侧向飞行控制律设计与仿真  

Design and Simulation of Lateral Flight Control Law

作　　者：吴建[1] 章卫国[1] 宁东方[1] 

机构地区：[1]西北工业大学自动化学院,陕西西安710072

出　　处：《计算机仿真》2008年第12期66-69,共4页Computer Simulation

摘　　要：线性二次型高斯/回路传递恢复方法(LQG/LTR)是一种多变量频域鲁棒设计方法,以良好的鲁棒性和解耦特性得到了广泛的应用。阐述了LQG/LTR方法的基本原理,给出了方法的设计步骤。针对某型飞机侧向通道的多输入多输出系统,运用LQG/LTR方法对其进行飞行控制律设计与仿真研究,提出在目标反馈回路设计中要注意的问题。最后将仿真结果与传统方法进行比较,结果表明LQG/LTR方法适用于飞机复杂的多变量控制系统,设计的控制系统具有良好的动态品质和鲁棒性。Linear quadratic Gaussian/loop - transfer recovery （LQG/LTR） method is a frequency domain modern muhivariable control methodology widely used for its good robustness and decoupling property. The principles of LQG/LTR method is presented, and the design process of LQG/LTR method is given. Then, this method is used to design flight control law for MIMO system of some type aircraft lateral model. Some considerable points in objective feedback loop design are presented. Besides, this method is compared with classic control method. Simulation results demonstrate that LQG/LTR method is applicable to complex muhivariable control system and the control system using this method has good dynamic quality and robustness.

关 键 词：线性二次型高斯/回路传递恢复 奇异值 协调转弯 鲁棒性 

分 类 号：TJ765.2[兵器科学与技术—武器系统与运用工程]