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A Three-Phase Heuristic for Cyclic Crew Rostering with Fairness Requirements

Please always quote using this URN: urn:nbn:de:0297-zib-74297
  • In this paper, we consider the Cyclic Crew Rostering Problem with Fairness Requirements (CCRP-FR). In this problem, attractive cyclic rosters have to be constructed for groups of employees, considering multiple, a priori determined, fairness levels. The attractiveness follows from the structure of the rosters (e.g., sufficient rest times and variation in work), whereas fairness is based on the work allocation among the different roster groups. We propose a three-phase heuristic for the CCRP-FR, which combines the strength of column generation techniques with a large-scale neighborhood search algorithm. The design of the heuristic assures that good solutions for all fairness levels are obtained quickly, and can still be further improved if additional running time is available. We evaluate the performance of the algorithm using real-world data from Netherlands Railways, and show that the heuristic finds close to optimal solutions for many of the considered instances. In particular, we show that the heuristic is able to quickly find major improvements upon the current sequential practice: For most instances, the heuristic is able to increase the attractiveness by at least 20% in just a few minutes.

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Author:Thomas Breugem, Ralf BorndörferORCiD, Thomas Schlechte, Christof Schulz
Document Type:ZIB-Report
Tag:Column Generation; Crew Planning; Variable-Depth Neighborhood Search
Date of first Publication:2019/08/07
Series (Serial Number):ZIB-Report (19-43)
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