An improved wireless power transmission system for micro unmanned aerial vehicles

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-07-17 DOI:10.1049/pel2.12747

Shunyu Liu, Yuehao Guo, Ting Su, Haotian Wu, Genghao Xing, Yongqin Yang

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Abstract

Due to its limited load capacity, the piggybacking of wireless charging systems for micro unmanned aerial vehicles has become a challenging task in the design of micro unmanned aerial vehicles. Therefore, this paper proposes an improved lightweight design method for micro unmanned aerial vehicles to carry a wireless charging system. The improved system uses an inductor–capacitor–capacitor-parallel (LCC-P) topology compensation network instead of a bilateral inductor–capacitor–capacitor (LCC) topology compensation network to achieve constant current charging (CC) and constant voltage charging (CV). Then the adaptive frequency conversion control is used to realize the automatic conversion from CC charging to CV charging during the charging process. Compared with the traditional wireless charging system based on a direct current-direct current converter (DC-DC converter) to achieve CC charging and CV charging, this improved system reduces the total weight of the receiving end of the wireless charging system based on ensuring the charging efficiency, which meets the demand of wireless charging systems carried by micro drone aircraft. The test results of the constructed physical system coincide with the simulation design results, and the total weight of the receiving end is only 8 g, which verifies the correctness and effectiveness of the improved design scheme.

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用于微型无人飞行器的改进型无线输电系统

由于微型无人飞行器的承载能力有限，为其搭载无线充电系统已成为微型无人飞行器设计中的一项具有挑战性的任务。因此，本文提出了一种改进的微型无人飞行器搭载无线充电系统的轻量化设计方法。改进后的系统采用电感-电容-电容-并联（LCC-P）拓扑补偿网络代替双边电感-电容-电容（LCC）拓扑补偿网络，以实现恒流充电（CC）和恒压充电（CV）。然后利用自适应变频控制实现充电过程中从 CC 充电到 CV 充电的自动转换。与传统的基于直流-直流转换器（DC-DC converter）实现 CC 充电和 CV 充电的无线充电系统相比，该改进系统在保证充电效率的基础上，减轻了无线充电系统接收端的总重量，满足了微型无人机搭载无线充电系统的需求。构建的物理系统测试结果与仿真设计结果吻合，接收端总重量仅为8克，验证了改进设计方案的正确性和有效性。

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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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.