A 500-W Wireless Charging System With Lightweight Pick-Up for Unmanned Aerial Vehicles
| Autor: | Shiyan Yang, Shuai Wu, Zhang Zhipeng, Longyun Jiang, Chunwei Cai |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
Computer science
business.industry 020208 electrical & electronic engineering Transmitter Electrical engineering Battery (vacuum tube) 02 engineering and technology Magnetic flux Electromagnetic coil 0202 electrical engineering electronic engineering information engineering Constant current Wireless Electrical and Electronic Engineering business Power control Voltage |
| Zdroj: | IEEE Transactions on Power Electronics. 35:7721-7724 |
| ISSN: | 1941-0107 0885-8993 |
| Popis: | This letter develops a wireless charging system based on a novel orthogonal magnetic structure and primary-side power control to simplify the structure and reduce the weight of on-board pick-up for recharging the unmanned aerial vehicles (UAVs). The novel magnetic structure has a polarized transmitter with a flat U-type core and a perpendicular air-cored receiving coil, guaranteeing the magnetic flux operation space away from a UAV body by coil structure itself and also reducing the weight of a magnetic receiver. The power flow to the battery is controlled by the primary side based on charging current and voltage feedback by pick-up. Simulations based on ANSYS Maxwell and experiments are carried out to validate the proposal. The weight of a magnetic receiver is 130 g. And the system can deliver 500 W with a dc-to-battery efficiency of 90.8%, meanwhile 10 A constant current/50 V constant voltage charging for 12S lithium-ion battery is achieved by the closed-loop system. |
| Databáze: | OpenAIRE |
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