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Volume 199, 2017
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Challenges in realizing a self-contained hydraulically-driven contractile fiber actuator

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Abstract

The field of soft robots would benefit from electrically controlled contractile actuators in the form of fibers that achieve a strain of 20% in less than a second while exerting high force. This work explores possible designs for achieving this goal using self-contained electroosmotic fluid pumping within a tube-shaped structure. The most promising configuration is a combination of a bellows and a McKibben-type muscle, since pumping fluid from the former to the latter results in contraction of both portions. Realizing such a device entails challenges in fabrication and electrokinetic fluid pumping in closed systems. Further studies of electroosmotic flow in salt-free organic solvents are needed.

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Publication details

The article was received on 21 Nov 2016, accepted on 16 Jan 2017 and first published on 04 May 2017


Article type: Paper
DOI: 10.1039/C6FD00235H
Citation: Faraday Discuss., 2017,199, 465-485
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    Challenges in realizing a self-contained hydraulically-driven contractile fiber actuator

    E. Smela, Faraday Discuss., 2017, 199, 465
    DOI: 10.1039/C6FD00235H

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