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Paper Abstract and Keywords
Presentation 2014-10-15 15:20
Study on Efficiency Improvement by Input Voltage Control for Wireless Power Transmission Using Magnetic Resonance
Yoshiaki Narusue, Yoshihiro Kawahara, Tohru Asami (Tokyo Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Variations of a mutual inductance and a load resistance decrease power efficiency dramatically.
As a solution for this problem, a DC-DC converter based optimum load resistance tracking method was proposed. However, our analysis in this paper shows it is difficult to track the optimum load resistance by using the method in a system including a switching regulator. To overcome this problem, we propose an input voltage control based optimum load resistance tracking method and derived conditions to realize it. Circuit simulation results validate the proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) wireless power transmission / resonant magnetic coupling / switching regulator / optimum load tracking / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 246, WPT2014-36, pp. 5-10, Oct. 2014.
Paper # WPT2014-36 
Date of Issue 2014-10-08 (WPT) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee AP WPT  
Conference Date 2014-10-15 - 2014-10-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido University, Clark Memorial Student Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Power Transfer, Antennas and Propagation 
Paper Information
Registration To WPT 
Conference Code 2014-10-AP-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on Efficiency Improvement by Input Voltage Control for Wireless Power Transmission Using Magnetic Resonance 
Sub Title (in English)  
Keyword(1) wireless power transmission  
Keyword(2) resonant magnetic coupling  
Keyword(3) switching regulator  
Keyword(4) optimum load tracking  
1st Author's Name Yoshiaki Narusue  
1st Author's Affiliation The University of Tokyo (Tokyo Univ.)
2nd Author's Name Yoshihiro Kawahara  
2nd Author's Affiliation The University of Tokyo (Tokyo Univ.)
3rd Author's Name Tohru Asami  
3rd Author's Affiliation The University of Tokyo (Tokyo Univ.)
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Date Time 2014-10-15 15:20:00 
Presentation Time 25 
Registration for WPT 
Paper # IEICE-WPT2014-36 
Volume (vol) IEICE-114 
Number (no) no.246 
Page pp.5-10 
#Pages IEICE-6 
Date of Issue IEICE-WPT-2014-10-08 

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