一种简易的多回路控制系统优化设计方法研究

给出了一种简易的控制系统设计方法——标准特征多项式设计方法，多回路控制系统采用这种方法将使控制系统设计的工作量大为简化。在此基础上，采用NCD工具箱，用标准特征多项式方法得到的参数值作为NCD（nonlinear control design）模块的初始化值对控制系统的参数进一步进行优化，并与任意选择的6组参数值作为NCD模块初始化值而得到的优化效果进行了比较。还对飞行控制的多回路控制系统的鲁棒性进行了研究。结果证明，用标准特征多项式和NCD优化方法，设计方便，并且系统有很好的鲁棒性。

A Simple Method for Multi-Loop Control System Optimization and Design

The standard characteristic polynomial method is an effective,simple and intuitional way for the design of multi-loop control systems to reduce the calculation loads.This method is proposed in order to calculate the initial value of the parameters.NCD optimal method based on standard characteristic polynomial is used to optimize the parameters of the control system.Simulation results conform that the performance is satisfactory.The robustness of the multi loop control system of the aircraft is studied.Simulation results indicate that it is convenient to design control system of the aircraft by using the standard characteristic polynomial method and NCD optimal method.Furthermore,the robustness of the control system of the aircraft is given.