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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국전자파학회JEES Journal of Electromagnetic Engineering And Science Journal of Electromagnetic Engineering And Science Vol.16 No.4
- 발행연도
- 2016.10
- 수록면
- 199 - 205 (7page)
이용수
초록· 키워드
오류제보하기
We present a novel schematic using a 3-dB coupler to transmit radiofrequency (RF) power to two receivers selectively. Whereas previous multiple receiver supporting schemes used hardware-switched methods, our scheme uses a soft power-allocating method, which has the advantage of variable power allocation in real time to each receiver. Using our scheme, we can split the charging area and focus the RF power on the targeted areas. We present our soft power-allocating method in three main points. First, we propose a new power distribution hardware structure using a FPGA (field-programmable gate array) and a 3-dB coupler. It can reconfigure the transmitting power to two receivers selectively using accurate FPGA-controlled signals with the aid of software. Second, we propose a power control method in our platform. We can variably control the total power of transmitter using the DC bias of the drain input of the amplifier. Third, we provide the possibility of expansion in multiple systems by extending these two wireless power transfer systems. We believe that this method is a new approach to controlling power amplifier output softly to support multiple receivers.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. SYSTEM ARCHITECTURE
Ⅲ. IMPLEMENTATION AND MEASUREMENT
Ⅳ. CONCLUSION
REFERENCES
참고문헌 (13)
참고문헌 신청
[학술지(정기간행물)] - 김지민 / 2015 / Magnetic Resonance-Based Wireless Power Transmission through Concrete Structures / Journal of Electromagnetic Engineering and Science 15 (2) : 104 ~ 110
[학술지(정기간행물)] - J. J. Casanova / 2009 / A loosely coupled planar wireless power system for multiple receivers / IEEE Transactions on Industrial Electronics 56 (8) : 3060 ~ 3068
[학술대회논문] - D. van Wageningen / 2010 / The Qi wireless power standard / Proceedings of the 14th International Power Electronics and Motion Control Conference
[학술지(정기간행물)] - 김동건 / 2015 / Omnidirectional Resonator in X-Y Plane Using a Crisscross Structure for Wireless Power Transfer / Journal of Electromagnetic Engineering and Science 15 (3) : 194 ~ 198
[학술지(정기간행물)] - A. Mallet / 2006 / Multiport-amplifier-based architecture versus classical architecture for space telecommunication payloads / IEEE Transactions on Microwave Theory and Techniques 54 (12) : 4353 ~ 4361
[학술지(정기간행물)] - J. J. Casanova / 2009 / A loosely coupled planar wireless power system for multiple receivers / IEEE Transactions on Industrial Electronics 56 (8) : 3060 ~ 3068
[학술대회논문] - D. van Wageningen / 2010 / The Qi wireless power standard / Proceedings of the 14th International Power Electronics and Motion Control Conference
[학술지(정기간행물)] - 김동건 / 2015 / Omnidirectional Resonator in X-Y Plane Using a Crisscross Structure for Wireless Power Transfer / Journal of Electromagnetic Engineering and Science 15 (3) : 194 ~ 198
[학술지(정기간행물)] - A. Mallet / 2006 / Multiport-amplifier-based architecture versus classical architecture for space telecommunication payloads / IEEE Transactions on Microwave Theory and Techniques 54 (12) : 4353 ~ 4361
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