Freight railway operator timetabling and engine scheduling |
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Authors: | Lukas Bach Michel Gendreau Sanne Wøhlk |
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Institution: | 1. Cluster for Operations Research and Logistics, Department of Economics and Business, Aarhus University, Aarhus, Denmark;2. CIRRELT and MAGI, École Polytechnique de Montréal, Montréal, QC, Canada |
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Abstract: | In this paper we consider timetable design at a European freight railway operator. The timetable is designed by choosing the time of service for customer unit train demands among a set of discrete points. These discrete points are all found within the a time-window. The objective of the model is to minimize cost while adhering to constraints regarding infrastructure usage, demand coverage, and engine availability. The model is solved by a column generation scheme where feasible engine schedules are designed in a label setting algorithm with time-dependent cost and service times. |
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Keywords: | Freight railway Timetabling Branch-and-Price Transportation Scheduling |
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