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Dielectric Elastomer Actuator for Soft Robotics Applications and Challenges

Department of Mechanical Engineering, Human-Robot Interaction Laboratory, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
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Appl. Sci. 2020, 10(2), 640; https://doi.org/10.3390/app10020640
Received: 16 November 2019 / Revised: 11 January 2020 / Accepted: 13 January 2020 / Published: 16 January 2020
(This article belongs to the Special Issue Soft Robotics: New Design, Control, and Application)
This paper reviews state-of-the-art dielectric elastomer actuators (DEAs) and their future perspectives as soft actuators which have recently been considered as a key power generation component for soft robots. This paper begins with the introduction of the working principle of the dielectric elastomer actuators. Because the operation of DEA includes the physics of both mechanical viscoelastic properties and dielectric characteristics, we describe theoretical modeling methods for the DEA before introducing applications. In addition, the design of artificial muscles based on DEA is also introduced. This paper reviews four popular subjects for the application of DEA: soft robot hand, locomotion robots, wearable devices, and tunable optical components. Other potential applications and challenging issues are described in the conclusion. View Full-Text
Keywords: dielectric elastomer; principle; modeling; artificial muscle; soft robot dielectric elastomer; principle; modeling; artificial muscle; soft robot
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Youn, J.-H.; Jeong, S.M.; Hwang, G.; Kim, H.; Hyeon, K.; Park, J.; Kyung, K.-U. Dielectric Elastomer Actuator for Soft Robotics Applications and Challenges. Appl. Sci. 2020, 10, 640.

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