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Efficient active actuation to imitate locomotion of gecko's toes using an ionic polymer-metal composite actuator enhanced by carbon nanotubes
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10.1063/1.4756999
/content/aip/journal/apl/101/16/10.1063/1.4756999
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/16/10.1063/1.4756999
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Locomotion of gecko's toes and IPMC actuation. (a) Toe extension; (b) toe crimping; (c) actuation mechanism of an IPMC.

Image of FIG. 2.
FIG. 2.

Actuation performance of the MWCNT/Nafion IPMC. (a) Schematic illustration of the test apparatus; (b) image of the tip displacement of the IPMC; (c) blocking forces of Nafion IPMC and MWCNT/Nafion-IPMC; (d) cantilever model based on the actuation principle of the actuator.

Image of FIG. 3.
FIG. 3.

(a) Relationship between the normal force and the shear strength of the gecko foot moving at the wall. The normal preload is around 10 mN; (b) the MWCNT/Nafion-IPMC lifting a 1-gf counterweight up and down.

Image of FIG. 4.
FIG. 4.

Gecko-inspired adhesive arrays actuated by an IPMC. (a) Schematic illustration of the actuation structure; (b) the adhesive arrays; (c) normal adhesion force of active actuation (voltages: 1.5, 2, and 3 V, frequency: 0.1 Hz, wave: sinusoidal).

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/content/aip/journal/apl/101/16/10.1063/1.4756999
2012-10-15
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Efficient active actuation to imitate locomotion of gecko's toes using an ionic polymer-metal composite actuator enhanced by carbon nanotubes
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/16/10.1063/1.4756999
10.1063/1.4756999
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