Transfer efficiency optimal control of magnetic resonance coupled system of wireless power transfer based on frequency control

In order to suppress the fast decrease of the transfer efficiency of magnetic resonance coupled wireless power transfer system（MRCWPTS） with distance increase,this paper investigates the impact factors of the system transfer efficiency and is,then formulates a new efficiency optimal control method b...

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Bibliographic Details
Published in:Science China Technological Sciences 2011-06, Vol.54 (6), p.1428-1434
Main Authors: Tan, LinLin, Huang, XueLiang, Huang, Hui, Zou, YuWei, Li, Hui
Format: Article
Language:English
Subjects:
Engineering
传输效率
共振耦合
变频调速
最优控制方法
电力传输系统
系统最优控制
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Summary:In order to suppress the fast decrease of the transfer efficiency of magnetic resonance coupled wireless power transfer system（MRCWPTS） with distance increase,this paper investigates the impact factors of the system transfer efficiency and is,then formulates a new efficiency optimal control method based on frequency control.Based upon this control method two optimal control schemes are designed to achieve transfer efficiency control of the system.Simulations and experiments show that the proposed efficiency optimal control method can effectively stabilize the system transfer efficiency in a certain range so as to successfully solve the subtle issue of transfer efficiency variation with distance.
ISSN:1674-7321
1869-1900
1862-281X
DOI:10.1007/s11431-011-4380-6