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最佳模型——跟随系统方法可用于各种不同的控制系统,也可用于飞行控制系统的设计中。根据飞行操纵品质来确定最佳模型。本文按 C~*准则来设计模型,把最佳模型——跟随系统方法用于升降舵控制器的设计,并提出了一种简便计算方法。飞行控制系统拟采用数控方案,因此应把控制器离散化。文中对确定性连续型和离散型的基本公式作了推导。通过数字计算,得到满意结果。文中用特征方程根的分布判定系统稳定性,用响应曲线直接判读系统动态性能。因而本文用经典控制理论和现代控制理论相结合的方法来完成整个设计工作。
The best model-following system approach can be used for a variety of different control systems as well as for flight control system design. According to the quality of flight control to determine the best model. In this paper, the C ~ * criterion is used to design the model, and the best model-following system method is used in the design of elevator controller. A simple calculation method is proposed. Flight control system to be used CNC program, so the controller should be discretized. In this paper, the deterministic continuous and discrete basic formulas are derived. Through numerical calculations, get satisfactory results. In this paper, the stability of the system is judged by the distribution of the root of eigenvalue equation, and the dynamic performance of the system is directly judged by the response curve. Therefore, this paper uses a combination of classical control theory and modern control theory to complete the entire design work.