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  4. Optimizing rolling stock assignment and maintenance plan for passenger railway operations
 
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Optimizing rolling stock assignment and maintenance plan for passenger railway operations

Journal
Computers and Industrial Engineering
Journal Volume
85
Pages
284
Date Issued
2015-07-01
Author(s)
YUNG-CHENG LAI  
Fan, Dow Chung
KWEI-LONG HUANG  
DOI
https://api.elsevier.com/content/abstract/scopus_id/84928493333
10.1016/j.cie.2015.03.016
URI
https://scholars.lib.ntu.edu.tw/handle/123456789/425351
URL
https://api.elsevier.com/content/abstract/scopus_id/84928493333
Abstract
© 2015 Elsevier Ltd. All rights reserved. The efficient use of railway rolling stock is an important objective pursued in a railway agency or company because of intensive capital investment in rolling stock. Daily rolling stock assignment assigns appropriate equipment to cover a given set of utilization paths in the utilization schedules while considering practical requirements, such as maintenance, depot capacity, and circulation rules. Experienced railway practitioners can generally produce a feasible assignment plan; however, this manual process is time consuming, and an optimal solution is not guaranteed. This research develops an exact optimization model to improve the efficiency in rolling stock usage with consideration of all necessary regulations and practical constraints. Compared to the manual process, a hybrid heuristic process is also developed to improve solution quality and efficiency. Empirical results demonstrate that the heuristic process can successfully increase the efficiency of rolling stock use by about 5% and significantly reduce the solution time from 3 h to 11.2 s. Using this decision support tool can help railways with similar characteristics to improve the efficiency in rolling stock usage and productivity in rolling stock assignment process.
Subjects
Decision-support model | Heuristics | Maintenance planning | Rail transportation | Rolling stock assignment planning
SDGs

[SDGs]SDG11

Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Type
journal article

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To permanently archive and promote researcher profiles and scholarly works, Library integrates the services of “NTU Repository” with “Academic Hub” to form NTU Scholars.

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