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Ko, Hyunhyub
Functional Nanomaterials & Devices Lab.
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dc.citation.endPage 25473 -
dc.citation.number 10 -
dc.citation.startPage 25463 -
dc.citation.title SENSORS -
dc.citation.volume 15 - Jung, Youngdo - Lee, Duck-Gyu - Park, Jonghwa - Ko, Hyunhyub - Lim, Hyuneui - 2023-12-22T00:40:24Z - 2023-12-22T00:40:24Z - 2015-10-29 - 2015-10 -
dc.description.abstract Flexible tactile sensors capable of detecting the magnitude and direction of the applied force together are of great interest for application in human-interactive robots, prosthetics, and bionic arms/feet. Human skin contains excellent tactile sensing elements, mechanoreceptors, which detect their assigned tactile stimuli and transduce them into electrical signals. The transduced signals are transmitted through separated nerve fibers to the central nerve system without complicated signal processing. Inspired by the function and organization of human skin, we present a piezoresistive type tactile sensor capable of discriminating the direction and magnitude of stimulations without further signal processing. Our tactile sensor is based on a flexible core and four sidewall structures of elastomer, where highly sensitive interlocking piezoresistive type sensing elements are embedded. We demonstrate the discriminating normal pressure and shear force simultaneously without interference between the applied forces. The developed sensor can detect down to 128 Pa in normal pressure and 0.08 N in shear force, respectively. The developed sensor can be applied in the prosthetic arms requiring the restoration of tactile sensation to discriminate the feeling of normal and shear force like human skin. -
dc.identifier.bibliographicCitation SENSORS, v.15, no.10, pp.25463 - 25473 -
dc.identifier.doi 10.3390/s151025463 -
dc.identifier.issn 1424-8220 -
dc.identifier.scopusid 2-s2.0-84943427340 -
dc.identifier.uri -
dc.identifier.url -
dc.identifier.wosid 000364242300040 -
dc.language 영어 -
dc.publisher MDPI AG -
dc.title Piezoresistive tactile sensor discriminating multidirectional forces -
dc.type Article -
dc.description.isOpenAccess TRUE -
dc.relation.journalWebOfScienceCategory Chemistry, Analytical; Engineering, Electrical & Electronic; Instruments & Instrumentation -
dc.relation.journalResearchArea Chemistry; Engineering; Instruments & Instrumentation -
dc.description.journalRegisteredClass scie -
dc.description.journalRegisteredClass scopus -
dc.subject.keywordAuthor Carbon nanotube -
dc.subject.keywordAuthor Interlocking microdome -
dc.subject.keywordAuthor Multidirectional detection -
dc.subject.keywordAuthor Piezoresistive -
dc.subject.keywordAuthor Shear force -
dc.subject.keywordAuthor Tactile sensor -
dc.subject.keywordPlus RESSURE SENSORS -
dc.subject.keywordPlus ELECTRONIC SKIN -
dc.subject.keywordPlus COMPOSITE -
dc.subject.keywordPlus MATRIX -
dc.subject.keywordPlus SHEAR -


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