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Paper Abstract and Keywords
Presentation 2025-03-13 16:45
A chaotic search method incorporating stochastic firing decision for Vehicle Routing Problem with Time Windows
Takeshi Nakano, Nozomi Kotake, Kazuma Nakajima, Takafumi Matsuura, Takayuki Kimura (NIT) MSS2024-88 NLP2024-129
Abstract (in Japanese) (See Japanese page) 
(in English) One of the solution methods for the Vehicle Routing Problem with Time Windows (VRPTW) is the chaotic search method.
The chaotic search method utilizes the chaotic dynamics generated by a chaotic neural network to search for high quality solutions.
However, the chaotic search method has a weakness in that the objective function value decreases rapidly during the early stages of the search process, limiting the search range in subsequent iterations.
To address this issue, we propose an enhanced chaotic search method incorporating stochastic firing determination.
By introducing stochastic firing determination, the proposed method expands the search space for finding good solution.
Numerical experiments using benchmark problems demonstrate that the proposed method outperforms conventional methods by achieving smaller objective function values and exhibiting superior performance.
Keyword (in Japanese) (See Japanese page) 
(in English) Vehicle Routing Problems / Combinatorial optimization problems / Chaotic Search / / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 432, NLP2024-129, pp. 104-109, March 2025.
Paper # NLP2024-129 
Date of Issue 2025-03-06 (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 MSS2024-88 NLP2024-129

Conference Information
Committee NLP MSS  
Conference Date 2025-03-13 - 2025-03-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Miyakojima City Central Community Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) MSS, NLP, etc. 
Paper Information
Registration To NLP 
Conference Code 2025-03-NLP-MSS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A chaotic search method incorporating stochastic firing decision for Vehicle Routing Problem with Time Windows 
Sub Title (in English)  
Keyword(1) Vehicle Routing Problems  
Keyword(2) Combinatorial optimization problems  
Keyword(3) Chaotic Search  
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1st Author's Name Takeshi Nakano  
1st Author's Affiliation Nippon Institute of Technology (NIT)
2nd Author's Name Nozomi Kotake  
2nd Author's Affiliation Nippon Institute of Technology (NIT)
3rd Author's Name Kazuma Nakajima  
3rd Author's Affiliation Nippon Institute of Technology (NIT)
4th Author's Name Takafumi Matsuura  
4th Author's Affiliation Nippon Institute of Technology (NIT)
5th Author's Name Takayuki Kimura  
5th Author's Affiliation Nippon Institute of Technology (NIT)
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Speaker Author-1 
Date Time 2025-03-13 16:45:00 
Presentation Time 110 minutes 
Registration for NLP 
Paper # MSS2024-88, NLP2024-129 
Volume (vol) vol.124 
Number (no) no.431(MSS), no.432(NLP) 
Page pp.104-109 
#Pages 6 
Date of Issue 2025-03-06 (MSS, NLP) 

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