第三方整車物流企業(yè)乘用車運(yùn)輸網(wǎng)絡(luò)優(yōu)化研究
[Abstract]:In recent years, with the vigorous development of automobile industry in China, automobile logistics has gradually stepped into the fast lane of development. Because of the scattered, chaotic and small characteristics of domestic third-party vehicle logistics enterprises, the resources can not be allocated optimally in the closed logistics system, so the enterprises have to face the dilemma of high logistics costs. At the same time, the Ministry of Transport to further strengthen the management of passenger vehicle road transport problems, which undoubtedly make it more difficult for enterprises to reduce the cost. Therefore, avoiding the operational risk under the road transportation mode, optimizing the passenger vehicle transportation network to achieve cost reduction and efficiency increase, has become the focus of the third party vehicle logistics enterprises. First of all, on the basis of expounding the research and application of multimodal transport at home and abroad, the paper analyzes the difficulties existing in the application of multimodal transport to passenger transport, and further analyzes the influence of order delivery mode on passenger transport organization. This paper introduces the axis-spoke network to construct the network topology structure suitable for passenger car transportation, and establishes the method system of transportation network optimization. Secondly, the evaluation system which includes 4 kinds of first-grade indexes and 13 second-order indexes is constructed. The logistics node is evaluated synthetically by factor analysis, which is suitable for the construction of the hub. Then, the axle-spoke network optimization model based on direct transportation and multimodal transport organization mode is constructed, and the Tabu search algorithm is designed to solve the problem. Finally, the model is verified by an example, and different parameter levels are cross-analyzed to determine the influence of each influence factor on the optimization results, adjust the corresponding parameters, and output the final optimization scheme. From the optimization results, the economic development of the area where the nodes are located, the construction of transportation infrastructure and the scale of logistics demand are the key factors affecting the selection of hubs. At the same time, the number, capacity and discount coefficient of the node will have an important impact on the logistics cost of the whole transportation network. The optimized passenger vehicle transportation network has different levels of optimization in logistics cost, transportation structure, logistics efficiency and so on. The research results of this paper can provide technical support for the third party vehicle logistics enterprises to carry out transportation network planning, which has a certain practical significance.
【學(xué)位授予單位】:北京交通大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號】:U492.2
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