华南理工大学学报（自然科学版）2025，Vol.53Issue(12)：61-70,10.DOI:10.12141/j.issn.1000-565X.250107
城市轨道交通客流廊道跨线列车开行方案的优化
Optimization of Cross-Line Train Operation Scheme for Passenger Flow Corridors in Urban Rail Transit
摘要
Abstract
Urban rail transit passenger flow corridor connect core urban areas with key functional zones across dif-ferent urban spatial layers,representing concentrated areas of urban spatial resources and economic activities.Their transportation efficiency significantly impacts both the capacity of the rail transit network and socio-economic activities.Focusing on these corridors,this study adopts a"trunk line with multiple branches"topological structure to develop a multi-objective nonlinear optimization model that minimizes enterprise operational costs,passenger travel costs,and load factor imbalance.The model uses train frequency and marshaling plans as decision variables as decision variables,solved via an NSGA-Ⅱ algorithm.Using Beijing's Huilongguan/Tiantongyuan-Zhongguancun cor-ridor as a case study,the model demonstrates effective accommodation of multi-directional travel demand between residential and employment hubs.To evaluate optimization performance,an improved distance-based optimal solu-tion selection method identifies a solution with 2 639.17 h(passenger travel time),103 716.24 yuan(operational cost),and 0.086(load factor imbalance).Compared to isolated line operation schemes,this achieves 14.09%reduction in passenger travel time and 43.01%lower load factor imbalance,with a 17.22%increase in operational costs.At the same time,in complex line networks,the restrictions of the maximum carrying capacity of the main line section and the minimum service level of the branch section have a great impact on the effect of the optimiza-tion scheme.By increasing the upper limit of the main line capacity,the study investigates the impact of capacity restrictions on the optimization of train operation schemes in passenger flow corridors.The results show that under the condition of improving the line carrying capacity,the diversity of Pareto solutions increases,passenger travel time is significantly reduced,and the balance of service is improved.These findings provide empirical guidance for cross-line operation planning and practical rail transit management.关键词
城市轨道交通/客流廊道/跨线运营/列车开行方案/多目标非线性优化Key words
urban rail transit/passenger flow corridor/cross-line operation/train operation scheme/multi-objective nonlinear optimization分类
交通工程引用本文复制引用
许奇,庞立言,薛力恺,李洁珲,贺鹏..城市轨道交通客流廊道跨线列车开行方案的优化[J].华南理工大学学报（自然科学版）,2025,53(12):61-70,10.基金项目
国家自然科学基金项目(72471024)Supported by the National Natural Science Foundation of China(72471024) （72471024）
