期刊
ELECTRONICS
卷 9, 期 5, 页码 -出版社
MDPI
DOI: 10.3390/electronics9050805
关键词
wireless power transfer; electric vehicle; equivalent circuit model; foreign object detection; metal object detection; living object detection
资金
- National Natural Science Foundation of China [51607081]
Wireless power transfer technology is being widely used in electric vehicle wireless-charging applications, and foreign object detection (FOD) is an important module that is needed to satisfy the transmission and safety requirements. FOD mostly includes two key parts: metal object detection (MOD) and living object detection (LOD), which should be implemented during the charging process. In this paper, equivalent circuit models of a metal object and a living object are proposed, and the FOD methods are reviewed and analyzed within a unified framework based on the proposed FOD models. A comparison of these detection methods and future challenges is also discussed. Based on these analyses, detection methods that employ an additional circuit for detection are recommended for FOD in electric vehicle wireless-charging applications.
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