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Paper Abstract and Keywords
Presentation 2018-10-04 13:20
Fundamental Study on Wireless Power Transfer to Unsprung Receiver Coil Using In-Tire Magnetic Circuit
Takashi Utsu, Kensuke Hanajiri, Katsuhiro Hata, Osamu Shimizu, Takehiro Imura, Hiroshi Fujimoto, Yoichi Hori (The Univ. of Tokyo), Keizo Akutagawa (Bridgestone), Daisuke Gunji (NSK ltd.) WPT2018-41
Abstract (in Japanese) (See Japanese page) 
(in English) Wireless power transfer to electric vehicles has attracted a great deal of attention, however, many problems have remained, such as detection of foreign object between the road and the car body. This paper proposes the concept of "wireless power transfer using in-tire magnetic circuit" as one of the solutions to the above problems. In this concept, the magnetic circuit is constructed by adding a ferrite material to the rubber of the tire, and strengthen the coupling between the transmitter and receiver. In this paper, the feasibility of the proposed concept was demonstrated by system characteristics measurement and power transfer experiments with magnetic resonance circuit.
Moreover, highly efficient power transmission can be realized by using transmitter and receiver with high Q value, which is clarified by demonstration experiment using small model.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless power transfer / Magnetic resonance coupling / Tire / Magnetic circuit / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 227, WPT2018-41, pp. 69-74, Oct. 2018.
Paper # WPT2018-41 
Date of Issue 2018-09-26 (WPT) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
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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 WPT EE  
Conference Date 2018-10-03 - 2018-10-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyoto Univ. Uji Campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Power conversion, Wireless power transfer, others 
Paper Information
Registration To WPT 
Conference Code 2018-10-WPT-EE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Fundamental Study on Wireless Power Transfer to Unsprung Receiver Coil Using In-Tire Magnetic Circuit 
Sub Title (in English)  
Keyword(1) Wireless power transfer  
Keyword(2) Magnetic resonance coupling  
Keyword(3) Tire  
Keyword(4) Magnetic circuit  
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1st Author's Name Takashi Utsu  
1st Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
2nd Author's Name Kensuke Hanajiri  
2nd Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
3rd Author's Name Katsuhiro Hata  
3rd Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
4th Author's Name Osamu Shimizu  
4th Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
5th Author's Name Takehiro Imura  
5th Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
6th Author's Name Hiroshi Fujimoto  
6th Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
7th Author's Name Yoichi Hori  
7th Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
8th Author's Name Keizo Akutagawa  
8th Author's Affiliation Bridgestone corporation (Bridgestone)
9th Author's Name Daisuke Gunji  
9th Author's Affiliation NSK limited (NSK ltd.)
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Speaker
Date Time 2018-10-04 13:20:00 
Presentation Time 20 
Registration for WPT 
Paper # IEICE-WPT2018-41 
Volume (vol) IEICE-118 
Number (no) no.227 
Page pp.69-74 
#Pages IEICE-6 
Date of Issue IEICE-WPT-2018-09-26 


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