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Electromagnetic Field Based WPT Technologies for UAVs: A Comprehensive Survey

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Department of Electrical Engineering, Thai Nguyen University of Technology, Thai Nguyen 24000, Vietnam
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Department of Electronics and Communications Technology, Thai Nguyen University of Information and Communication Technology, Thai Nguyen 24000, Vietnam
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Department of Industrial Engineering and Engineering Management, National Tsing Hua University, Hsinchu 30013, Taiwan
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School of Electronics, Electrical Engineering and Computer Science, Queen’s University Belfast, Belfast BT7 1NN, UK
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Department of Electrical and Computer Engineering, Oklahoma State University, Stillwater, OK 74078, USA
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Author to whom correspondence should be addressed.
Electronics 2020, 9(3), 461; https://doi.org/10.3390/electronics9030461
Received: 19 January 2020 / Revised: 27 February 2020 / Accepted: 4 March 2020 / Published: 9 March 2020
(This article belongs to the Section Electrical and Autonomous Vehicles)
Wireless power transfer (WPT) techniques are important in a variety of applications in both civilian and military fields. Unmanned aerial vehicles (UAVs) are being used for many practical purposes, such as monitoring or delivering payloads. There is a trade-off between the weight of the UAVs or their batteries and their flying time. Their working time is expected to be as long as possible. In order to support the UAVs to work effectively, WPT techniques are applied with UAVs to charge secondary energy supply sources in order to increase their working time. This paper reviews common techniques of WPT deployed with UAVs to support them while working for different purposes. Numerous approaches have been considered to illustrate techniques to exploit WPT techniques. The charging distances, energy harvesting techniques, electronic device improvements, transmitting issues, etc., are considered to provide an overview of common problems in utilizing and charging UAVs. Moreover, specific problems are addressed to support suitable solutions with either techniques or applications for UAVs. View Full-Text
Keywords: unmanned aerial vehicles (UAVs); wireless charging; wireless power transfer; resonant inductive coupling; capacitive coupling; RF wireless power transfer; RF energy harvesting unmanned aerial vehicles (UAVs); wireless charging; wireless power transfer; resonant inductive coupling; capacitive coupling; RF wireless power transfer; RF energy harvesting
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Nguyen, M.T.; Nguyen, C.V.; Truong, L.H.; Le, A.M.; Quyen, T.V.; Masaracchia, A.; Teague, K.A. Electromagnetic Field Based WPT Technologies for UAVs: A Comprehensive Survey. Electronics 2020, 9, 461.

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