[논문]웨어러블 생체신호 모니터링을 위한 스마트텍스타일센서의 분류 및 고찰

장은지; 조길수

doi:10.5805/sfti.2019.21.6.697

웨어러블 생체신호 모니터링을 위한 스마트텍스타일센서의 분류 및 고찰
The Classification and Investigation of Smart Textile Sensors for Wearable Vital Signs Monitoring 원문보기

Fashion & textile research journal = 한국의류산업학회지, v.21 no.6, 2019년, pp.697 - 707

Abstract ▼ AI-Helper

This review paper deals with materials, classification, and a current article investigation on smart textile sensors for wearable vital signs monitoring (WVSM). Smart textile sensors can lose electrical conductivity during vital signs monitoring when applying them to clothing. Because they should have to endure severe conditions (bending, folding, and distortion) when wearing. Imparting electrical conductivity for application is a critical consideration when manufacturing smart textile sensors. Smart textile sensors fabricate by utilizing electro-conductive materials such as metals, allotrope of carbon, and intrinsically conductive polymers (ICPs). It classifies as performance level, fabric structure, intrinsic/extrinsic modification, and sensing mechanism. The classification of smart textile sensors by sensing mechanism includes pressure/force sensors, strain sensors, electrodes, optical sensors, biosensors, and temperature/humidity sensors. In the previous study, pressure/force sensors perform well despite the small capacitance changes of 1-2 pF. Strain sensors work reliably at 1 ㏀/cm or lower. Electrodes require an electrical resistance of less than 10 Ω/cm. Optical sensors using plastic optical fibers (POF) coupled with light sources need light in-coupling efficiency values that are over 40%. Biosensors can quantify by wicking rate and/or colorimetry as the reactivity between the bioreceptor and transducer. Temperature/humidity sensors require actuating triggers that show the flap opening of shape memory polymer or with a color-changing time of thermochromic pigment lower than 17 seconds.

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질의응답

핵심어	질문	논문에서 추출한 답변
	웨어러블 생체신호 모니터링은 무엇인가?	웨어러블 생체신호 모니터링은 착용한 상태에서 지속적인 생체신호를 실시간 측정하는 것으로 정보통신기술(Information and communication technology)과 섬유기술(Textiles technology),전자기술(Electronic technology)의 융합이 필요하다. 언제, 어디서나 간편하게 생체신호를 관찰함으로써 환자의 경우에는 임상적 악화를 적절하게 관리할 수 있으며 일반인은 예기치 않은 응급 상황에 빠르게 대처할 수 있다(Sprogis et al.
	봉지막 처리란 무엇인가?	스마트텍스타일센서의 산화를 방지하기 위해서는 전기전도성 물질이 적용된 부분에 봉지막 처리(Thin film encapsulation)가 필요하다. 봉지막 처리란, 수분 또는 산소에 취약한 물질을 보호하기 위한 기술로 산화알루미늄(Al2O3)이나 산화아연(ZnO) 등과 같은 금속산화물을 이용하여 전기전도성 재료 표면에 보호층을 만들어주는 것을 말한다(Jeong et al., 2019).
	스마트텍스타일센서의 특징은 무엇인가?	, 2014), 착용감과 성능이 우수한 의류내장식 스마트의류를 위해서는 텍스타일 기반전자장치인 스마트텍스타일센서(Smart textiles sensor)가 필수 불가결한 요소로 등장하게 된다. 이는 전기전도성 재료(Electroconductive materials)를 이용하여 e-textiles의 형태로 제조되어 의류 고유의 속성을 잃지 않으면서 전기적 성능을 수행할 수 있다(Jang & Cho, 2018). 현재, 스마트텍스타일센서 관련 기술은 아직 초기 단계에 머물러 있으며, 섬유·패션 산업에 적용되기 위해서는 넘어야 할 기술적 네킹(Technical necking)이 많다.

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