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A heuristic algorithm for the circulation plan of railway electrical motor units

机译:铁路电动机机组循环计划的启发式算法

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摘要

The rolling stock rostering problem with maintenance constraints is NP-hard. In this paper, a two-stage approach is proposed. Relaxing the maintenance constraints, a transition network with minimum train unit is established in the first stage. A heuristic algorithm based on the transitions interchange is devised to search for a feasible maintenance route. The algorithm is verified with the operational timetable of Guangzhou-Shenzhen railway, and the performance is satisfactory. Without consideration of empty movements, the algorithm can just be applied in the situation where the depots are well planned.
机译:具有维护约束的机车车辆排班问题是NP-难的。本文提出了一种两阶段的方法。放宽维护限制,在第一阶段建立了具有最少列车单元的过渡网络。设计了一种基于过渡互换的启发式算法,以寻找可行的维护路径。通过广深铁路运营时间表对该算法进行了验证,性能令人满意。在不考虑空运的情况下,该算法仅适用于精心规划的仓库。

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