Analysis about a bio-mimetic three-layer skin pad structure that can improve the functionality of prosthetic hands = 의수의 기능성을 향상 시킬 수 있는 인체모사 3층 피부 구조체에 대한 분석

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Recently, a prosthetic hand is now popular to most amputee patients. There have been many researches to develop various mechanism. However, in contrast to the various mechanism, skin structure have been only considered for a cosmetic role. However, in the case of human hands, the mechanical properties of human skin is thought to contribute to the overall hand function. From this perspective, we developed three-layered skin pad structure which can improve the functionality of prosthetic hands. The properties of human skin was measured based on the skin pad model that has outer skin layer/subcutaneous fat layer/muscle layer. As a result, the non-linear stiffness characteristics of human skin pad was figured out. Based on this result, we suggested the three-layer skin structure, and verified its advantages on the functionality of prosthetic hands by finite element simulation and experiment. To evaluate the functionality, the stability and manipulability indexes was suggested through observing the responses against the external wrench while the object was grasped through the skin structure. Comparing with the conventional skin structure (single-layer) in various conditions, we verified that the suggested bio-mimetic three-layer skin pad structure could improve the stability and manipulability. Also, we verified that the stiffness change of conventional skin structure could not achieve these functionality.
Advisors
Park, Hyung-Soonresearcher박형순researcher
Description
한국과학기술원 :기계공학과,
Publisher
한국과학기술원
Issue Date
2018
Identifier
325007
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 기계공학과, 2018.2,[v, 57 p. :]

Keywords

Artificial skin▼aProsthetic hand▼aBio-mimetic▼aSilicone structure▼aMulti-layer structure; 인공 피부▼a의수▼a생체 모사▼a실리콘 구조체▼a다층 구조체

URI
http://hdl.handle.net/10203/265861
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=733763&flag=dissertation
Appears in Collection
ME-Theses_Master(석사논문)
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