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Accurate Theoretical Models for Frequency Diverse Array Based Wireless Power Transmission

Author

Listed:
  • Zeeshan Ahmad

    (School of Electronic and Information Engineering, Ningbo University of Technology, Ningbo 315211, China)

  • Zhonghan Wang

    (School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China)

  • Zain ul Abidin Jaffri

    (College of Physics and Electronic Information Engineering, Neijiang Normal University, Neijiang 641100, China)

  • Shudi Bao

    (School of Electronic and Information Engineering, Ningbo University of Technology, Ningbo 315211, China)

Abstract

Wireless power transfer (WPT) is a well-known problem, and has received wide attention in the next generation industrial applications and consumer electronics. On the other hand, frequency diverse array (FDA) is a new concept with the ability to generate a range-angle dependent beampattern. Therefore, some researchers are engaged in designing WPT systems based on the FDA framework (FDA-WPT) instead of phased arrays. Unlike phased arrays, the FDA beampattern is time-variant. Therefore, existing beam collection efficiency models based on the phased array are not suitable for the FDA-WPT system. More importantly, the time-variant property of FDAs is usually ignored in the literature, and the system configuration of the target area where the power-harvesting end is located does not conform to the actual WPT scenario. In this paper, we derive and present accurate models of the FDA-WPT system. The power transfer performance of the corrected FDA-WPT system is then compared with the phased array based WPT system. Simulation results demonstrate that time-variant consideration in the FDA-WPT model causes difficulty in controlling the main beam direction to focus the power. The accurate FDA-WPT is theoretically investigated, and numerical simulations are implemented to validate the theoretical analysis.

Suggested Citation

  • Zeeshan Ahmad & Zhonghan Wang & Zain ul Abidin Jaffri & Shudi Bao, 2022. "Accurate Theoretical Models for Frequency Diverse Array Based Wireless Power Transmission," Energies, MDPI, vol. 15(4), pages 1-12, February.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:4:p:1588-:d:754869
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    References listed on IDEAS

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    1. Jinwook Kim & Do-Hyeon Kim & Jieun Kim & Young-Jin Park, 2021. "Wireless Power Transfer between Two Self-Resonant Coils over Medium Distance Supporting Optimal Impedance Matching Using Ferrite Core Transformers," Energies, MDPI, vol. 14(24), pages 1-15, December.
    2. Jacek Maciej Stankiewicz & Agnieszka Choroszucho & Adam Steckiewicz, 2021. "Estimation of the Maximum Efficiency and the Load Power in the Periodic WPT Systems Using Numerical and Circuit Models," Energies, MDPI, vol. 14(4), pages 1-20, February.
    3. Dong-Wook Seo, 2021. "Wireless Power Transfer and RF Technologies," Energies, MDPI, vol. 14(24), pages 1-3, December.
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    Cited by:

    1. Tae-Heung Lim & Hyunsoo Kim & Chulhun Seo & Hosung Choo, 2022. "Design of Moiré-Inspired Metasurface Lens for Focusing Electromagnetic Power in Fresnel Near-Field Region," Energies, MDPI, vol. 15(11), pages 1-12, May.

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