具有自修复功能间接自适应飞行控制系统研究

分析了具有自修复功能的推力矢量飞机自适应控制系统的结构功能特点,利用RHO优化控制算法实现在线控制器设计,利用MSLS辨识算法实现在线飞行参数辨识,采用等价空间算法、传感器信息融合技术和概率统计理论实现FDI算法。依据系统各个部分的算法开发了仿真平台,对飞机存在舵面故障情况下的飞行控制系统进行仿真,解决了舵面损伤后气动参数变化问题。仿真表明,该控制系统是一个完整、鲁棒、收敛系统。

Study on an Indirect Self-Adaptive Flight Control System with Self-Repair Function for Aircraft

The frame and characteristic of a self-adaptive flight control system with self-repair function for aircraft with thrust vector are studied.Using RHO optimal algorithm to realize the online controller design,using MSLS algorithm to realize online flight identify parameters and using the global parity space method,sensor data fusion and probability theory to realize the FDI algorithm.The simulation platform is developed using OOP language VC 6.0 and three-dimensional graphics language OpenGL.Demonstrated the flight control system with aircraft surface failure using this platform.It is solved that the surface and flight aerodynamic parameter change with flying states in the flight movement simulation.It is proved that this system is a whole,robust and convergence system.