Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Physical Activity Monitoring Using PVDF Film-Embedded Elastic Belt

PVDF 필름 내장 탄성벨트를 이용한 운동강도 모니터링

  • Ahn, Yu Jin (Department of Advanced Materials Engineering for Information & Electronics, College of Engineering, Kyung Hee University) ;
  • Kim, Kap Jin (Department of Advanced Materials Engineering for Information & Electronics, College of Engineering, Kyung Hee University)
  • 안유진 (경희대학교 공과대학 정보.전자 신소재공학과) ;
  • 김갑진 (경희대학교 공과대학 정보.전자 신소재공학과)
  • Received : 2012.10.23
  • Accepted : 2012.12.08
  • Published : 2012.12.31
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Abstract

Pedometer, tri-axial accelerometer, and measuring system of $CO_2$ generated during metabolism have mainly been used to measure the quantity of motion and inhaling capacity while walking or running. However, these sensors are heavy, expensive, and uncomfortable to wear and difficult to check the work-out condition. In an attempt to overcome these limitations, a soft, flexible, and lightweight piezoelectric polymer-based sensor has been prepared. The PVDF film sensor with thin silver-paste layers in both sides was coated with silicon rubber to amplify stress by the external power such as tension and pressure. Thus, movement of thigh muscles was monitored and physical activity was predicted during walking and running, with an elastic belt embedded with the prepared PVDF film sensor, which was named as a physiological sensing belt (PSB), strapped on the thigh.

Keywords

Acknowledgement

Supported by : 한국연구재단(NRF), 지식경제부(MKE)

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