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Jeong, Hoon Eui
Multiscale Biomimetics & Manufacturing Lab
Research Interests
  • Biomimetics

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Highly flexible and self-adaptive dry adhesive end-effectors for precision robotics

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Title
Highly flexible and self-adaptive dry adhesive end-effectors for precision robotics
Author
Lee, Sung HoHwang, InsolKang, Bong SuJeong, Hoon EuiKwak, Moon Kyu
Issue Date
2019-08
Publisher
ROYAL SOC CHEMISTRY
Citation
SOFT MATTER, v.15, no.29, pp.5827 - 5834
Abstract
Many research groups have studied biomimetic functional surfaces for practical applications. Dry adhesives inspired by the gecko foot consist of hierarchical and numerous micro/nano hairs and can achieve pull-off strengths for vertical and shear adhesion of up to 20 N cm(-2). However, when detachment of the nearly dry adhesive is carried out by peeling, the pull-off strength of the dry adhesive in the tilted state is remarkably reduced. In this study, an enhanced pull-off strength dry adhesive in the tilted state was fabricated by using a strategy that reduces the restoring force from the bending moment. An experiment with various column-type dry adhesives was implemented to find the relation between the pull-off strength in the tilted state and the bending resistance of the dry adhesive. The feasibility of using a dry adhesive in the tilted state was observed through a glass-lifting experiment. This strategy could be widely utilized in many practical applications, such as robotics.
URI
https://scholarworks.unist.ac.kr/handle/201301/27387
URL
https://pubs.rsc.org/en/content/articlelanding/2019/SM/C9SM00431A#!divAbstract
DOI
10.1039/c9sm00431a
ISSN
1744-683X
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