基于互聯(lián)網(wǎng)的同城配送車貨匹配模式及路徑優(yōu)化研究
[Abstract]:With the rapid development of information technology and the continuous popularization of mobile terminals, China has entered the "Internet" era, "Internet logistics" new business type also came into being. In order to make full use of social idle capacity resources and avoid the waste of transportation capacity brought about by "separate order" transportation in the same city distribution, this paper breaks down the traditional "single distribution" distribution mode. Considering the deterministic distribution order and the random distribution order. This paper summarizes the typical domestic vehicle and goods matching mode, and puts forward the innovative vehicle and goods matching mode (hereinafter referred to as "innovation mode"), which is suitable for the current "Internet" era. On this basis, the distribution path optimization is modeled and solved. First of all, summarized the domestic and foreign research on the Internet-based logistics platform, vehicle and goods matching mode and distribution path optimization, and combined with the current situation of vehicle and goods matching operation in China. In this paper, five kinds of classic matching models are summarized in detail, and the operation flow, profit model, advantages and disadvantages and applicable scope of each mode are analyzed. On this basis, the innovative matching mode of distribution and goods in the same city is constructed based on the Internet. Then, combining the "innovation mode" and the realistic distribution demand scene (deterministic random distribution demand), the paper constructs the distribution path optimization model of the same city based on the "innovation mode". An improved Tabu search algorithm is used to optimize the delivery problem with time windows, and an example is given to verify the feasibility and effectiveness of the algorithm. In order to meet the demand of random distribution, two local search heuristic algorithms are used to support the routing optimization in dynamic environment. Finally, the model and algorithm are applied to the actual situation of distribution in the same city, and the distribution path of the same city in Shanghai is optimized. By comparing with the traditional "sub-order" direct dispatch transportation solution, the conclusion is drawn: under the "innovation mode" based on Internet, deterministic demand and stochastic demand can greatly shorten the total delivery time of the system. Reduce the number of vehicles, achieve energy saving and consumption, improve the utilization of social capacity resources, and then reduce the social logistics costs. It also shows that the "innovation mode" constructed in this paper has remarkable superiority in the distribution of the same city.
【學(xué)位授予單位】:西南交通大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號】:U491
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