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Energy Shaping Control for Wireless Power Transfer System in Automatic Guided Vehicles

Author

Listed:
  • Wenjie Chen

    (School of Automation, Wuhan University of Technology, Wuhan 430070, China)

  • Jia Liu

    (College of Control Science and Engineering, Institute of Cyber-Systems and Control, Zhejiang University, Hangzhou 310027, China
    State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou 310027, China)

  • Si Chen

    (School of Automation, Wuhan University of Technology, Wuhan 430070, China)

  • Liyan Zhang

    (School of Automation, Wuhan University of Technology, Wuhan 430070, China)

Abstract

This paper proposes an energy shaping controller of a DC/DC converter for automatic guided vehicles (AGVs) wireless power transfer (WPT). A transformer is inserted after the LCC topology to improve the transfer power, and the DC/DC boost converter is added before this topology to obtain desired systematic power dynamically. The system power transfer model is derived based on the idea of voltage transformation and the desired power can be implemented indirectly through regulating desired output voltage of DC/DC converter. With the proposed controller, this WPT system will have a much better dynamic performance and the effective working time can be increased significantly. Furthermore, this paper proposes dynamical regulation strategy for output power to get real time target power according to the charging curve of the battery. Simulation and experimental results verified the control performance of the proposed control scheme. A WPT prototype with power up to 1.65 kW was built, and 92.12% efficiency from DC power source to battery load is achieved, which is 4% higher than that obtained by the conventional PID method.

Suggested Citation

  • Wenjie Chen & Jia Liu & Si Chen & Liyan Zhang, 2020. "Energy Shaping Control for Wireless Power Transfer System in Automatic Guided Vehicles," Energies, MDPI, vol. 13(11), pages 1-17, June.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:11:p:2959-:d:369301
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    Citations

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    Cited by:

    1. Naghmash Ali & Zhizhen Liu & Hammad Armghan & Iftikhar Ahmad & Yanjin Hou, 2021. "LCC-S-Based Integral Terminal Sliding Mode Controller for a Hybrid Energy Storage System Using a Wireless Power System," Energies, MDPI, vol. 14(6), pages 1-25, March.
    2. Agnieszka A. Tubis & Honorata Poturaj, 2022. "Risk Related to AGV Systems—Open-Access Literature Review," Energies, MDPI, vol. 15(23), pages 1-23, November.

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