Requirements and criteria on highly efficient matching of train demand to offered trains paths (ATRANS 2.1)
列车需求与所提供列车路径高效匹配的要求和标准(ATRANS 2.1)
基本信息
- 批准号:257934310
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Grants
- 财政年份:2015
- 资助国家:德国
- 起止时间:2014-12-31 至 2017-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Goal of the subproject ATRANS 2.1 is the determination of scientific parameters for train paths' and train path systems' evaluation, in order to improve the plan stability, quality and robustness.A method for optimal assignment of train paths by the branch-cut-and-price algorithm has been already developed, which implies the research foundation in cooperation with an additional method for train paths assignment and the gained knowledge of ATRANS 2.2.The principles of non-discrimination of each single train path purchaser must be considered and sufficed to a particular and serious degree. Therefore, the effects of the international, European and national legal norms will be evaluated for the train paths assignment and will be modelled by integrating them into linear programs for optimal train paths assignment.The plan stability and robustness of train paths assignment will be investigated by a sensitivity analysis. On the one hand, the right hand side's variation of the linear program will be regarded for the optimal train paths assignment and on the other hand, the train paths assignment will be simulated under consideration of a stochastic demand.For that purpose, an approach for event based simulation will be adapted, which has been developed in beforehand for the investigation of plan algorithms of airport operations.The gained parameters are a necessity for the train paths assignment's future and the enhanced research and efficiency improvements of the trans-European rail freight transport. Furthermore, the time varying and stochastic demands must be considered under the inclusion of the quality evaluation.The data set which will be used for sensitivity analysis will be derived from train path structures of subproject ATRANS 1. Additional train paths will be added to these structures optimally by the already existing timetabling tool TAKT.
子项目atrans2.1的目标是确定列车路径和列车路径系统评估的科学参数,以提高计划的稳定性、质量和鲁棒性。本文提出了一种基于分支降价算法的列车路径优化分配方法,并结合atrans2.2的相关知识,为列车路径优化分配方法的研究奠定了基础。必须考虑和充分考虑每个单一列车路径购买者的不歧视原则,以达到特定和严重的程度。因此,将评估国际、欧洲和国家法律规范对列车路径分配的影响,并通过将它们整合到最佳列车路径分配的线性规划中进行建模。通过灵敏度分析来研究列车路径分配的计划稳定性和鲁棒性。在最优列车路径分配时,一方面考虑线性规划的右侧变化,另一方面,在考虑随机需求的情况下,模拟列车路径分配。为此目的,将采用一种基于事件的模拟方法,这种方法是事先为调查机场操作的计划算法而开发的。所获得的参数对于未来的列车路线分配和跨欧洲铁路货运的研究和效率的提高是必要的。此外,在质量评价中还必须考虑时变需求和随机需求。将用于敏感性分析的数据集将来自ATRANS 1子项目的列车轨道结构。额外的列车路径将通过现有的时间表工具TAKT最优地添加到这些结构中。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Professor Dr. Karl Nachtigall其他文献
Professor Dr. Karl Nachtigall的其他文献
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{{ truncateString('Professor Dr. Karl Nachtigall', 18)}}的其他基金
Timetable-based determination of the capacity of railroad networks under consideration of the service quality
考虑服务质量的基于时刻表的铁路网络容量确定
- 批准号:
512633826 - 财政年份:
- 资助金额:
-- - 项目类别:
Research Grants
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