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Paper Abstract and Keywords
Presentation 2014-02-06 11:50
Design of an asymmetic T-R coils system for induction power transfer systems
Naoki Inagaki (Nagoya Inst. of Tech.), Takanobu Tabata, Satoshi Hori (Kojima Industries) AP2013-169
Abstract (in Japanese) (See Japanese page) 
(in English) This report begins with maximizing the power transfer efficiency of general IPT systems via image impedance matching, and proves that the resonances are necessary at both the transmitting port and the receiving port independently of the mutual coupling, which is useful in adaptive impedance matching. Then, an asymmetric T-R coils system consisting of two coils of different sizes is designed, and the results of the experiment and the simmulation are shown. It is found that the power transfer keeps almost constant efficiency for wide area of two coils positioning. Finally, a system consisting of plural smaller receiving coils and one larger transmitting coil is designed. and the simmulation results are shown. It is found that optimum receiver port impedance is increased, and that the source's power is transferred evenly and efficiently to the plural receivers.
Keyword (in Japanese) (See Japanese page) 
(in English) wireless power transfer(WPT) / inductive powert transfer(IPT) / image impedance matching / asymmetric T-R coils system / power transfer efficiency / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 428, AP2013-169, pp. 13-18, Feb. 2014.
Paper # AP2013-169 
Date of Issue 2014-01-30 (AP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction
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 AP  
Conference Date 2014-02-06 - 2014-02-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Kojima Industries Corporation, Kojima Research Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2014-02-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Design of an asymmetic T-R coils system for induction power transfer systems 
Sub Title (in English)  
Keyword(1) wireless power transfer(WPT)  
Keyword(2) inductive powert transfer(IPT)  
Keyword(3) image impedance matching  
Keyword(4) asymmetric T-R coils system  
Keyword(5) power transfer efficiency  
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1st Author's Name Naoki Inagaki  
1st Author's Affiliation Nagoya Institute of Technology (Nagoya Inst. of Tech.)
2nd Author's Name Takanobu Tabata  
2nd Author's Affiliation Kojima Industries Corporation (Kojima Industries)
3rd Author's Name Satoshi Hori  
3rd Author's Affiliation Kojima Industries Corporation (Kojima Industries)
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Speaker Author-1 
Date Time 2014-02-06 11:50:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2013-169 
Volume (vol) vol.113 
Number (no) no.428 
Page pp.13-18 
#Pages
Date of Issue 2014-01-30 (AP) 


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