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航空安全意义重大,而交叉点安全间隔对航路运行意义非凡。为更好地保障航空器安全,减轻管制员工作负荷,对繁忙航路上的交叉口提出建立航路实时保护区模型,并求得了交叉点与空速、航线夹角之间的函数关系。该模型基于速度的正态分布理论,在标准安全目标水平下反求对应的纵向保护区大小;同时根据相邻航空器的相对空速确定侧向保护区大小。并取两保护区中较大者为保护区警戒线。最后,基于该模型进行算例仿真,在保证航路安全的前提下求解实时航路保护区间隔。仿真结果与实际运行基本吻合,表明该模型在现行航路中是合理可行的。
Aviation safety is of great significance, while the safety clearance at the crossing point is of great significance for the route operation. In order to better ensure the safety of aircraft and reduce the workload of controllers, a real-time protection zone en-route model was proposed for intersections on busy routes, and the functional relationship between intersections and airspeed and flight angles was obtained. Based on the normal distribution theory of velocity, this model reverse the corresponding vertical protection zone size under the standard safety target level. At the same time, the size of the lateral protection zone is determined according to the relative airspeed of adjacent aircraft. Take the larger of the two protected areas as the warning line of the protected area. Finally, based on the model, the simulation of the example is carried out, and the real-time route protection zone interval is solved under the premise of ensuring the safety of the route. The simulation results are in good agreement with the actual operation, which shows that the model is reasonable and feasible in the current route.