| How to choose the appropriate distribution based on user demands to guarantee higher pick-up service quality and lower cost, which problem makes a direct impact on the operating costs of enterprises, more over the competitiveness of enterprises, so it has always been highly concerned by people. From the perspective of practical applications, this article takes a research for reducing the distribution cost using the qualitative analysis, and optimizing the distribution line using the quantitative analysis. By modeling the distribution network system, it takes an analytical study on Multi-loop-distribution network system. And then, according to practical problems there are three questions need to be decassed, such as generalized, directivity, time lilited Multi-loop-distribution network optimization problem, given their different method of calculation, and to solve other related practical problems. The main research summarized as follows:Chapter 1 expounded the meaning of select this subject, the current situation of the research, and the Literature Review, then introduced the main contents and innovations of the article.Chapter 2 mainly discassed the distribution problems from the point of view of qualitative analysis, including the intension, the function, the principle, the classification and the strategy of it.Chapter 3 mainly discassed the distribution problems from the point of view of quantitative analysis, especially the multi-loop-line distribution optimization problem. Applying Chinese postman method to get the simple multi-loop-delivery distribution network, finally got the most optimized route.Chapter 4 considered generalized, directivity, time lilited Multi-loop-distribution network optimization problem according to the practice, gave the calculation method and explaned the process in detail.Chapter 5 concluded the articles, pointed out the problems and deficiencies, then pointed out the further exploration and study. |
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