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Angular-Misalignment Insensitive Omnidirectional Wireless Power Transfer
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DOI：10.1109/TIE.2019.2908604.png)
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摘要
En 中文
This paper proposes a quadrature-shaped pickup coil, which can realize an angular-misalignment insensitive omnidirectional wireless charging system. Recently, the three-dimensional wireless charging has shown promising prospects for removing the performance deterioration caused by the positional misalignment, which can transfer power to arbitrary spatial objectives. In the conventional design, the strength and the direction of the induced magnetic field can be adjusted by controlling the excitation currents of transmitting coils. However, the existence of angular misalignment caused by the self-rotation of the pickup unit still can result in a sharp decrease of the transmitted power. Accordingly, this paper proposes and implements a novel pickup coil topology to compensate such huge fluctuations in power transfer, which aims to ensure an angular misalignment insensitive omnidirectional wireless charging. Simulated and experimental results are both given to verify the feasibility of the proposed quadrature-shaped topology.
Keyword:
Contactless charging
inductive power transfer (IPT)
wireless power transfer (WPT)
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期刊
IF:
7.2
论文数:
1.9W
被引数:
10.5W
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Modeling and Optimization of Magnetically Coupled Resonant Wireless Power Transfer System With Varying Spatial Scales变空间尺度磁耦合谐振式无线电能传输系统的建模与优化
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