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서지반출
Realization of Alignment-Free WPT System
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  • Realization of Alignment-Free WPT System
  • Realization of Alignment-Free WPT System
저자명
Park. Byung-Chul,Son. Yong-Ho,Jang. Byung-Jun,Lee. Jeong-Hae
간행물명
Journal of electromagnetic engineering and science : JEES
권/호정보
2014년|14권 4호|pp.329-331 (3 pages)
발행정보
한국전자파학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

A simple realization of an alignment-free wireless power transmission (WPT) system is presented in this letter. The WPT system consists of a transmitter with three reconfigurable modes corresponding to various controllable magnetic field directions in the azimuthal plane and an algorithm for the optimum mode selection carried by sensing the reflected voltage of the system. Twelve light emitting diodes (LEDs) are used to confirm the on- and off-state of LEDs powered wirelessly by the transmitter at every $15^{circ}$ of the azimuthal plane. A criterion voltage from the reflected power of the system is found by using the correlation between the reflected voltage and the on- and off-state of the LEDs. Simply by continuous; monitoring of the voltage from the system, the system maintains power to the LEDs. The system is realized by MATLAB/Simulink and a National Instrument data acquisition device (DAQ) board. Measurements using the system show on-state LEDs in the azimuthal plane except at the angles of $60^{circ}$, $75^{circ}$, $180^{circ}$, and $300^{circ}$.