Comparative Analysis of Wireless Power Transfer Couplers for Unmanned Aerial Vehicles and Drones

IF 5 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE open journal of power electronics Pub Date : 2024-04-30 DOI:10.1109/OJPEL.2024.3395174

Uvir Gordhan;Sampath Jayalath

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Abstract

Several magnetic couplers have been presented for IPT-based charging of unmanned aerial vehicles (UAV) with different sizes, transmission distances, power ratings, and landing gears. Therefore, it is hard to conclude the superiority or suitability of existing couplers for a given UAV application without evaluating their performance under common indices. Thus, a comparative analysis of existing IPT couplers for UAVs is conducted in this article, considering electromagnetic and physical performance indices. This includes efficiency, leakage magnetic field, misalignment tolerance, receiver coil volumetric power density, weight, and total harmonic distortion (THD) of transmitter and receiver currents. The validity of the analysis is experimentally supported. This article identifies the following: relative advantages and disadvantages of existing couplers, the best couplers suited for different landing gears of UAVs in the rotary-wing category, the impact of compensation on UAV coupler performance, and the best overall performing couplers. Moreover, future directions are suggested based on the drawbacks identified through analysis.

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用于无人机和无人驾驶飞机的无线功率传输耦合器对比分析

针对基于 IPT 的无人飞行器（UAV）充电，已经推出了几种磁耦合器，其尺寸、传输距离、额定功率和起落架各不相同。因此，如果不评估现有耦合器在通用指标下的性能，就很难断定其优越性或是否适用于特定的无人飞行器应用。因此，本文在考虑电磁和物理性能指标的基础上，对用于无人机的现有 IPT 耦合器进行了比较分析。其中包括效率、漏磁场、偏差容限、接收器线圈体积功率密度、重量以及发射器和接收器电流的总谐波失真（THD）。实验证明了分析的有效性。本文指出了以下几点：现有耦合器的相对优缺点、适合旋转翼无人机不同起落架的最佳耦合器、补偿对无人机耦合器性能的影响以及整体性能最佳的耦合器。此外，还根据分析发现的缺点提出了未来的发展方向。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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