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A case study on the coordination of last trains for the Beijing subway network

机译:北京地铁网末班车协调研究

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摘要

Passengers may make several transfers between different lines to reach their destinations in urban railway transit networks. Coordination of last trains in feeding lines and connecting lines at transfer stations is especially important because it is the last chance for many travellers to transfer. In this paper, a mathematical method is used to reveal the relationships between passenger transfer connection time (PTCT) and passenger transfer waiting time (PTWT). A last-train network transfer model (LNTM) is established to maximize passenger transfer connection headways (PTCH), which reflect last-train connections and transfer waiting time. Additionally, a genetic algorithm (GA) is developed based upon this LNTM model and used to test a numerical example to verify its effectiveness. Finally, the Beijing subway network is taken as a case study. The results of the numerical example show that the model improves five connections and reduces to zero the number of cases when a feeder train arrives within one headway's time after the connecting train departed.
机译:乘客可以在不同线路之间进行多次换乘,以到达城市铁路交通网络中的目的地。协调中转站的支线和连接线的末班车尤为重要,因为这是许多旅客转机的最后机会。本文采用数学方法揭示了旅客换乘时间(PTCT)与旅客换乘等待时间(PTWT)之间的关系。建立了末班车网络换乘模型(LNTM),以最大化乘客换乘连接行距(PTCH),该模型反映了末班车连接和换乘等待时间。此外,基于该LNTM模型开发了遗传算法(GA),并用于测试数值算例以验证其有效性。最后,以北京地铁网络为例。数值算例的结果表明,该模型改善了5个连接,并将接驳列车在连接列车出发后1个车头内到达的案例数量减少到零。

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