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Paper Abstract and Keywords
Presentation 2014-06-06 17:10
Secondary Voltage Envelope Model and Application to Control System Design on Wireless Power Transfer using Magnetic Resonance Coupling
Daisuke Gunji (Univ. of Tokyo/NSK Ltd.), Takehiro Imura, Hiroshi Fujimoto (Univ. of Tokyo) WPT2014-32
Abstract (in Japanese) (See Japanese page) 
(in English) In this research, we propose secondary voltage envelop model for series-series (SS) type wireless power transfer circuit using magnetic resonance coupling. First, the state equation and the transfer function of the T-type equivalent circuit are derived. The relation between coils and load parameters and dominant pole is discussed. Next, secondary voltage envelop transfer function model is derived from time response. The proposed model is verified by simulation and experiment. As an example of application, feedback controller is designed using the proposed model and experimental results are shown.
Keyword (in Japanese) (See Japanese page) 
(in English) magnetic resonance coupling / envelope model / control system design / / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 72, WPT2014-32, pp. 45-50, June 2014.
Paper # WPT2014-32 
Date of Issue 2014-05-30 (WPT) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee WPT  
Conference Date 2014-06-06 - 2014-06-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Univ. of Tokyo 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Power Transfer, etc 
Paper Information
Registration To WPT 
Conference Code 2014-06-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Secondary Voltage Envelope Model and Application to Control System Design on Wireless Power Transfer using Magnetic Resonance Coupling 
Sub Title (in English)  
Keyword(1) magnetic resonance coupling  
Keyword(2) envelope model  
Keyword(3) control system design  
1st Author's Name Daisuke Gunji  
1st Author's Affiliation The University of Tokyo/NSK Ltd. (Univ. of Tokyo/NSK Ltd.)
2nd Author's Name Takehiro Imura  
2nd Author's Affiliation The University of Tokyo (Univ. of Tokyo)
3rd Author's Name Hiroshi Fujimoto  
3rd Author's Affiliation The University of Tokyo (Univ. of Tokyo)
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Date Time 2014-06-06 17:10:00 
Presentation Time 25 
Registration for WPT 
Paper # IEICE-WPT2014-32 
Volume (vol) IEICE-114 
Number (no) no.72 
Page pp.45-50 
#Pages IEICE-6 
Date of Issue IEICE-WPT-2014-05-30 

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