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An optimization model for integrated planning of railway traffic and network maintenance
Linköping University, Department of Science and Technology, Communications and Transport Systems. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-1643-6365
Linköping University, Department of Science and Technology, Communications and Transport Systems. Linköping University, Faculty of Science & Engineering.
2017 (English)In: Transportation Research Part C: Emerging Technologies, ISSN 0968-090X, E-ISSN 1879-2359, Vol. 74, 327-347 p.Article in journal (Refereed) Published
Abstract [en]

Abstract Railway transportation systems are important for society and have many challenging and important planning problems. Train services as well as maintenance of a railway network need to be scheduled efficiently, but have mostly been treated as two separate planning problems. Since these activities are mutually exclusive they must be coordinated and should ideally be planned together. In this paper we present a mixed integer programming model for solving an integrated railway traffic and network maintenance problem. The aim is to find a long term tactical plan that optimally schedules train free windows sufficient for a given volume of regular maintenance together with the wanted train traffic. A spatial and temporal aggregation is used for controlling the available network capacity. The properties of the proposed model are analyzed and computational experiments on various synthetic problem instances are reported. Model extensions and possible modifications are discussed as well as future research directions.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 74, 327-347 p.
Keyword [en]
Railway scheduling, Maintenance planning, Optimization
National Category
Transport Systems and Logistics Computer Science Computational Mathematics Computer Systems Other Computer and Information Science
Identifiers
URN: urn:nbn:se:liu:diva-132961DOI: 10.1016/j.trc.2016.11.016ISI: 000392038500020OAI: oai:DiVA.org:liu-132961DiVA: diva2:1052249
Note

Funding agencies: Swedish Transport Administration [TRV 2013/55886]

Available from: 2016-12-06 Created: 2016-12-06 Last updated: 2017-02-15Bibliographically approved
In thesis
1. Towards concurrent planning of railway maintenance and train services
Open this publication in new window or tab >>Towards concurrent planning of railway maintenance and train services
2016 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

Efficiency in the public and freight transportation systems is of crucial importance for a society. Railways can offer high capacity and relatively low environmental impact, but require that several technical systems are tuned and operate well. Specifically there is a very tight interdependency between infrastructure and trains, which distinguishes railways from other transportation modes. Thus maintenance of all the subsystems is needed.

Railways do also have some specific and complicating properties that influence maintenance and operations: Most activities need exclusive access to the infrastructure and - due to the geographic layout, safety requirements and partitioning of the subsystems - large portions of the network will be affected by each activity. Furthermore, several organisational units and resources are involved, ranging from governments and regulatory bodies, over operators and contractors to suppliers, technical experts and work forces. Thus railway maintenance is complicated to organize and consumes large budgets.

This thesis treats the planning and scheduling problems that concern railway infrastructure maintenance and the coordination with train traffic. Mathematical methods and optimization are studied and used, with the aim of advancing the knowledge about models for solving such problems.

The thesis contains three papers and presents: (1) A survey regarding railway maintenance activities, the major planning problems and the conducted research so far; (2) A model for quantitative comparison and assessment of competing capacity requests from train operations and maintenance; (3) An optimization model for integrated scheduling of both maintenance windows and train services.

The work can be helpful for practitioners as well as researchers who want to take further steps in this interesting and challenging area. Based on the results that have been obtained, future research directions are presented that may lead towards practical use of concurrent planning of railway maintenance and train services.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2016. 50 p.
Series
Linköping Studies in Science and Technology. Thesis, ISSN 0280-7971 ; 1746
National Category
Transport Systems and Logistics Production Engineering, Human Work Science and Ergonomics Environmental Analysis and Construction Information Technology
Identifiers
urn:nbn:se:liu:diva-128780 (URN)10.3384/lic.diva-128780 (DOI)LIU-TEK-LIC-2016 (Local ID)978-91-7685-774-8 (ISBN)LIU-TEK-LIC-2016 (Archive number)LIU-TEK-LIC-2016 (OAI)
Presentation
2016-06-09, SP34, Campus Norrköping, Linköpings universitet, Norrköping, 10:00 (Swedish)
Opponent
Supervisors
Projects
Efficient planning of railway infrastructure maintenance
Funder
Swedish Transport Administration, TRV 2013/55886
Available from: 2016-09-05 Created: 2016-05-30 Last updated: 2016-12-12Bibliographically approved

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The full text will be freely available from 2017-12-06 08:00
Available from 2017-12-06 08:00

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