Computational method of longitudinal safety separation based on flight following theory
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摘要: 为了精确计算飞机飞行的纵向安全间隔, 分析了纵向间隔的影响因素, 利用管制员和飞行员的反应时间统一度量人为因素对纵向安全间隔的影响, 根据反应时间建立了飞机飞行跟驰模型。通过量化反应时间对纵向安全间隔的影响, 提出了考虑反应时间的安全间隔计算方法。仿真计算结果表明: 在航路飞行阶段, 相近飞机的纵向间隔小于3·0km为纵向危险接近, 为了保证跟驰飞行安全, 纵向间隔最小应为3·6km。可见模型和方法是可行的, 能够为飞行间隔标准的制定提供理论依据。Abstract: In order to accurately compute longitudinal safety separation between airplanes, the effect factors of the separation were analyzed, the effect degrees of human factors on the separation were measured according to the reaction times of controllers and pilots, a flight following model was built according to the times, the influences of the times on the separation were quantitated, and a computational method of the separation was put forward. Simulation result indicates that in flight period, the adjacency is dangerous when the separation is less than 3.0 km, whenas, the minimum computation separation is 3.6 km for flight safety, so the model and method are feasible, and are important theories to constitute flight separation standards.
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Key words:
- air traffic safety /
- safety separation /
- following theory /
- reaction time /
- stability
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