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논문 기본 정보

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학위논문
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이성훈 (순천대학교, 순천대학교 대학원)

지도교수
손명식
발행연도
2015
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순천대학교 논문은 저작권에 의해 보호받습니다.

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이 논문의 연구 히스토리 (10)

초록· 키워드

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본 논문에서는 1W 5.8GHz 마이크로파를 이용하여 무선전력전송 시스템 개발 및 거리 따른 전송효율을 측정하였다. 기존의 연구들은 ISM대역의 2.45GHz를 선정하여 무선전력전송 연구를 진행하고 있는 추세지만, 5.8GHz 마이크로파 무선전력
전송에 대한 연구는 상대적으로 부족한 추세이다. 송신부는 5.8GHz 마이크로파를 1W의 전력 증폭기로 신호를 증폭시켜서 안테나에 보내고, 수신부는 RF신호를
RF-DC 변환기를 통해 DC로 변환한다. RF-DC 변환기는 임피던스 정합된 전파정류 회로로 설계 및 제작하였다. 1W 5.8GHz 무선전력전송 시스템 개발을 하였고거리가 최대 100cm까지 LED에 불이 들어오는 것을 확인하면서 0cm부터 10cm 간
격으로 각 거리 마다 전류 및 전압을 측정하고 전송효율을 계산하였다. 수신된 전송효율은 거리가 멀어질수록 감소했으며 대략 1%(0cm 거리)에서 0.1%(1m 거리) 범위로 측정되었다

목차

I. 서론 ···············································································1
II. 무선전력전송 기술 ·····························································6
2.1 무선전력전송 ··································································6
2.2 기술 분류 ······································································7
2.2.1 전자유도방식 ···························································9
2.2.2 전자공진방식 ···························································11
2.2.3 전자기파(마이크로파)방식 ···········································13
2.3 한계점 및 향후 전망 ·························································14
2.3.1 기술 표준화 ····························································14
2.3.2 전자파 사용 규정 ·····················································15
2.3.3 향후 전망 ·······························································17
III. 마이크로파 무선전력전송 시스템 ············································19
3.1 주파수 선정 ···································································19
3.2 무선전력전송 시스템의 구조 ················································21
IV. RF-DC 변환기 설계 및 제작 ················································25
4.1 RF-DC 변환기 ································································25
4.2 RF-DC 변환기 설계 및 제작 ···············································29
4.3 RF-DC 변환기 효율 측정 ···················································37
V. 무선전력전송 시스템 개발 및 전송효율측정 ·······························39
5.1 송신부와 수신부의 구성 ·····················································39
5.2 무선전력전송 시스템 개발 ···············································4
5.3 Friis 전달공식 ································································42
5.4 시스템의 거리별 전송효율측정 결과 및 분석 ···························44
VI. 결론 ·············································································50
참고문헌 ·············································································52
Abstract ··············································································55

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