Optimization of the Power Transfer Through Human Body With an Auto-Tuning System Using a Synchronous Switched Capacitor

Optimization of the Power Transfer Through Human Body With an Auto-Tuning System Using a Synchronous Switched Capacitor
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DOI：
10.1109/tcsii.2014.2385251
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发表时间：
2015-02
期刊：
IEEE Transactions on Circuits and Systems II: Express Briefs
影响因子：
--
通讯作者：
F. Rodes;Ming Zhang;R. Denieport;Xusheng Wang
F. Rodes;Ming Zhang;R. Denieport;Xusheng Wang
中科院分区：
其他
文献类型：
--
作者：
F. Rodes;Ming Zhang;R. Denieport;Xusheng Wang

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This brief presents an auto-tuning system for a wireless power transmitter that uses a variable synchronous switched capacitor for controlling the resonant frequency of the tank circuit of a half-bridge voltage-mode resonant converter. This original tuning topology does not need the addition of any bulky magnetic components and, consequently, naturally complies with the magnetic resonance imaging (MRI) compatibility regulations imposed to electromedical units used in the vicinity of MRI equipment.