一种适用于高动态制导飞行的大气航姿系统算法

A New Air Data Attitude and Heading Reference System Algorithm Applied to High-dynamic Guidance Flight

为解决高动态制导飞行条件下航姿系统的可用性,从工程应用角度提出一种新的大气航姿自适应滤波算法,采用大气数据信息剔除滤波量测中的运动加速度,解决了内阻尼航姿算法在载体高动态机动时不能正确修正姿态的问题。基于MEMS惯性器件的大气航姿系统跑车试验结果证明,该算法合理可行,具有很好的鲁棒性,可以为高动态运动载体提供准确的姿态/航向信息。

To promote the availability of attitude and heading reference system（AHRS）for high dynamic guidance flight,a new algorithm of ADAHRS（air data AHRS） based on self-adaptive Kalman filter was presented,the air data was used to eliminate the movement acceleration from the measurement,and the problem of attitude correction and heading in high-dynamic guidance flight was solved.The algorithm is designed and applied to MEMS system.The result of vehicle-borne proves that the algorithm is reasonable,feasible and robust to be applied to missile or aircraft with high maneuver.