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Paper Abstract and Keywords
Presentation 2026-05-16 15:00
Selective maintenance and repairperson assignment with skill-group-based workload balancing
Taishin Nakamura (Kansai Univ.), Rin Nakajima, Keito Nakaya (Tokai Univ.) R2026-5
Abstract (in Japanese) (See Japanese page) 
(in English) This study focuses on repairperson assignment and workload balancing in the selective maintenance problem and proposes optimization models that incorporate skill constraints. Conventional leveling models apply a single leveling criterion to all maintenance workers, making it difficult to adequately handle work constraints arising from differences in skills. To address this issue, this study first introduces skill constraints into an existing model, and further proposes a model that performs workload leveling for each skill group. Computational experiments demonstrate that the proposed model consistently obtains feasible solutions even under strict workload balancing constraints. These results indicate that the proposed approach is effective for practical maintenance planning considering heterogeneous skill levels.
Keyword (in Japanese) (See Japanese page) 
(in English) Selective Maintenance Problem / Repairperson Assignment / Workload Balancing / Skill Constraints / Mixed Integer Linear Programming / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 26, R2026-5, pp. 20-25, May 2026.
Paper # R2026-5 
Date of Issue 2026-05-09 (R) 
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 R2026-5

Conference Information
Committee R  
Conference Date 2026-05-16 - 2026-05-16 
Place (in Japanese) (See Japanese page) 
Place (in English) TOBA Chamber of Commerce and Industry (Mie) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Software Reliability, Reliability General 
Paper Information
Registration To R 
Conference Code 2026-05-R 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Selective maintenance and repairperson assignment with skill-group-based workload balancing 
Sub Title (in English)  
Keyword(1) Selective Maintenance Problem  
Keyword(2) Repairperson Assignment  
Keyword(3) Workload Balancing  
Keyword(4) Skill Constraints  
Keyword(5) Mixed Integer Linear Programming  
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1st Author's Name Taishin Nakamura  
1st Author's Affiliation Kansai University (Kansai Univ.)
2nd Author's Name Rin Nakajima  
2nd Author's Affiliation Tokai University (Tokai Univ.)
3rd Author's Name Keito Nakaya  
3rd Author's Affiliation Tokai University (Tokai Univ.)
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Speaker Author-1 
Date Time 2026-05-16 15:00:00 
Presentation Time 25 minutes 
Registration for R 
Paper # R2026-5 
Volume (vol) vol.126 
Number (no) no.26 
Page pp.20-25 
#Pages 6 
Date of Issue 2026-05-09 (R) 

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