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dc.contributor.author윤종헌-
dc.date.accessioned2018-06-04T06:21:45Z-
dc.date.available2018-06-04T06:21:45Z-
dc.date.issued2017-03-
dc.identifier.citationSMART MATERIALS AND STRUCTURES, v. 26, No. 4, Article no. 045032en_US
dc.identifier.issn0964-1726-
dc.identifier.issn1361-665X-
dc.identifier.urihttp://iopscience.iop.org/article/10.1088/1361-665X/aa64ca/meta-
dc.identifier.urihttp://repository.hanyang.ac.kr/handle/20.500.11754/71826-
dc.description.abstractWe developed a skin-conformal flexible sensor in which three-dimensional (3D) free-form elastomeric sheets were harmoniously integrated with a piezoelectric nanofiber mat. The elastomeric sheets were produced by polydimethylsiloxane (PDMS) molding via using a 3D printed mold assembly, which was adaptively designed from 3D scanned skin surface geometry. The mold assembly, fabricated using a multi-material 3D printer, was composed of a pair of upper/lower mold parts and an interconnecting hinge, with material properties are characterized by different flexibilities. As a result of appropriate deformabilites of the upper mold part and hinge, the skin-conformal PDMS structures were successfully sandwich molded and demolded with good repeatability. An electrospun poly(vinylidene fluoride trifluoroethylene) nanofiber mat was prepared as the piezoelectric active layer and integrated with the 3D elastomeric parts. We confirmed that the highly responsive sensing performances of the 3D integrated sensor were identical to those of a flat sensor in terms of sensitivity and the linearity of the input-output relationship. The close 3D conformal skin contact of the flexible sensor enabled discernable perception of various scales of physical stimuli, such as tactile force and even minute skin deformation caused by the tester's pulse. Collectively from the 3D scanning design to the practical application, our achievements can potentially meet the needs of tailored human interfaces in the field of wearable devices and human-like robots.en_US
dc.description.sponsorshipThis work was supported by the R&D Convergence Program of the MSIP (Ministry of Science, ICT and Future Planning) and NST (National Research Council of Science & Technology) of the Republic of Korea (Grant CAP-13-1-KITECH) as well as a KITECH (Korea Institute of Industrial Technology) internal project.en_US
dc.language.isoen_USen_US
dc.publisherIOP PUBLISHING LTDen_US
dc.subject3D printingen_US
dc.subject3D scanningen_US
dc.subjectPDMS moldingen_US
dc.subjectelectrospinningen_US
dc.subjectpiezoelectric systemen_US
dc.title3D customized and flexible tactile sensor using a piezoelectric nanofiber mat and sandwich-molded elastomer sheetsen_US
dc.typeArticleen_US
dc.relation.no4-
dc.relation.volume26-
dc.identifier.doi10.1088/1361-665X/aa64ca-
dc.relation.page1-5-
dc.relation.journalSMART MATERIALS AND STRUCTURES-
dc.contributor.googleauthorLee, Han Bit-
dc.contributor.googleauthorKim, Young Won-
dc.contributor.googleauthorYoon, Jonghun-
dc.contributor.googleauthorLee, Nak Kyu-
dc.contributor.googleauthorPark, Suk-Hee-
dc.relation.code2017000044-
dc.sector.campusE-
dc.sector.daehakCOLLEGE OF ENGINEERING SCIENCES[E]-
dc.sector.departmentDEPARTMENT OF MECHANICAL ENGINEERING-
dc.identifier.pidjyoon-
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MECHANICAL ENGINEERING(기계공학과) > Articles
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