Actuation of Electro-Active Artificial Muscle at Ultralow Frequency

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The electromechanical properties of an electro-active artificial muscle of poly(styrene-altmaleimide)/poly(vinylidene fluoride) with glycerol as a solvent at ultralow frequencies were investigated. Actuated at higher potentials and in the open air, the artificial muscle showed no back-relaxation, and the deformation increased steadily as long as the voltage was applied quasi-statically. Under a simple stimulus with such low frequency as 0.005Hz, the artificial muscle displayed excellent harmonic responses, and its actuation performance was observed to be improved continuously by a self-activating process along with the time increased. This is attributed to a combination effect resulting from the unique nanochannels of the ionic network polymer and the large inertia mass of the viscous glycerol.
Publisher
WILEY-BLACKWELL
Issue Date
2011-03
Language
English
Article Type
Article
Keywords

POLYMER-METAL COMPOSITES; EXCHANGE MEMBRANES; ELASTOMERS; SENSORS; NAFION

Citation

MACROMOLECULAR CHEMISTRY AND PHYSICS, v.212, no.6, pp.635 - 642

ISSN
1022-1352
DOI
10.1002/macp.201000739
URI
http://hdl.handle.net/10203/98880
Appears in Collection
ME-Journal Papers(저널논문)
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