Maintenance scheduling for railway tracks under limited possession time

Cuong Dao, Rob Basten, Andreas Hartmann

Research output: Contribution to journalArticleAcademicpeer-review

3 Citations (Scopus)

Abstract

Maintenance planning for busy railway systems is challenging because there is growing pressure on increasing operation time, which reduces the infrastructure-accessible time for maintenance. This paper proposes an optimization model that is aimed at finding the best maintenance schedule for multiple components in a railway track to minimize the total cost in the planning horizon. One distinct and practical feature of the model is that the track accessible time for maintenance is limited. We formulate all relevant costs in the component's life cycle, including maintenance cost, fixed track-closure (possession) cost, social-economic cost related to the effects of maintenance time on the train operation, and service-life shortening cost due to the shifting of activities. Generally, it is beneficial to cluster and maintain several components in a single possession because this helps reduce the cost by occupying the track only once. However, the decision must depend on the available possession time. A sensitivity analysis is performed to highlight the effects of available possession time on the number of required possessions as well as the total cost incurred.

Original languageEnglish
Article number04018039
JournalJournal of Transportation Engineering Part A: Systems
Volume144
Issue number8
DOIs
Publication statusPublished - 1 Aug 2018

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possession
scheduling
German Federal Railways
Scheduling
costs
Costs
Planning
planning
time
optimization model
Service life
social economics
life cycle
Sensitivity analysis
Life cycle
infrastructure
Economics

Cite this

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title = "Maintenance scheduling for railway tracks under limited possession time",
abstract = "Maintenance planning for busy railway systems is challenging because there is growing pressure on increasing operation time, which reduces the infrastructure-accessible time for maintenance. This paper proposes an optimization model that is aimed at finding the best maintenance schedule for multiple components in a railway track to minimize the total cost in the planning horizon. One distinct and practical feature of the model is that the track accessible time for maintenance is limited. We formulate all relevant costs in the component's life cycle, including maintenance cost, fixed track-closure (possession) cost, social-economic cost related to the effects of maintenance time on the train operation, and service-life shortening cost due to the shifting of activities. Generally, it is beneficial to cluster and maintain several components in a single possession because this helps reduce the cost by occupying the track only once. However, the decision must depend on the available possession time. A sensitivity analysis is performed to highlight the effects of available possession time on the number of required possessions as well as the total cost incurred.",
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Maintenance scheduling for railway tracks under limited possession time. / Dao, Cuong; Basten, Rob; Hartmann, Andreas.

In: Journal of Transportation Engineering Part A: Systems, Vol. 144, No. 8, 04018039, 01.08.2018.

Research output: Contribution to journalArticleAcademicpeer-review

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