市郊轨道交通快慢车多编组交路计划的优化研究——以武汉地铁6号线为例

Optimizing Train Plan with Express-local and Multi-Marshalling Modes for Suburban Rail Transit——Taking Wuhan Metro Line 6 as an example

市郊轨道交通客流具有明显的时空分布不均衡特性,文中在采用大小交路套跑的基础上,考虑加入快慢车,多编组的运输组织模式,综合考虑线路通过能力、车辆编组数上限、最小发车频率、满载率上限等约束,建立了多目标整数规划模型;以早高峰时段的武汉轨道交通6号线为实例,求解最优交路计划,通过对比分析得出该模型的有效性;结果表明,采用大小交路快慢车多编组的运营组织方式对客流的时空分布不均衡问题具有良好的适应性,对市郊轨道交通运营企业的运输组织提供了参考性依据。

Suburban rail transit passenger flow has obvious characteristics of unbalanced spatial and temporal distribution.On the basis of adopting full-length and short-turn routing,considering joining express-local trains modes,multi-marshalling transport organization model,Adding constraints including line capacity,upper limit of vehicle marshalling number,minimum departure frequency,upper limit of full load rate,Establishing multi-objective Integer Programming Model.Taking Wuhan Rail Transit Line 6 in the early rush hour as an example and solving optimal route planning,the validity of the model is obtained through comparative analysis.The results show that express-local and multi-marshalling modes has good adaptability to the unbalanced spatial and temporal distribution of passenger flow.This provides a reference basis for the transportation organization of suburban rail transit operation enterprises.