航空運(yùn)輸網(wǎng)絡(luò)中不確定性因素對(duì)航班延誤波及的影響研究
[Abstract]:The problem of flight delay in our country is becoming increasingly prominent. Judging from the actual operation of civil aviation, a single aircraft carries out multiple flight tasks in succession, and the flight planning is closely arranged. Not only the initial stage of flight operation may cause flight delay due to the existence of uncertain factors, but also the uncertainty factors may affect the whole process of flight operation. Once the uncertainty causes the flight delay, it will also lead to a series of uncertainty factors, resulting in more serious delays and ripples. The interconnectedness of many flights and the increasing saturation of airspace and airport capacity make delays difficult to absorb. Therefore, flight delays caused by uncertainties not only directly affect the operation order and safety of flights and their airports, Its impact on flight delays will also spread to related airports or even non-affiliated airports by means of air transport networks, resulting in a wide range of flight delays. Civil aviation operation safety and social stability and harmony caused an extremely bad impact. In this paper, the spread effect of flight delay due to uncertainty is studied based on the flight safety operation mechanism. First of all, it explores the flight operation mechanism in the air transport network, excavates all kinds of uncertain factors that lead to flight delay. These uncertainty factors are combined with the flight operation mechanism to analyze the uncertainty factors that may be encountered in each stage of flight operation. Secondly, combined with the flight operation mechanism in the airport, this paper analyzes the influence process and degree of uncertain factors on the operation of various kinds of flights, and constructs a colored time petri net model which can describe the mechanism of this process. According to this model, the effect of flight delay in the airport is analyzed, and the simulation example is given to verify the theory. Thirdly, combined with the operation mechanism of multi-airport flight, this paper analyzes the influence process of the uncertain factors in the flight chain, and studies the vertical ripple effect of flight delay in the upstream and downstream flights of the flight chain. Combined with the flight delay sweep model in the above airports, a colored time petri net model which can describe the mechanism of the uncertain factors in the air transport network on the flight delay sweep process is constructed, and the calculation model of the delay longitudinal sweep is put forward. The simulation example is given. Finally, based on the principle of information sharing, the optimization model of flight dynamic scheduling in air transportation network is constructed, and the heuristic simulated annealing algorithm is used to solve the model. Through the scientific analysis of the influence degree of the uncertain factors on the flight delay in the air transportation network, the resources and time consumption caused by the uncertainty factors can be reasonably predicted, and the schedule and arrangement of the flight delay recovery can be carried out methodically. To make the disposal measures of flight delay reasonably, so as to achieve the purpose of flight delay and early warning, and to improve the recovery efficiency of flight delay.
【學(xué)位授予單位】:南京航空航天大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類(lèi)號(hào)】:TP301.1;F562
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