摘要
在对某天线稳定平台跟踪装置模型辨识并得到带有参数不确定性线性模型的基础上,根据定量反馈理论对俯仰轴的跟踪伺服系统进行鲁棒控制器设计。综合考虑被控对象的模型不确定范围和系统的稳定性能指标、抗干扰指标,实现一定范围参数摄动系统的强鲁棒性。仿真结果表明:在模型参数摄动时系统阶跃响应的超调量和调节时间基本一致,验证了设计方法的可行性和有效性。
A linear model with uncertain parameters was gained by model identification of a certain antenna stabilized platform tracking device. The robust controller of pitch-axis tracking servo system was designed by using quantitative feedback theory. Taking consideration of the model＇ s uncertainty range of the controlled object, and the system＇s stability and anti-interference capability, strong robustness of the model perturbation system was obtained in a certain range. The simulation results showed that the system step response overshoot was basically the same as the adjusting time when there was model parameter perturbation. Thus the feasibility and effectiveness of design method was verified.
出处
《电光与控制》
北大核心
2009年第10期83-86,共4页
Electronics Optics & Control
关键词
定量反馈理论
稳定平台
鲁棒性能
不确定性系统
quantitative feedback theory
stabilized platform
robustness
uncertain system
