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Position Estimation of Multiple Receiving Coils and Power Transmission Control for WPT without Feedbackoa mark
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Publication Year
2022-11-01
Journal
Energies
Publisher
MDPI
Citation
Energies, Vol.15 No.22
Keyword
magnetic resonanceno feedbackposition estimationpower controlwireless power transfer
Mesh Keyword
No feedbacksPosition estimationPowerPower transfer systemsPower transmission controlPower-controlReceived powerReceivers (Rx)Receiving coilReceiving power
All Science Classification Codes (ASJC)
Renewable Energy, Sustainability and the EnvironmentBuilding and ConstructionFuel TechnologyEngineering (miscellaneous)Energy Engineering and Power TechnologyEnergy (miscellaneous)Control and OptimizationElectrical and Electronic Engineering
Abstract
It is important to determine the position of the receiver (Rx) coils in wireless power transfer (WPT) system, and to control the power transmitted to the Rx coil based on this result. In particular, in a situation where there is no feedback between the primary side and the secondary side, it is difficult to control the received power because the information is limited. In this paper, a method for determining the position of the Rx coils and controlling the received power using limited parameters in a feedback-free WPT system is proposed. The proposed method is verified by constructing a (Formula presented.) WPT system, and it is validated that the simulation result and the experimental result are consistent well. Furthermore, arbitrary power can be transmitted to the Rx coil based on the result of the position of the Rx coil. The experiment is conducted by transmitting about (Formula presented.) to Rx 1 and Rx 2, and the efficiency for Rx 1 is about (Formula presented.), Rx 2 is (Formula presented.), and the overall efficiency is confirmed to be (Formula presented.).
ISSN
1996-1073
Language
eng
URI
https://aurora.ajou.ac.kr/handle/2018.oak/33080
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85142642422&origin=inward
DOI
https://doi.org/10.3390/en15228621
Journal URL
http://www.mdpi.com/journal/energies/
Type
Article
Funding
This work was supported by Electronics and Telecommunications Research Institute (ETRI) grant funded by the Korean government [22ZH1140, Study on 3D Communication Technology for Hyper-Connectivity].
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Park, Yong Bae Image
Park, Yong Bae박용배
Department of Electrical and Computer Engineering
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