应用于无人机无线充电的轻量化磁耦合结构

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Abstract In view of the low level of charging autonomy in the widely used electric patrol UAV, this paper designs a wireless charging system based on the principle of magnetic coupling resonance. Aiming at the “fixed airport” with centering mechanism which is widely used at present, Through COMSOL simulation, the magnetic circuit distribution, magnetic field strength and anti drift performance of three different magnetic coupling mechanisms are analyzed. It is found that the solenoid type magnetic coupling mechanism has high coupling coefficient, high magnetic flux density and better anti drift performance. Further analysis of the LCC-S circuit topology, the design of wireless charging system parameters and building a prototype system is based on this. The experimental results show that the weight of the receiving coil of the wireless charging system is 69g, which can achieve 100W power output, and the efficiency of the whole system is 80.27%. The research results provide a useful reference for the design of wireless charging system of UAV.

Key words： UAV wireless charging solenoid type coupling mechanism lightweight

Received: 14 November 2019

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	Articles by authors
	Chen Qianyi
	Gao Like
	Chen Shaonan
	Xiao Jing

Cite this article:

Chen Qianyi,Gao Like,Chen Shaonan等. Lightweight magnetic coupling structure for wireless charging of UAV[J]. Electrical Engineering, 2020, 21(5): 15-20.

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http://dqjs.cesmedia.cn/EN/Y2020/V21/I5/15

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