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列车接续约束是周期性列车运行图编制模型重要且最具特色的约束之一,其目标是提高周期性列车运行图服务换乘客流的质量。如何合理设计列车接续关系成为周期性列车运行图在我国高速铁路网大规模应用中亟待解决的问题之一。本文基于周期性列车开行方案研究列车接续约束生成流程及关键技术,提出列车接续存在耦合性,该性质导致列车接续冲突;研究列车接续冲突判断标准,提出消解列车接续冲突的破圈法;在找出备选列车接续冲突关系基础上建立列车接续约束生成模型;以我国高速铁路的周期性列车开行方案为例验证了模型的有效性。
Train connection restraint is one of the most important and characteristic restraints of periodic train operation diagram compilation model. Its goal is to improve the quality of service flow of passenger trains on periodic train operation plans. How to design a train connection rationally becomes one of the problems to be solved urgently in the large-scale application of high-speed railway network in our country. In this paper, based on the cyclical train operation plan, the generation process and key technologies of train connection constraints are studied. The coupling of train continuity is proposed, which leads to the train continual collision. The judgment criterion of train successive collision is proposed, Based on the continuation of the conflict between candidate trains, the model of train continuation constraints is established. The validity of the model is verified by the example of periodic train operation in China’s high-speed railway.