摘要
提出一种基于简单自适应控制的重构控制律设计方法,用于提高飞行重构控制系统的鲁棒性和抗干扰性。针对故障飞行控制系统,设计了一种包含一个基本控制器和一个简单自适应控制器的重构控制器。在基本控制器中,应用具有预定稳定度的线性二次型指标最优控制,以改善系统的稳定性;在简单自适应控制器中,引入并联前馈补偿器,保证故障飞行控制系统满足正实性要求,并将其转化为同时镇定问题,利用YALMIP工具箱进行了求解。以某型飞机侧向飞行控制系统为例,针对系统参数变化和承受有界干扰情况,对所提出的方法进行了仿真分析,结果表明该重构飞行控制系统在跟踪参考输入信号时具有较好的鲁棒性和较强的适应能力。
A design method of reconfigural flight control law was presented based on simple adaptive control for improving robustness and anti-jamming capability of the system. The reconfigural flight controller contains a basic feedback controller and a simple adaptive controller for the fault flight control system; the linear quadratic optimal control with scheduled stability was applied to basic controller for improving stability of the system; the parallel feedforward compensator was introduced into simple adaptive controller to make the system meet demand of positive realness, and transformed into stabilizable problem synchronously which is solved by utilizing YALMIP toolbox. Taking the lateral flight control system of a certain aircraft as an example, aiming at the case of parameter variation and boundary disturbance in the system, the simulation was performed by the proposed method. The simulated results show that the system has better robustness and adaptability at tracking reference input signal.
出处
《兵工学报》
EI
CAS
CSCD
北大核心
2009年第12期1733-1737,共5页
Acta Armamentarii
基金
"十一五"国防预先研究项目(51325050203)
关键词
控制理论
简单自适应控制
飞行控制
线性二次型
重构控制律
正实性
control theory
simple adaptive control
flight control
linear quadratic optimal control
reconfigural control law
positive realness
