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民用飞机组合导航实际导航性能计算方法
引用本文:宁亚锋,李文辉,谢轶俊,喻杰.民用飞机组合导航实际导航性能计算方法[J].航空电子技术,2020,51(2):50-54.
作者姓名:宁亚锋  李文辉  谢轶俊  喻杰
作者单位:航空工业陕西飞机工业(集团)公司,汉中723213,中国航空无线电电子研究所,上海200241,中国航空无线电电子研究所,上海200241,中国航空无线电电子研究所,上海200241
摘    要:提出了一种民用飞机组合导航实际导航性能计算方法,通过提取组合导航卡尔曼滤波器的误差协方差 矩阵,并对水平位置误差进行近似拟合,获得95% 的概率误差圆半径,即为组合导航实际导航性能。该方法 计算过程简单,易于实现,具有较强实用价值。

关 键 词:组合导航  实际导航性能  卡尔曼滤波  协方差矩阵
收稿时间:2020/1/17 0:00:00
修稿时间:2020/5/17 0:00:00

Actual Navigation Performance Calculation Algorithm for Integrated Navigation of Civil Aircraft
NING Ya-feng,LI Wen-hui,XIE Yi-jun,YU jie.Actual Navigation Performance Calculation Algorithm for Integrated Navigation of Civil Aircraft[J].Avionics Technology,2020,51(2):50-54.
Authors:NING Ya-feng  LI Wen-hui  XIE Yi-jun  YU jie
Institution:Shaanxi Aircraft Industry Group Corporation of Aviation Industry Corporation of China,Hanzhong 723213;China National Aeronautical Radio Electronics Research Institute, Shanghai 200241,China
Abstract:An ANP calculation algorithm is introduced for integrated navigation of civil aircrafts. Through extracting the error covariance matrix of the integrated navigation kalman filter and approximately fitting the lateral position error, a circle radius can be achieved with a 95% probability error. This is the introduced ANP of the integrated navigation. Such an algorithm is simple, easy to implement and thus has a good practical value.
Keywords:integrated navigation  actual navigation performance  Kalman filter  covariance matrix
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