Research On Reasonable Running Distance Of Train On High-speed Railway

With the development of the national economy,the consumption capacity of some parts of China has been greatly improved,when people travel,they have high requirements on the transport efficiency,comfort of the journey,etc.But in some areas,the increase of consumption ability is not obvious.People pay more attention to the cost of transportation service when they travel.The running distance of trains is an important basis for arranging transportation services reasonably,and is the basis of train operation plan.It plays an important role in the rationality of railway transport organization.The high-speed railway in China has made great leap forward development.But behind the success,we need to see the hidden problem,that is,the difference of transportation demand between different economic levels.High-speed railways have different advantages in short,medium and long distance transportation.Based on the above ideas,this article from the perspective of the transportation market,based on the technology of high speed railway transportation organization,the reasonable running distance of trains under different economic levels is studied.Based on the analysis of related domestic and foreign research issues,this paper combines the background of comprehensive transportation market,and through qualitative and quantitative analysis to determine the calculation method for the reasonable running distance of the train.The main research contents are as follows:(1)This paper collected and collated data,analyzed the situation of the transport organizations and distances of domestic and foreign high-speed railways,summarized and compared to the domestic and international train distance characteristics,expounded the relationships and mutual influence between the train running distance and the transport organization.(2)The reasonable running distance of the train described in the article is defined.From the transportation organization technology in high-speed railway system and the transportation market outside the system,the effect of transport organization technology,and passenger,and market competition on train distance are analyzed qualitatively,and determined the factors affecting the train running distance.(3)The principle of the calculation method for the train running distance is determined.From the aspects of transport organization technology and transport market elements,quantitative analysis of the factors affecting the train running distance and the the relationship between the factors and the train running distance.Based on the transportation distance and passenger time value,the cost function of each influencing factor was obtained when the passenger chooses a certain transportation.Considering travel choice preference of passenger,the weight coefficient of the cost function of various influencing factors on different transportation distances was determined,and multiply the cost function by the weight.Took the weighted cost as the medium,used the standardized method,each cost function was converted into utility and the comprehensive utility was obtained.The calculation method for the reasonable running distance of the train is determined,and the calculation method is demonstrated by an example.(4)Starting from the national high-speed rail network,this paper collected and analyzed the data from the national high-speed rail network and node economic,used graph and network method and cluster analysis method to deal with data of road network and economic data of nodes,used the calculation method for reasonable distances of high-speed railway trains,determined the reasonable running distance of trains for different grades of originating trains.Combined the result of the data processing of the high-speed rail network and the calculation result of the train reasonable running distance,determined the train radiation range of the starting train of each node.The calculation results are compared with the current train running distance,which is consistent with the actual situation.