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针对繁忙机场的容量饱和现象,近距平行跑道实施配对进近可有效提高机场容量、缓解跑道拥挤和航班延误等现象。为了保证配对进近的安全运行,根据近距平行跑道配对进近的实际运动过程,考虑两架飞机在配对进近过程中的导航误差和时间等因素,建立两架飞机的运动方程和纵向碰撞风险评估模型;并通过MATLAB软件对模型进行计算,得到随相关参数变化的纵向碰撞风险变化曲线。结果表明:配对进近的碰撞风险随着前后两机起始间隔的增大而减小,随着飞机纵向定位误差的均方差的增大而增大,证明了模型的正确性和合理性。
In view of the capacity saturation of busy airports, the implementation of paired approaches at close parallel runways can effectively improve airport capacity and alleviate runway congestion and flight delays. In order to ensure the safe operation of pairing approach, according to the actual course of pairing approach of near-parallel runway, considering the navigation error and time of the two aircraft during pairing approach, the equations of motion and vertical collision Risk assessment model; and through MATLAB software to calculate the model, get the change of longitudinal collision risk curve with the relevant parameters. The results show that the collision risk of the pairing approach decreases with the increase of the initial interval of the two machines, and increases with the increase of the mean square error of the aircraft longitudinal positioning error. It proves the correctness and rationality of the model.