基于PETRI網(wǎng)的航空貨運(yùn)出港流程仿真優(yōu)化研究
[Abstract]:With the development of global economy, international trade and international exchange are becoming more and more frequent. Air transport has become the first choice for international cargo transportation because of the higher and higher demand for transportation time. With the rapid economic growth of our country, the international air cargo transportation market of our country has been increasing continuously in the past ten years. Foreign air transport giants have also intensified the battle for the Chinese market. Although our domestic air transport enterprises have made some progress, However, compared with foreign air transport enterprises, there is still a large gap, low efficiency, error rate and high damage rate. If domestic freight enterprises want to survive in the increasingly fierce competition, they must cooperate with each other, optimize their business processes, improve their efficiency and enhance their international competitiveness. In this paper, the international cargo outbound process carried out by China International cargo Aviation Co., Ltd. as the research object, the port flow simulation and optimization, the specific chapters arranged as follows: chapter 1: introduced the research background, research significance, The related documents of air cargo flow optimization and Petri net are studied and sorted out. Then the existing process modeling methods are analyzed and Petri net is chosen as the process modeling method. Chapter 2: the basic principles of Petri nets and the analysis methods of Petri nets are introduced, including reachability tree analysis, invariant analysis and correlation matrix analysis. In chapter 3, the flow chart of international air cargo outbound is summarized, and then the stochastic time Petri net model of international air cargo outbound flow is established, and the random time Petri net model is analyzed by correlation matrix. The correctness of the model is proved. Chapter 4: the model simulation platform is introduced briefly, the model is simulated, the optimization measures of international air cargo outbound flow are put forward, and the efficiency before and after optimization is compared. Chapter 5: summarize the full text, point out the deficiency of this paper, and give the research direction in the future.
【學(xué)位授予單位】:中國民航大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2015
【分類號(hào)】:V353
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