A Novel Folding Wireless Charging Station Design for Drones

Ali Ağçal; Tuğba Halime Doğan

doi:10.3390/drones8070289

journal article Open Access Jun 26, 2024

A Novel Folding Wireless Charging Station Design for Drones

Ali Ağçal

Tuğba Halime Doğan

Drones Vol. 8 No. 7 pp. 289 · MDPI AG

View at Publisher Save 10.3390/drones8070289

Abstract

Unmanned aerial vehicles (UAV) have been used in many fields nowadays. In long-term applications, batteries need to be constantly changed by someone due to short battery life. This problem is eliminated with wireless power transfer (WPT). A reliable, effective, and autonomous solution is offered using wireless charging. The most suitable wireless charging technique for UAVs is inductive power transfer (IPT). In this paper, a novel foldable coil and charge station design is proposed for the wireless charging of UAVs. IPT is provided by receiver and transmitter coils placed on the drone legs and the charging station, respectively. Receiver coils are placed on both legs of the UAV in a light and balanced manner to avoid creating imbalance and weight on the UAV. Receiver coils are designed as vertical rectangular planar spirals. A transmitter coil consists of three rectangular planar spiral coils with two movable edge windings and a fixed middle winding. The transmitter’s folding windings provide both alignments for the UAV during landing and increase the magnetic coupling. A folding wireless charge system of the UAV is designed for 100 W output power at a 138.1 kHz frequency. The misalignment tolerance of the proposed design in the vertical axis is examined. The design’s magnetic flux density distribution is analysed. As an experimental result of the study, 97.66% efficiency was reached in the aligned condition. Also, over 85.48% efficiency was achieved for up to 10 cm of vertical alignment misalignment.

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Citations

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References

Details

Published: Jun 26, 2024
Vol/Issue: 8(7)
Pages: 289
License: View

Authors

A

Ali Ağçal

Department of Electrical and Electronics Engineering, Suleyman Demirel University, 32260 Isparta, Turkey

T

Tuğba Halime Doğan

Department of Electrical and Electronics Engineering, Suleyman Demirel University, 32260 Isparta, Turkey

Cite This Article

Ali Ağçal, Tuğba Halime Doğan (2024). A Novel Folding Wireless Charging Station Design for Drones. Drones, 8(7), 289. https://doi.org/10.3390/drones8070289

A Novel Folding Wireless Charging Station Design for Drones

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