Receiver-Coil Location Detection in a Dynamic Wireless Power Transfer System for Electric Vehicle Charging

被引：15

作者：

Simonazzi, Mattia ^{[1
]}

Sandrolini, Leonardo ^{[1
]}

Mariscotti, Andrea ^{[2
]}

机构：

[1] Univ Bologna, Dept Elect Elect & Informat Engn DEI, I-40136 Bologna, Italy

[2] Univ Genoa, Dept Elect Elect & Telecommun Engn & Naval Archit, I-16145 Genoa, Italy

来源：

SENSORS | 2022年 / 22卷 / 06期

关键词：

wireless power transfer; WPT; resonator array; position sensing; circuit modeling; resonant circuits; OPTIMIZATION; DESIGN;

D O I：

10.3390/s22062317

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Receiver position sensing is investigated in a dynamic wireless power transfer (DWPT) system for electric vehicle (EV) charging. Exploiting the peculiar behaviour of the resonator arrays input impedance, it is possible to identify the position of the receiver coil by exciting the first array resonator with a signal at a proper frequency and measuring the resulting current. An analytical expression of the input impedance of the resonator array coupled with the EV receiver coil placed in a generic position is provided; its sensitivity to different circuit parameters is also analysed. The outline of a simple and effective algorithm for the localization of the EV is proposed and applied to a test case.

引用

页数：17

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