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Two-phase heuristic for SNCF rolling stock problem

  • Mirsad Buljubašić
  • Michel Vasquez
  • Haris Gavranović
Rolling Stock Unit Management
  • 53 Downloads

Abstract

A two-phase approach was adopted to solve the problem given during the ROADEF/EURO Challenge 2014 competition. The problem focuses on rolling stock management at railway sites, as defined by French Railways (SNCF). In the first phase, a train assignment problem is solved by combining a greedy heuristic procedure with integer programming. The objective is to maximize the number of assigned departures while meeting technical constraints. The second phase consists of scheduling train movements inside the station while minimizing the number of cancelled (uncovered) arrivals and departures. This schedule has to comply with resource constraints such as capacity, length, order of trains, etc. A constructive heuristic is used to build a feasible schedule, which is subject to improvement by an iterative procedure based on a local search. Experiment results, that demonstrate the effectiveness of our approach on the large scale instances provided by SNCF, are presented hereafter.

Keywords

Greedy heuristic Integer programming Local search Rolling stock Scheduling 

References

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Copyright information

© Springer Science+Business Media New York 2017

Authors and Affiliations

  • Mirsad Buljubašić
    • 1
  • Michel Vasquez
    • 1
  • Haris Gavranović
    • 2
  1. 1.LGI2P LaboratoryEcole des Mines d’AlèsNîmesFrance
  2. 2.International University of SarajevoSarajevoBosnia and Herzegovina

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