摘要
针对D ryden频谱函数,通过有理谱成形理论,建立了阵风的线性化模型。明确了阵风对飞机的扰动机理后,以某型飞机为对象,建立了包括阵风过程、舵机系统和飞机模型的纵向动力学増广模型。以该增广模型为设计对象,应用LQG控制理论,设计了阵风载荷减缓系统。仿真结果表明,该系统能有效减缓阵风对飞行过载的影响。
For Dryden power spectral density function, using the rational spectral theory to set up the linear state-space model. The coupling relationship between gust and aircraft is revealed through the angle of attack, the synthesized system model including gust, actuator system and aircraft model is developed. Simulation results show that the gust load alleviation control system based on LQG control theory can obtain good capability of restraining the gust turbulence.
出处
《飞行力学》
CSCD
北大核心
2007年第2期61-64,共4页
Flight Dynamics
关键词
阵风载荷减缓
LQG控制理论
大气紊流
gust load alleviation
LQG control theory
atmospheric turbulence
