Combinatorial and robust optimisation models and algorithms for railway applications

Combinatorial and robust optimisation models and algorithms for railway applications

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Article ID: iaor20115751
Volume: 9
Issue: 2
Start Page Number: 215
End Page Number: 218
Publication Date: Jun 2011
Journal: 4OR
Authors:
Keywords: combinatorial optimization
Abstract:

Railway systems represent a challenging area for operations research, especially when highly‐complex and data‐intensive applications, such as large‐scale transportation networks, are at stake. One of the main issues concerns imperfect information. The classic notion of Robust Optimisation, as a way to represent and handle mathematically systems with not precisely known data, did not prove to be successfully applicable in the railway setting. For this reason a new paradigm has been defined recently in Liebchen et al. (2007): Recoverable robustness. Here we present our research on recoverable robust optimisation models for two important railway problems: Train platforming and Rolling stock planning.

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