特殊机场PBN运行的扰动风场估计及关联分析

高原特殊机场的民航PBN运行受到地形复杂、导航干扰、程序设计缺陷及大气扰动等多重复杂因素的影响.大气扰动是导致PBN运行的飞行技术误差乃至飞行事故的重要诱因.分析了扰动风对飞行的影响机理,建立了气流系下含扰动风动力学模型.基于QAR数据的解析冗余,计算获得实时扰动风场.在此基础上,运用灰色关联分析方法,分析扰动风对若干飞行状态的影响.灰色关联分析结果既是对扰动风影响机理的验证,也可进一步用于QAR数据分析,从而深入研究扰动风对PBN运行的飞行技术误差的影响.

Turbulent Wind Estimation and Correlation Analysis for PBN Operation on Plateau Airports

PBN operation performance for civil aviation at plateau airport is affected by multiple factors such as complicated terrain,navigation disturbance,procedure design defects,turbulent wind,etc.Turbulent wind is a key inducement for flight technology error(FTE)and even flight accidents.In this article,turbulent wind effects on flight dynamics was analyzed and a flight dynamics model(FDM)under wind coordinate was built up.The real-time wind field can be acquired by analysis redundancy based on QAR.Furthermore,wind effects on several flight states was studied by grey correlation analysis.Results indicate that turbulent wind effects principle can be validated.What′more,turbulent wind effects on FTE for PBN operation can be studied deeply by QAR correlation analysis.