전자공학회논문지 (Journal of the Institute of Electronics and Information Engineers)

  • 제53권8호
  • /
  • Pages.119-126
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  • 2016
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  • 2287-5026(pISSN)
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  • 2288-159X(eISSN)
대한전자공학회 (The Institute of Electronics and Information Engineers)
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의복용 자기공진형 무선전력전송 시스템을 위한 평면형 직물공진기의 설계 및 연구

Analysis and Design of Planar Textile Resonator for Wearable Magnetic Resonance-Wireless Power Transfer

  • 강석현 (서울과학기술대학교 나노.IT.디자인융합대학원) ;
  • 정창원 (서울과학기술대학교 나노.IT.디자인융합대학원)
  • Kang, Seok Hyon (Graduate School of Nano.IT.Design Fusion, Seoul National University of Science and Technology) ;
  • Jung, Chang Won (Graduate School of Nano.IT.Design Fusion, Seoul National University of Science and Technology)
  • 투고 : 2016.01.11
  • 심사 : 2016.07.26
  • 발행 : 2016.08.25
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초록

본 논문에서는 의복용 무선전력전송 시스템을 구축을 위한 평면형 직물공진기를 제안하고, 공진기에 사용된 의복용 직물기판의 재질별 특성을 분석하였다. 평면형 직물공진기는 공진주파수가 1-10 MHz가 되도록 직물기판 위에 전도성 물질로 루프 및 코일을 평면 설계하였다. 의복용으로 많이 사용되고 있는 폴리에스테르 섬유와 면을 직물기판으로 사용하였으며, 평면 루프와 코일은 동테이프(copper tape)와 실버페이스트(silver paste)로 설계하였다. 자기공진형 무선전력전송 시스템에 적용된 직물의 재질별 특성을 분석하기 위해 송신부와 수신부를 대칭으로 설계하였다. 실험 결과, 낮은 유전상수 및 비교적 두꺼운 두께를 가진 직물기판과 표면저항이 작은 도체성 재질의 패턴(루프 및 코일)으로 제작되었을 때, 의복용 무선전력전송 시스템이 높은 전송효율을 보였다. 본 연구를 통해 제안된 평면형 직물 공진기는 무선전력전송 기술의 영역을 의복용으로 넓힐 수 있는 가능성을 보여주었다.

In this paper, we proposed the planar textile resonator for constructing wearable MR-WPT system and analyzed the characteristic of textile substrates used in resonators. The planar textile resonators were designed to resonate at 1-10 MHz. The loop and coil were fabricated planar structure on textile substrate using conductive materials. Polyester fiber and cotton widely used in real life were chosen as textile resonators for wearable applications and copper tape and silver paste were used for fabricating planar loop and coil on textile substrate. For comparison analysis on transfer efficiency according to the types of textile, transmitter and receiver parts were symmetric. According to the result, for the highest transfer efficiency of wearable WPT system, the planar resonators have specifications of relative thick textile substrate with low permittivity and low surface resistance of conductive pattern. The performed experiments show that the planar textile resonator is possible to be used for resonator in wearable MR-WPT system.

키워드

참고문헌

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피인용 문헌

  1. 페라이트를 이용한 자기장 무선전력전송 안테나 vol.54, pp.7, 2016, https://doi.org/10.5573/ieie.2017.54.7.49