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Train Service Planning for Passenger Dedicated Railway Line Based on Analyzing Importance of Nodes

DU Xin1,NIU Yongtao2,HAN Baoming2,LIU Min2,ZHU Qinglan2(1.Department of Transportation,MOR,P.R.China,Beijing 100844,China;2.School of Traffic and Transportation,Beijing Jiaotong University,Beijing 100044,China)  
Starting from the analysis of the economic and social attributes as well as railway resource allocation of the passenger dedicated line(PDL)covered nodes,this thesis introduces the concept of the importance of nodes.On the basis of analytical hierarchy process,the thesis studies the quantitative index of the nodes transport distribution capacity in the PDL network and calculates the evaluation indexes on the importance of those city nodes.Thus,in the light of the assessment results,the thesis sets up the three-level hierarchy in the importance of city nodes covered by the PDL.Based on that,the thesis proposes that the first-level nodes serving as the departure and arrival stations,the second-level nodes adopting the fluid and alternate stop stations,and the tertiary-level nodes takeing the form of "all-stop" for low-class trains so as to build a multi-objective programming model for the PDL train line planning.With the lingo 8.0 program,the train line planning optimizes the calculation of stop stations.This method has been applied in the train line planning of Wuhan-Guangzhou high-speed railway line and proved to be very effective in reducing the complexity of the train service planning problem.
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