Embedded Lightweight Squirrel-Cage Receiver Coil for Drone Misalignment-Tolerant Wireless Charging
Wireless charging systems in unmanned aerial vehicles (UAVs) should be compact, lightweight, and misalignment-tolerant. Equipment required for better performance, such as the receiver, cannot be placed outside the drone body, which would cause additional flight power resistance. To satisfy more dema...
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| Veröffentlicht in: | IEEE transactions on power electronics 2023-03, Vol.38 (3), p.1-5 |
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| creator | Cao, Pengcheng Lu, Yong Zhang, Haigang Li, Jiapeng Chai, Wenping Cai, Chunwei Wu, Shuai |
| description | Wireless charging systems in unmanned aerial vehicles (UAVs) should be compact, lightweight, and misalignment-tolerant. Equipment required for better performance, such as the receiver, cannot be placed outside the drone body, which would cause additional flight power resistance. To satisfy more demanding requirements, a novel squirrel-cage receiver coil embedded in the landing gear of a UAV is proposed. It avoids flight resistance while achieving a lightweight, simplified structure for the transmitter and receiver coils. In the experiments, a main circular transmitter coil with a 440mm outer diameter was used. The DC-DC efficiency was 78%-80% and the output current was 2.47±0.13 A in a 0-320 mm diameter area. The efficiency was >74% and current was 2.05±0.15 A in a 320-440 mm diameter area. The results show that the squirrel-cage receiver coils combined with a main and a small circular transmitting coil has good misalignment tolerance performance. |
| doi_str_mv | 10.1109/TPEL.2022.3225307 |
| format | Article |
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Equipment required for better performance, such as the receiver, cannot be placed outside the drone body, which would cause additional flight power resistance. To satisfy more demanding requirements, a novel squirrel-cage receiver coil embedded in the landing gear of a UAV is proposed. It avoids flight resistance while achieving a lightweight, simplified structure for the transmitter and receiver coils. In the experiments, a main circular transmitter coil with a 440mm outer diameter was used. The DC-DC efficiency was 78%-80% and the output current was 2.47±0.13 A in a 0-320 mm diameter area. The efficiency was >74% and current was 2.05±0.15 A in a 320-440 mm diameter area. The results show that the squirrel-cage receiver coils combined with a main and a small circular transmitting coil has good misalignment tolerance performance.</description><identifier>ISSN: 0885-8993</identifier><identifier>EISSN: 1941-0107</identifier><identifier>DOI: 10.1109/TPEL.2022.3225307</identifier><identifier>CODEN: ITPEE8</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Cages ; coil design ; Coils (windings) ; Drone aircraft ; Drone vehicles ; Landing gear ; Lightweight ; Misalignment ; misalignment tolerance ; UAV ; Unmanned aerial vehicles ; wireless charging ; Wireless power transmission</subject><ispartof>IEEE transactions on power electronics, 2023-03, Vol.38 (3), p.1-5</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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Equipment required for better performance, such as the receiver, cannot be placed outside the drone body, which would cause additional flight power resistance. To satisfy more demanding requirements, a novel squirrel-cage receiver coil embedded in the landing gear of a UAV is proposed. It avoids flight resistance while achieving a lightweight, simplified structure for the transmitter and receiver coils. In the experiments, a main circular transmitter coil with a 440mm outer diameter was used. The DC-DC efficiency was 78%-80% and the output current was 2.47±0.13 A in a 0-320 mm diameter area. The efficiency was >74% and current was 2.05±0.15 A in a 320-440 mm diameter area. 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| subjects | Cages coil design Coils (windings) Drone aircraft Drone vehicles Landing gear Lightweight Misalignment misalignment tolerance UAV Unmanned aerial vehicles wireless charging Wireless power transmission |
| title | Embedded Lightweight Squirrel-Cage Receiver Coil for Drone Misalignment-Tolerant Wireless Charging |
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