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Automated frequency tracking system for efficient mid‐range magnetic resonance wireless power transfer
Author(s) -
Kim Nam Yoon,
Kim Ki Young,
Kim ChangWoo
Publication year - 2012
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.26858
Subject(s) - wireless power transfer , tracking (education) , resonator , wireless , microwave , amplifier , power (physics) , electronic engineering , range (aeronautics) , tracking system , electrical engineering , inductive coupling , computer science , maximum power transfer theorem , engineering , telecommunications , physics , cmos , psychology , pedagogy , filter (signal processing) , quantum mechanics , aerospace engineering
An automated frequency tracking system is implemented for an efficient mid‐range magnetic resonance wireless power transfer based on an analysis of a wireless power link consisting of transmitting and receiving resonators placed in a strong coupling region.The proposed tracking system is designed to maintain a power transfer efficiency of more than 70% for any transfer distance range by directly monitoring the efficiency via out‐band communication. The advantage of the proposed system over other frequency tracking schemes is that the performance of the resonators and power amplifier can be applied to the tracking algorithm. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:1423–1426, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26858

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