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Energies 2018, 11(2), 352; https://doi.org/10.3390/en11020352

Wireless Power Transfer Technology Applied to an Autonomous Electric UAV with a Small Secondary Coil

Department of Industrial and Information Engineering and Economics, University of L’Aquila, 67100 L’Aquila, Italy
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Received: 11 January 2018 / Revised: 28 January 2018 / Accepted: 30 January 2018 / Published: 2 February 2018
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Abstract

This study deals with the design and the optimization of a wireless power transfer (WPT) charging system based on magnetic resonant coupling applied to an electric vertical take-off and landing Unmanned Aerial Vehicle (UAV). In this study, a procedure for primary and secondary coil design is proposed. The primary circuit in the ground station consists of an array of coils in order to mitigate the negative effects on the coupling factor produced by the possible misalignment between the coils due to an imperfect landing. Key aspects for the design of the secondary coil onboard the UAV are the lightness and compactness of the WPT system components. A demonstrative prototype of the WPT system is applied to a commercial drone. The WPT electrical performances are calculated and measured. Finally, an automatic battery recharge station is built where the drone can autonomously land, recharge the battery and take off to continue its flight mission. View Full-Text
Keywords: magnetic resonant coupling; wireless power transfer (WPT); drone; Unmanned Aerial Vehicle (UAV); automated battery recharge station; magnetic field magnetic resonant coupling; wireless power transfer (WPT); drone; Unmanned Aerial Vehicle (UAV); automated battery recharge station; magnetic field
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Campi, T.; Cruciani, S.; Feliziani, M. Wireless Power Transfer Technology Applied to an Autonomous Electric UAV with a Small Secondary Coil. Energies 2018, 11, 352.

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