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Research on the Interrelated Problems of Emu Scheduling for Beijing-Shanghai High-Speed Railway

Author: GengJingChun
Tutor: NiShaoQuan
School: Southwest Jiaotong University
Course: Traffic and Transportation Engineering
Keywords: passenger dedicated line(PDL) beijing-shanghai high-speed railway electric multiple unit (EMU) circulating diagram genetic algorithm
CLC: U292.61
Type: Master's thesis
Year: 2009
Downloads: 270
Quote: 4
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Abstract


Electric multiple unit(EMU) scheduling is one of the key technologies in traffic operation organization for high-speed railway. The maximization of economic benefit required that the quantitative of railway equipments are reasonable, and the high speed EMUs which occupy a great portion in the overall investment of railway equipments is most important mobile equipments in the process of transportation production. While the transport tasks are determined, enhancing the efficiency of the high speed EMUs and reducing their quantities is the effective ways to reducing the investment costs, operation costs and enhancing the economic efficiency. The high-speed railway of our country starts relatively late, and the experiences in the application and maintenance of the EMUs are seriously deficient. In the next few years, some high-speed railways (passenger dedicated lines), such as Beijing-shanghai high-speed railway, Beijing-guangzhou and zhengzhou-xi’an passenger dedicated line, etc. will be constructed and put into operation, but the mature theoretical of the operation management and transportation planning system have not formed. Therefore, it is very urgent and necessary to further study on the application and maintenance of the high speed EMUs.This paper analyzes the achievements of correlated studies of the EMUs application both at home and abroad. Based on the existing EMUs application, inspection and repair system, maintenance mode, repair class, management organization, combined with the maintenance base planning, this paper proposes the maintenance mode and utilization plan organizing institution. According to the requests of repair class and repair system of the EMUs, the paper suggest that the secondary maintenance is only considered while the multiple units routing is planning, and the reserved EMUs in multiple units depot should substitutes for those EMUs to run while the maintenance level is tertiary and above.With the analysis of the EMUs operational mode, the main influence factors of the EMUs utilization plan organizing are studied. Based on the theory of the non-fixing section application of the EMUs, it suggests the periodic application way of the EMUs, and proposes its principle and goal function; base on the railway network and the comprehensive maintenances, the paper give the mathematical model of the periodic utilization planning of the multi-static and multi-type multiple units using the traveling salesman problem (TSP). Then combined with the characteristic of the Beijing-shanghai high speed railway, three operation plans of the multiple units is presented, and the alternate operation mode of in-line and overline EMUs is recommended.Finally, the EMUs utilization planning is simulated by using computer simulation technology. The model applies genetic algorithm, greedy algorithm and backtracking algorithm to deal with the optimization adequately in the process of the utilization planning. Through analyzing the simulation process and main function modules of the EMUs utilization planning system, the software of the EMU scheduling simulation system is developed for the dedicated passenger lines, which may present the EMU circulating diagrams, and the content, time and location of maintenance. And take Beijing-shanghai high-speed railway as an example, some suggestions about the EMUs utilization plan and the number of EMUs in service are put forward, and some valuable research results will be provided for the multi-purpose use and maintenance management of EMUs on special lines for passenger traffic.

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CLC: > Transportation > Rail transport > Rail transport management projects > Organization of train > Technical programs and rolling stock turnover > The locomotive working ( use )
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