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DOI: 10.4230/OASIcs.ATMOS.2009.2142
URN: urn:nbn:de:0030-drops-21427
URL: http://drops.dagstuhl.de/opus/volltexte/2009/2142/

Márton, Peter ; Maue, Jens ; Nunkesser, Marc

An Improved Train Classification Procedure for the Hump Yard Lausanne Triage

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Abstract

In this paper we combine an integer programming approach and a computer simulation tool to successfully develop and verify an improved classification schedule for a real-world train classification instance. First, we derive an integer program for computing train classification schedules based on an earlier developed bitstring representation of such schedules. We show how to incorporate various practical restrictions in this model. Secondly, we apply the model to one day of traffic data of the Swiss classification yard Lausanne Triage. We incorporate all the operational and infrastructural restrictions of this yard instance in our integer program. Even with this high number of restrictions, we are able to compute a schedule that saves a full sorting step and one track compared to the currently applied procedure. We finally show this improved schedule is applicable in practice by a thorough computer simulation.

BibTeX - Entry

@InProceedings{mrton_et_al:OASIcs:2009:2142,
  author =	{Peter M{\'a}rton and Jens Maue and Marc Nunkesser},
  title =	{{An Improved Train Classification Procedure for the Hump Yard Lausanne Triage}},
  booktitle =	{9th Workshop on Algorithmic Approaches for Transportation Modeling, Optimization, and Systems (ATMOS'09)},
  series =	{OpenAccess Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-11-8},
  ISSN =	{2190-6807},
  year =	{2009},
  volume =	{12},
  editor =	{Jens Clausen and Gabriele Di Stefano},
  publisher =	{Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{http://drops.dagstuhl.de/opus/volltexte/2009/2142},
  URN =		{urn:nbn:de:0030-drops-21427},
  doi =		{http://dx.doi.org/10.4230/OASIcs.ATMOS.2009.2142},
  annote =	{Keywords: Train classification, shunting of rolling stock, simulation tools for transport operations, infrastructure planning, freight trains}
}

Keywords: Train classification, shunting of rolling stock, simulation tools for transport operations, infrastructure planning, freight trains
Freie Schlagwörter (englisch): Train classification, shunting of rolling stock, simulation tools for transport operations, infrastructure planning, freight trains
Seminar: 9th Workshop on Algorithmic Approaches for Transportation Modeling, Optimization, and Systems (ATMOS'09)
Issue date: 2009
Date of publication: 25.11.2009


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