DPDA: Distributed Probability-adaptive Direction Adjustment for Magnetic Wireless Power Transfer

被引:0
|
作者
Guo, Weiming [1 ,2 ,3 ]
Wang, Zhan [1 ,2 ,3 ]
Zhou, Hao [1 ,2 ,3 ]
Zhou, Wangqiu [1 ,2 ,3 ]
Cui, Xiang [1 ,2 ,3 ]
Zhang, Jianhui [4 ]
机构
[1] Univ Sci & Technol China, LINKE Lab, Sch Comp Sci & Technol, Hefei, Anhui, Peoples R China
[2] Univ Sci & Technol China, CAS Key Lab Wireless Opt Commun, Hefei, Anhui, Peoples R China
[3] Deqing Alpha Innovat Inst, Huzhou, Zhejiang, Peoples R China
[4] Hangzhou Dianzi Univ, Coll Comp Sci & Technol, Hangzhou 310018, Peoples R China
来源
2023 20TH ANNUAL IEEE INTERNATIONAL CONFERENCE ON SENSING, COMMUNICATION, AND NETWORKING, SECON | 2023年
关键词
D O I
10.1109/SECON58729.2023.10287474
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Magnetic resonant coupling (MRC) enabled wireless power transfer (WPT) systems can charge multiple devices concurrently and efficiently via beamforming technology. The existing work proposes various mechanisms for achieving better charging performance, but still lacks the exploration about transmitter (TX) coil direction adjustment, and rarely considers the dynamic deployment of TXs. Thus, in this paper, we propose a Distributed Probability-adaptive Direction Adjustment algorithm for MRC-WPT systems (called DPDA). On the one hand, we design and implement a servo motor-based mechanical device to realize the ability of TX coil direction adjustment. On the other hand, we decompose the charging performance optimization problem, and then devise a distributed direction control algorithm based on random beamforming. We implement the system prototype for DPDA, and conduct extensive experiments on it. The experimental results demonstrate the effectiveness of the proposed algorithm, e.g., in case of large TX-RX horizontal misalignment, DPDA can achieve an average 1.98X improvement of power-delivered-to-load (PDL) as compared with the state-of-the-art frequency adjustment-based solution.
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收藏
页数:9
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