通道交通方式組合的資源消耗測算及優(yōu)化研究
[Abstract]:Transportation is the basic industry of our economy, which has played an important role in the development of national society and economy, and further developed an efficient and coordinated comprehensive transportation system. It is the inevitable trend of the development of transportation industry. Transport passageway is the skeleton and major artery of national and regional transportation system, which is responsible for most or all transportation tasks of transportation links between different regions. It is very important to set up a comprehensive transportation system for the rational allocation of transportation resources in transport passageways. At present, the transportation channel in our country is developing rapidly, but the theoretical research on the consumption of channel resources is still very weak, there is no complete theoretical system, and it is difficult to guide the planning, construction and operation management of the passage. Therefore, a series of important issues, such as the composition of channel resource consumption, the interaction between channel resource consumption and transport efficiency, the optimal allocation of channel transport resources, and so on, are studied systematically and comprehensively, and the corresponding research framework and theoretical system are established. It has important theoretical value and practical guiding significance to the planning, construction and operation management of transportation passage. Under this background, this paper attempts to explore the relationship between transport channel resource consumption and transport efficiency, and then calculates and optimizes the resource consumption of transport channel from the point of view of transport efficiency. On the basis of summarizing a large number of related literatures, this paper reviews the related research results such as calculation and optimization of traffic resource consumption, introduces the definition, characteristics and allocation approach of traffic resources, and determines the quantitative index of transportation efficiency. The relationship between transport efficiency and channel resource consumption is analyzed in detail. Secondly, the structure and cost characteristics of resource consumption in single mode of transportation are analyzed in detail, and the resource consumption is divided into two parts: fixed cost and variable cost. The whole process of construction, operation, maintenance, labor and time consumption will be completed from its beginning to abandonment. The cost of energy consumption, environmental pollution and traffic accidents is included in the objective function, and the calculation model of resource consumption in the whole life cycle of single mode of transportation is built, and then the calculation formula of the system cost of transportation channel per unit turnover is obtained. Then, the paper focuses on the study of the system cost of the unit turnover of the two combined modes of transportation, taking the minimum cost of the system of the unit turnover of the channel as the value of the objective function. The resource consumption optimization model of channel traffic mode combination is constructed and the corresponding solution algorithm is put forward. Finally, in order to verify the correctness and feasibility of the theoretical method of optimal allocation of channel resources in this paper, according to the theoretical method system in this paper, a representative transport channel in China is selected for empirical research and analysis. The method is proved to be scientific and feasible, which provides theoretical guidance and technical support for the construction and optimization of integrated transportation channel.
【學(xué)位授予單位】:長安大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2015
【分類號】:U116
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