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Paper Abstract and Keywords
Presentation 2026-03-19 10:50
Bifurcations in Chua's Circuit under Safety Control
Toshimitsu Ushio (Nanzan Univ.) MSS2025-69 NLP2025-150
Abstract (in Japanese) (See Japanese page) 
(in English) When the initial state lies within a designated safe set in the state space, a control that guarantees the trajectory will remain within this set at all future times is referred to as a safety control. On the other hand, Chua's circuit is well known as a circuit that exhibits chaos called the double-scroll attractor. In this report, we consider the safety control of Chua's circuit using control barrier functions. By simulation, we investigate Lyapunov exponents when the parameters of the safe set and the barrier functions are changed. Moreover, it is shown that spiral attractors, periodic orbits, and transient chaos can exhibit by the safety control.
Keyword (in Japanese) (See Japanese page) 
(in English) safety control / control barrier function / chaos / bifurcatioｎ / Chua's circuit / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 418, NLP2025-150, pp. 120-125, March 2026.
Paper # NLP2025-150 
Date of Issue 2026-03-11 (MSS, NLP) 
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 MSS2025-69 NLP2025-150

Conference Information
Committee MSS NLP  
Conference Date 2026-03-18 - 2026-03-19 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To NLP 
Conference Code 2026-03-MSS-NLP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Bifurcations in Chua's Circuit under Safety Control 
Sub Title (in English)  
Keyword(1) safety control  
Keyword(2) control barrier function  
Keyword(3) chaos  
Keyword(4) bifurcatioｎ  
Keyword(5) Chua's circuit  
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1st Author's Name Toshimitsu Ushio  
1st Author's Affiliation Nanzan University (Nanzan Univ.)
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Speaker Author-1 
Date Time 2026-03-19 10:50:00 
Presentation Time 20 minutes 
Registration for NLP 
Paper # MSS2025-69, NLP2025-150 
Volume (vol) vol.125 
Number (no) no.417(MSS), no.418(NLP) 
Page pp.120-125 
#Pages 6 
Date of Issue 2026-03-11 (MSS, NLP) 

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