핑거프린트 방식의 자기 공진형 무선전력전송 코일 정렬 상태 개선 기법 연구

Autor: 김 성 재, 이 의 범, 구 현 철
Zdroj: Journal of Korean Institute of Electromagnetic Engineering & Science / Han-Guk Jeonjapa Hakoe Nonmunji; Jan2019, Vol. 30 Issue 1, p38-44, 7p
Abstrakt: This paper proposes fingerprint-based positioning methods which can be used in a magnetic resonant wireless power transfer(WPT) system and verifies their performance. A new receiver coil with small orthogonal auxiliary coils is proposed to measure magnetic field signals in three axial directions. The magnitude and phase characteristics of the three-axis electromotive force can be obtained by using the proposed coil. To predict a position with the measured values, we propose a lookup table-based method and linear discriminant analysis-based method. For verification, the proposed methods are applied to predict 75 positions of the 6.78 MHz WPT system, and the performances such as accuracy and computation time are compared. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index