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Recent Research Trend in Skin-Inspired Soft Sensors with Multimodality

피부 모사형 다기능 유연 센서의 연구 동향

  • Lee, Seung Goo (Department of Chemistry, University of Ulsan) ;
  • Choi, Kyung Ho (Research Institute of Clean Manufacturing System, Korea Institute of Industrial Technology) ;
  • Shin, Gyo Jic (Research Institute of Clean Manufacturing System, Korea Institute of Industrial Technology) ;
  • Lee, Hyo Sun (Research Institute of Clean Manufacturing System, Korea Institute of Industrial Technology) ;
  • Bae, Geun Yeol (Research Institute of Clean Manufacturing System, Korea Institute of Industrial Technology)
  • 이승구 (울산대학교 화학과) ;
  • 최경호 (한국생산기술연구원 청정기술연구소) ;
  • 신교직 (한국생산기술연구원 청정기술연구소) ;
  • 이효선 (한국생산기술연구원 청정기술연구소) ;
  • 배근열 (한국생산기술연구원 청정기술연구소)
  • Received : 2020.12.11
  • Published : 2020.12.31

Abstract

The skin-inspired multimodal soft sensors have been developed through multidisciplinary approaches to mimic the sensing ability with high sensitivity and mechanical durability of human skin. For practical application, although the stimulus discriminability against a complex stimulus composed of various mechanical and thermal stimuli experienced in daily life is essential, it still shows a low level actually. In this paper, we first introduce the operating mechanisms and representative studies of the unimodal soft sensor, and then discuss the recent research trend in the multimodal soft sensors and the stimulus discriminability.

피부 모사형 다기능 유연 센서는 인체 피부의 높은 자극 감지 성능과 기계적 안정성을 모사하고자 다학계적 접근을 통해 발전되어 왔다. 하지만, 실제 적용을 위해서는 일상생활 속에서 접하는 다양한 종류의 자극을 명확히 구분하고 각 자극의 세기를 정확히 감지하는 높은 수준의 자극 구별 능력이 필수적임에도 불구하고, 아직까지 낮은 수준의 자극 구별 능력을 보이는 실정이다. 본고에서는 기존 피부 모사형 유연 센서의 기본적인 작동 메커니즘과 대표적인 연구들을 간략히 소개하고, 최근 보고된 피부 모사형 다기능 유연 센서 관련 연구들의 연구 결과 및 자극 구별 능력에 대해 깊이 있게 다루고자 한다.

Keywords

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