Optimization of Rolling Stock Rotations

  • This chapter shows a successful approach how to model and optimize rolling stock rotations that are required for the operation of a passenger timetable. The underlying mathematical optimization problem is described in detail and solved by RotOR, i.e., a complex optimization algorithm based on linear programming and combinatorial methods. RotOR is used by DB Fernverkehr AG (DBF) in order to optimize intercity express (ICE) rotations for the European high-speed network. We focus on main modeling and solving components, i.e. a hypergraph model and a coarse-to-fine column generation approach. Finally, the chapter concludes with a complex industrial re-optimization application showing the effectiveness of the approach for real world challenges.

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Author:Markus Reuther, Thomas Schlechte
Document Type:Book chapter
Parent Title (English):Handbook of Optimization in the Railway Industry
First Page:213
Last Page:241
Series:International Series in Operations Research & Management Science
Publisher:Springer International Publishing
Year of first publication:2018