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Proceedings Paper

Self-sensing of dielectric elastomer actuator
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Paper Abstract

In this paper, we introduce a novel, self-sensing technique for dielectric elastomer (DE) actuators which will adequately measure the in-situ impedance variation of the DE under a deformation. A standard signal processing technique was introduced to accurately mix and extract actuating and sensing signals. Although the technique is limited to the actuation-bandwidth of several tens of Hz, its practical use for applications and tests is attractive. With the proposed technique, the self-sensing actuation system was effectively demonstrated without using auxiliary sensors. The proposed technique is useful for many attractive robotic applications including space-limited micro-actuation systems and multi-DOF systems that use hyper redundant manipulators.

Paper Details

Date Published: 10 April 2008
PDF: 10 pages
Proc. SPIE 6927, Electroactive Polymer Actuators and Devices (EAPAD) 2008, 69271S (10 April 2008); doi: 10.1117/12.776831
Show Author Affiliations
Kwangmok Jung, Univ. of Nevada, Reno (United States)
Kwang J. Kim, Univ. of Nevada, Reno (United States)
Hyouk Ryeol Choi, Sungkyunkwan Univ. (South Korea)

Published in SPIE Proceedings Vol. 6927:
Electroactive Polymer Actuators and Devices (EAPAD) 2008
Yoseph Bar-Cohen, Editor(s)

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