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Paper Abstract and Keywords
Presentation 2016-11-24 16:15
Experimental Investigation of Near Field Wireless Power Transfer System by Using Reconfigurable Antenna
Shun Maruyama, Qiang Chen (Tohoku Univ.), Qiaowei Yuan (Sendai College) WPT2016-41
Abstract (in Japanese) (See Japanese page) 
(in English) In order to realize the high power transmission efficiency of near field wireless power transfer (WPT) system, the impedance matching of the transmitting and receiving antennas should be kept. However, in the practical applications, it is difficult to keep the impedance matching condition. This is because the impedance of WPT system is changed when transmitting/receiving antennas move or rotate. Therefore, the power transmission efficiency of the near field WPT system decreases greatly due to the large mismatching loss. In this report, we propose a novel near field WPT system by using the reconfigurable antennas, and investigate experimentally. The reconfigurable antennas are composed of the parasitic elements with switches. The impedance is changed when the termination conditions of the parasitic elements are switched. Then the impedance matching condition can be kept even when the transmitting/receiving antennas move, and it is realized the high power transmission efficiency. Results of experiment show the effectiveness of our proposed system.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless power transfer / Reconfigurable antenna / Parasitic element / Impedance matching / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 321, WPT2016-41, pp. 25-29, Nov. 2016.
Paper # WPT2016-41 
Date of Issue 2016-11-17 (WPT) 
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)
Download PDF WPT2016-41

Conference Information
Committee EMCJ WPT PEM  
Conference Date 2016-11-24 - 2016-11-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Photonics-applied Electromagnetic Measurement, Wireless Power Transmission, Electronic Packaging, EMC 
Paper Information
Registration To WPT 
Conference Code 2016-11-EMCJ-WPT-PEM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Experimental Investigation of Near Field Wireless Power Transfer System by Using Reconfigurable Antenna 
Sub Title (in English)  
Keyword(1) Wireless power transfer  
Keyword(2) Reconfigurable antenna  
Keyword(3) Parasitic element  
Keyword(4) Impedance matching  
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1st Author's Name Shun Maruyama  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Qiang Chen  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Qiaowei Yuan  
3rd Author's Affiliation Sendai National College of Technology (Sendai College)
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Speaker Author-1 
Date Time 2016-11-24 16:15:00 
Presentation Time 25 minutes 
Registration for WPT 
Paper # WPT2016-41 
Volume (vol) vol.116 
Number (no) no.321 
Page pp.25-29 
#Pages 5 
Date of Issue 2016-11-17 (WPT) 

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