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研究了平行独立仪表进近中基于概率的二维告警算法。针对平行独立仪表进近传统告警算法存在模式固定、多余告警和延迟告警,导致告警作用不佳且飞行效率降低等问题,提出一种新的基于概率的二维告警算法。该算法利用蒙特卡罗仿真得到碰撞概率和碰撞概率等于危险水平的告警区域,结合碰撞曲线来规定告警条件。以某机场为飞行环境,选取不同的飞机位置验证算法。结果表明,利用改进算法有效消除了多余告警和延迟告警,可为进一步的告警算法优化提供参考。
The probability-based two-dimensional alarm algorithm for parallel independent instrument approach is studied. Aiming at the problems of fixed, redundant and delayed alarms of traditional independent alarm approaches, a new alarm algorithm based on probability is proposed. The algorithm uses Monte Carlo simulation to obtain the alarm area with collision probability and collision probability equal to the dangerous level, and specifies the alarm conditions according to the collision curve. Taking an airport as a flight environment, different aircraft location verification algorithms are selected. The results show that the improved algorithm can effectively eliminate the redundant alarm and delay alarm, which can provide reference for further optimization of alarm algorithm.