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本文从干扰特性的设计要求出发,提出了一种二自由度控制系统的干扰估计型结构,这种结构的干扰特性和设计参数之间,存在很明显的关系,为系统设计提供了简易可行的方法,分析和仿真表明,按这种结构设计的系统,具有很好的干扰特性,同时对控制对象的模型化误差也有良好的鲁棒特性。
Based on the design requirements of disturbance characteristics, this paper presents an interference estimation structure of two-degree-of-freedom control system. There is a clear relationship between the disturbance characteristics and design parameters of this structure, which provides a simple and feasible method for system design The method, the analysis and the simulation show that the system designed with this kind of structure has good disturbance characteristics and good robustness to the modeling error of the control object.