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Paper Abstract and Keywords
Presentation 2026-06-12 09:10
Voltage Source Localization in Distributed Element Circuits using Graph Neural Networks based on Spatiotemporal Evolution of Traveling Wave
Takuto Ike, Ayumu Suzuki, Takashi Hisakado (Kyoto Univ.) NLP2026-14 CCS2026-14
Abstract (in Japanese) (See Japanese page) 
(in English) GraphNeuralNetwork(GNN)areproposedasamethodforanalyzingdata bylevaraging its graph structure. In this paper, we propose a GNN incorporated spatio-temporal propagation of traveling wave into the network structure for distributed element cirsuits. This method aims to estimate the voltage source location from observed time-series voltage waveforms. To demonstrate the robustness of our approach, we evaluate the proposed model using data with missing values. For linear graphs, we correlate the weights obtained through learning from missing data with the physical phennomenon of propagation, and demonstrate that physical lows are incorporated into the structure of the GNN. For branched graphs, we investigate the impact of observation points placement on the estimation accuracy.
Keyword (in Japanese) (See Japanese page) 
(in English) Graph Neural Network / Time Domain / Inverse Problem / Electrical Circuit / TDR / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 68, NLP2026-14, pp. 69-74, June 2026.
Paper # NLP2026-14 
Date of Issue 2026-06-04 (NLP, CCS) 
ISSN 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 NLP2026-14 CCS2026-14

Conference Information
Committee CCS NLP  
Conference Date 2026-06-11 - 2026-06-12 
Place (in Japanese) (See Japanese page) 
Place (in English) I-site Namba 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Nonlinear Problems, Complex Communication Sciences, etc. 
Paper Information
Registration To NLP 
Conference Code 2026-06-CCS-NLP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Voltage Source Localization in Distributed Element Circuits using Graph Neural Networks based on Spatiotemporal Evolution of Traveling Wave 
Sub Title (in English)  
Keyword(1) Graph Neural Network  
Keyword(2) Time Domain  
Keyword(3) Inverse Problem  
Keyword(4) Electrical Circuit  
Keyword(5) TDR  
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Keyword(8)  
1st Author's Name Takuto Ike  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Ayumu Suzuki  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Takashi Hisakado  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker Author-1 
Date Time 2026-06-12 09:10:00 
Presentation Time 25 minutes 
Registration for NLP 
Paper # NLP2026-14, CCS2026-14 
Volume (vol) vol.126 
Number (no) no.68(NLP), no.69(CCS) 
Page pp.69-74 
#Pages 6 
Date of Issue 2026-06-04 (NLP, CCS) 

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