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Paper Abstract and Keywords
Presentation 2019-06-11 11:45
Proposal of Parameter Identification Method for S/S Topology Based on Obtained Frequency Domain Data from Inverter Current/Voltage of Wireless Power Transfer
Koda Takeda, Wataru Ohnishi, Takafumi Kodaki (UT) WPT2019-20
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, a novel identification method of parameters of wireless power transfer(WPT) system based on frequency domain data has been proposed. In this method, high-order harmonics of square inverter voltage are utilized to obtain the necessary frequency domain data. Based on the data, a transfer function from input voltage to input current of the WPT system is estimated and their coefficients are compared with those of an analytical model derived from an equivalent circuit of S/S one by one. The proposed method was verified that the values of components were estimated with less than 6% of errors except for resistance. Moreover, it was also confirmed that the accuracy of resistance estimation could be improved by increasing the number of the frequency domain data.
Keyword (in Japanese) (See Japanese page) 
(in English) Electric vehicles / Series-Series compensation topology / System identification / Transfer function / Wireless power transfer / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 74, WPT2019-20, pp. 51-56, June 2019.
Paper # WPT2019-20 
Date of Issue 2019-06-03 (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 2019-06-10 - 2019-06-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless power transfer, others 
Paper Information
Registration To WPT 
Conference Code 2019-06-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Proposal of Parameter Identification Method for S/S Topology Based on Obtained Frequency Domain Data from Inverter Current/Voltage of Wireless Power Transfer 
Sub Title (in English)  
Keyword(1) Electric vehicles  
Keyword(2) Series-Series compensation topology  
Keyword(3) System identification  
Keyword(4) Transfer function  
Keyword(5) Wireless power transfer  
1st Author's Name Koda Takeda  
1st Author's Affiliation The University of Tokyo (UT)
2nd Author's Name Wataru Ohnishi  
2nd Author's Affiliation The University of Tokyo (UT)
3rd Author's Name Takafumi Kodaki  
3rd Author's Affiliation The University of Tokyo (UT)
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Date Time 2019-06-11 11:45:00 
Presentation Time 20 
Registration for WPT 
Paper # IEICE-WPT2019-20 
Volume (vol) IEICE-119 
Number (no) no.74 
Page pp.51-56 
#Pages IEICE-6 
Date of Issue IEICE-WPT-2019-06-03 

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