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刘 西(1996—),男,湖北十堰人,硕士研究生,研究方向为飞行力学、航迹规划等。 |
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南 英(1964—),男,教授。 |
Copy editor: 张培培
收稿日期: 2019-09-05
修回日期: 2019-10-14
网络出版日期: 2022-05-10
Flight Conflict Detection and Resolution Based on Digital Grid
Received date: 2019-09-05
Revised date: 2019-10-14
Online published: 2022-05-10
刘西 , 南英 , 孙旺 . 基于数字网格的飞行冲突探测与解脱[J]. 指挥控制与仿真, 2020 , 42(3) : 57 -62 . DOI: 10.3969/j.issn.1673-3819.2020.03.011
For high-altitude control area, in order to assist the ground control personnel to monitor short-term flight conflicts in real time, and to solve the complex flight conflicts that may occur in multi-aircraft from a global perspective, this paper firstly establishes a spatial digital grid model based on flight safety intervals, and reasonably simplifies the motion model. Secondly, the short-term reachable domain of the aircraft is transformed into grid coordinates, and the numerically dimensioned method is used to obtain the conflicting reachable domain grid coordinates. On the basis of conflict detection, dynamic programming method is used to select the mutually exclusive grid coordinates which is obtained by traversing grid coordinates, and finally the conflict resolution decision of each aircraft is determined by the performance index. The simulation results show that the proposed method can effectively solve the complex flight conflict problem and provide the resolution decision that meets the safety interval and performance constraints before the TCAS(Traffic Collision Avoidance System), while the algorithm time can meet certain real-time requirements.
Key words: meshing; conflict detection; conflict resolution; dynamic programming
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