A two-layer optimization model for high-speed railway line planning

查看全文 作　　者：Li WANG Li-min JIA Yong QIN Jie XU Wen-ting [1]MO

机构地区：[1]State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing 100044, China

出　　处：《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》索引2011年第12卷第12期,共11页

基　　金：Project supported by the National Natural Science Foundation of China(No.61074151);the National Key Technology R&D Program of China(Nos.2008BAG11B01 and 2009BAG12A10);the Research Fund of the State Key Laboratory of Rail Traffic Control and Safety(Nos.RCS2008ZZ003 and RCS2009ZT002);the Research Fund of Beijing Jiaotong University(No.2011YJS035),China 摘　　要：Line planning is the first important strategic element in the railway operation planning process,which will directly affect the successive planning to determine the efficiency of the whole railway system.A two-layer optimization model is proposed within a simulation framework to deal with the high-speed railway (HSR) line planning problem.In the model,the top layer aims at achieving an optimal stop-schedule set with the service frequencies,and is formulated as a nonlinear program,solved by genetic algorithm.The objective of top layer is tominimize the total operation cost and unserved passenger volume.Given a specific stop-schedule,the bottom layer focuses on weighted passenger flow assignment,formulated as a mixed integer program with the objective of maximizing the served passenger volume andminimizing the total travel time for all passengers.The case study on Taiwan HSR shows that the proposed two-layer model is better than the existing techniques.In addition,this model is also illustrated with the Beijing-Shanghai HSR in China.The result shows that the two-layer optimization model can reduce computation complexity and that an optimal set of stop-schedules can always be generated with less calculation time. 关键词：线计划站时间表旅客赋值高速度的铁路(高速阅读器)

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A two-layer optimization model for high-speed railway line planning

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