we accurately understood about the parameter that we refer above. And we have to execute modeling which parameters are considered. We used FEM in order to understand effects of parameters. Specially, because of pre-strain effects are very important, we derive the relations of stress and strain by using elastic strain energy.

Citation Download Citation

Hunmo Kim, Sinjong Oh, Kyoil Hwang, Hyoukryeol Choi, Jaewook Jeon, and Jaedo Nam "Actuator model of electrostrictive polymers (EPs) for microactuators", Proc. SPIE 4329, Smart Structures and Materials 2001: Electroactive Polymer Actuators and Devices, (16 July 2001); https://doi.org/10.1117/12.432681

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