城市公交樞紐換乘組織優(yōu)化研究
[Abstract]:The rapid development of the city has led to a surge in the demand for travel by residents, posing a great challenge to the urban transportation system, known as the city's "blood and bones," in which case, The rapid development of society and the continuous expansion of urban public transport scope restrict each other. In order to reduce the cost of transportation, reduce the area of land and waste of resources, make the urban public transport system play its due leading position, improve the level of public transport service is the trend of the times. Therefore, it is very important to make a reasonable urban bus departure plan and optimize the departure interval of each bus line in the hub. In this paper, the optimization of bus transfer between different lines in the hub is taken as the starting point, and the queuing theory is used to study and analyze the process of passengers queuing up to get on at the terminal station, and to optimize the departure interval of different lines of public transportation. First of all, the research object is defined as urban conventional public transport. Through a brief overview of the functions and classification of urban public transport hub, it is proposed that bus hub transfer should conform to the principles of continuity, order and efficiency. The passenger queuing system in the hub is described with n random single service system models (M/M/1). Secondly, an optimization model with the goal of minimum total time consumption is established. Before modeling through the actual investigation and data collation, the use of 2? Fitting test was used to examine the distribution of passenger arrival and bus service (not considering the difference of Gao Ping peak). The arrival of both passengers and public transport vehicles is random. In order to make the research more in-depth, the passenger transfer situation in urban public transport hub is simulated by programming method, and the scientific rigor is ensured in the simulation. Set the step interval to 1 minute. The programming simulation can satisfy most of the transfer conditions in the public transport hub, which is consistent with the actual running state. Then, five bus lines in Nanmen Hub of Yinchuan City are selected to simulate and analyze whether the results are consistent with the actual situation. Input the initial departure interval of each bus line obtained by investigation and calculate the passenger transfer relationship between different lines according to the survey data. After the simulation operation, the data information such as bus departure interval, bus service time, bus no-load rate, passenger queue length, passenger boarding and disembarking time and so on can be obtained, and the analysis and inspection are consistent with the actual situation and historical experience. Then the data result is substituted into the minimum total time consuming optimization model, and the optimal departure interval is obtained when the passenger and public transport enterprises' needs reach the equilibrium state in the face of different decision makers. Finally, the paper analyzes and summarizes the research results, points out the shortcomings in the research process and further research directions in the future learning. In a word, the queuing theory is used to optimize the passenger queuing system in the hub, and it is applied to the actual operation and scheduling of public transportation to verify the validity and feasibility of the simulation model. It is of practical significance to provide some theoretical basis for passengers and bus dispatchers.
【學位授予單位】:蘭州交通大學
【學位級別】:碩士
【學位授予年份】:2015
【分類號】:U491.17
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