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Influence Suppression of Metal Foreign Object in Wireless Power Transfer System Using Improved Grey Wolf Optimizer

Author

Listed:
  • Wencong Huang

    (Hubei Collaborative Innovation Center for High-Efficiency Utilization of Solar Energy, Hubei University of Technology, Wuhan 430070, China)

  • Yuqiao Zhu

    (Hubei Collaborative Innovation Center for High-Efficiency Utilization of Solar Energy, Hubei University of Technology, Wuhan 430070, China)

  • Ying Hu

    (Hubei Collaborative Innovation Center for High-Efficiency Utilization of Solar Energy, Hubei University of Technology, Wuhan 430070, China)

  • Jinying Huang

    (Hubei Collaborative Innovation Center for High-Efficiency Utilization of Solar Energy, Hubei University of Technology, Wuhan 430070, China)

  • Chao Ma

    (Hubei Collaborative Innovation Center for High-Efficiency Utilization of Solar Energy, Hubei University of Technology, Wuhan 430070, China)

  • Yufang Chang

    (Hubei Collaborative Innovation Center for High-Efficiency Utilization of Solar Energy, Hubei University of Technology, Wuhan 430070, China)

Abstract

To address the issue of metal foreign objects interfering with the charging area and causing a significant drop in the Wireless Power Transfer system’s output power, a method to suppress their influence is proposed. First, a circuit model with detection coils is established, the system’s coupling mechanism is analyzed, a mathematical model for output power is derived, and mutual inductance deviation measure is quantified. Next, a finite element simulation model with detection coils is created to simplify the coil design and analyze mutual inductance deviation measure caused by various metal foreign objects. The misalignment of transmitter and receiver coils are considered, and an improved Grey Wolf Optimizer is introduced to optimize compensation topology parameters, targeting output power. Finally, a simulation model and experimental platform are built, and the proposed method is verified through simulation and experimentation. The method can achieve optimal output power in limited iterations while satisfying constraints, confirming its correctness and effectiveness.

Suggested Citation

  • Wencong Huang & Yuqiao Zhu & Ying Hu & Jinying Huang & Chao Ma & Yufang Chang, 2023. "Influence Suppression of Metal Foreign Object in Wireless Power Transfer System Using Improved Grey Wolf Optimizer," Energies, MDPI, vol. 16(23), pages 1-21, November.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:23:p:7731-:d:1286057
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    References listed on IDEAS

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    1. Xueqing Luo & Shengkun Cai & Zhizhen Liu & Yanjin Hou & Yuxin Xie & Shuyao Sun & Ran Ding & Guowen Feng & Xiaozhao Wei, 2023. "Research on Metal Foreign Object Detection Method in Wireless Charging System of Electric Vehicle Based on Array Detection Coil," Energies, MDPI, vol. 16(14), pages 1-18, July.
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