Algorithm Research & Explore
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App. Res. of Comp. Printed Article
Vol. 37, 2020 No. 3
759-762

Optimization of en-route network delay based on improved Hungarian algorithm

Wang Lili
Wang Hangchen
China Tianjin Key Laboratory of ATC Operation Planning & Safety Technology, Civil Aviation University of China, Tianjin 300300, China
DOI: 10.19734/j.issn.1001-3695.2018.09.0636

Abstract

Due to cope with relying on controllers badly and lacking of quantitative models to assist decision-making in air traffic flow management, this paper studied the delay optimization model and its solving algorithm for route network. Firstly, it established a traffic flow assignment model with the objective function of minimum flight time and capacity constraints. Secondly, considering that classical Hungarian algorithm was only suitable for small and medium-sized operations, it made the improvement of the calculation of efficiency matrix by making the maximum probability of the number of zero elements in the cirde equal to the order of the efficiency matrix. Next, it constructed the cost function of the en-route by using the M/M/C queuing theory model. The function, which replaced the constant efficiency value in the efficiency matrix with a variable cost, made the efficiency matrix change with time and flow. Finally, it took part airspaces of China and the actual operational data of 2016 as exa-mples. The results show that the algorithm can increase the access capacity by 8.372% and the departure capacity by 8.999%; In terms of delay optimization, it can reduce the average delay of each aircraft. In terms of algorithm performance, it has less ite-rations and less solution time than the classical Hungarian algorithm, and is more suitable for actual control operation.

Foundation Support

国家自然科学基金与中国民用航空局联合基金资助项目(U1633124)
国家自然科学基金资助项目(41501430)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2018.09.0636
Publish at: Application Research of Computers Printed Article, Vol. 37, 2020 No. 3
Section: Algorithm Research & Explore
Pages: 759-762
Serial Number: 1001-3695(2020)03-026-0759-04

Publish History

[2020-03-05] Printed Article

Cite This Article

王莉莉, 王航臣. 基于改进匈牙利算法的航路网络延误优化 [J]. 计算机应用研究, 2020, 37 (3): 759-762. (Wang Lili, Wang Hangchen. Optimization of en-route network delay based on improved Hungarian algorithm [J]. Application Research of Computers, 2020, 37 (3): 759-762. )

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Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

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