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Abstract <p>A circuit design for a wireless charging subsystem for vertical takeoff/landing unmanned aerial vehicles (UAVs) is proposed, and a description of its operation is given. The subsystem is designed to operate with air coils without ferromagnetic cores in order to reduce the weight of the receiving part installed on the UAV. A variant of automatic detection of the presence of a receiver in the field of the transmitting coil and a method for organizing data transmission from the receiver to the transmitter to control the process of charging UAV batteries are proposed. The results of experiments during the operation of the subsystem with different distances between the coils, oscillograms of voltages and currents, and thermal images of the coils and an assessment of their heating are given. The main elements determining energy losses during operation are identified, and ways to increase the efficiency and further improve the developed subsystem are determined.</p>

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A Wireless Power-Transmission Subsystem for Charging Onboard Batteries of Vertical Takeoff/Landing UAVs

  • 期刊论文

  • 发表日期：

    2025年6月1日

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  • V. V. Burlaka,
  • S. V. Gulakov,
  • A. Yu. Golovin

摘要

Abstract

A circuit design for a wireless charging subsystem for vertical takeoff/landing unmanned aerial vehicles (UAVs) is proposed, and a description of its operation is given. The subsystem is designed to operate with air coils without ferromagnetic cores in order to reduce the weight of the receiving part installed on the UAV. A variant of automatic detection of the presence of a receiver in the field of the transmitting coil and a method for organizing data transmission from the receiver to the transmitter to control the process of charging UAV batteries are proposed. The results of experiments during the operation of the subsystem with different distances between the coils, oscillograms of voltages and currents, and thermal images of the coils and an assessment of their heating are given. The main elements determining energy losses during operation are identified, and ways to increase the efficiency and further improve the developed subsystem are determined.