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Paper Abstract and Keywords
Presentation 2021-06-11 14:20
A Study on Participation Factors for Systems Described by Nonlinear Differential-Algebraic Equations via Koopman Mode Decomposition
Kenji Takamichi (Osaka Pref Univ.), Yoshihiko Susuki (Osaka Pref Univ./JST), Atsushi Ishigame (Osaka Pref Univ.) NLP2021-8 CCS2021-8
Abstract (in Japanese) (See Japanese page) 
(in English) The technique of participation factors has been used for quantifying connections between system variables and modes in LTI systems and applied to power system analysis. In this report, we exploit the data-driven approach to analysis of nonlinear systems, called the Koopman Mode Decomposition (KMD), in order to evaluate the participation factors for variables and nonlinear Koopman modes. In particular, the participation factors including algebraic variables and nonlinear Koopman modes for systems described by nonlinear differential-algebraic equations is proposed. The KMD-based participation factors are numerically demonstrated using simple mathematical models.
Keyword (in Japanese) (See Japanese page) 
(in English) Participation factor / Nonlinear system / Koopman mode decomposition / Data-driven approach / / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 61, NLP2021-8, pp. 34-39, June 2021.
Paper # NLP2021-8 
Date of Issue 2021-06-04 (NLP, CCS) 
ISSN 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)
Download PDF NLP2021-8 CCS2021-8

Conference Information
Committee NLP CCS  
Conference Date 2021-06-11 - 2021-06-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NLP 
Conference Code 2021-06-NLP-CCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Participation Factors for Systems Described by Nonlinear Differential-Algebraic Equations via Koopman Mode Decomposition 
Sub Title (in English)  
Keyword(1) Participation factor  
Keyword(2) Nonlinear system  
Keyword(3) Koopman mode decomposition  
Keyword(4) Data-driven approach  
1st Author's Name Kenji Takamichi  
1st Author's Affiliation Osaka Prefecture University (Osaka Pref Univ.)
2nd Author's Name Yoshihiko Susuki  
2nd Author's Affiliation Osaka Prefecture University/JST-PRESTO (Osaka Pref Univ./JST)
3rd Author's Name Atsushi Ishigame  
3rd Author's Affiliation Osaka Prefecture University (Osaka Pref Univ.)
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Speaker Author-1 
Date Time 2021-06-11 14:20:00 
Presentation Time 25 minutes 
Registration for NLP 
Paper # NLP2021-8, CCS2021-8 
Volume (vol) vol.121 
Number (no) no.61(NLP), no.62(CCS) 
Page pp.34-39 
Date of Issue 2021-06-04 (NLP, CCS) 

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