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Proceedings Paper

Micro inchworm robot actuated by artificial muscle actuator based on nonprestrained dielectric elastomer
Author(s): Kwangmok Jung; Jaedo Nam; Youngkwan Lee; Hyoukryeol Choi
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Paper Abstract

In this paper, we present a novel actuation method employing dielectric elastomer and a micro--inchworm robot actuated by the proposed method. Different from the previous approaches adopting pretensions of dielectric elastomer, the method depends solely on the deformation caused by the Maxwell stress, and thus, their critical problem such as stress relaxation as time goes on is cleared, though the amount of deformation is largely reduced. In addition, the proposed actuation method provides advantageous features of reduction in size, speed of response, ruggedness in operation. Using the actuator, a three-degree-of-freedom actuator module is developed, which can provide up-down, and two rotational degree-of-freedom motion. In the application of the proposed actuation method, a micro-robot mimicking the motion of an inchworm is developed.

Paper Details

Date Published: 27 July 2004
PDF: 11 pages
Proc. SPIE 5385, Smart Structures and Materials 2004: Electroactive Polymer Actuators and Devices (EAPAD), (27 July 2004); doi: 10.1117/12.539726
Show Author Affiliations
Kwangmok Jung, Sungkyunkwan Univ. (South Korea)
Jaedo Nam, Sungkyunkwan Univ. (South Korea)
Youngkwan Lee, Sungkyunkwan Univ. (United States)
Hyoukryeol Choi, Sungkyunkwan Univ. (South Korea)


Published in SPIE Proceedings Vol. 5385:
Smart Structures and Materials 2004: Electroactive Polymer Actuators and Devices (EAPAD)
Yoseph Bar-Cohen, Editor(s)

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