一种反向响应时滞过程的二自由度控制方法  

Two-Degree-of-Freedom Control for Inverse Response Plus Time Delay

作　　者：徐广治[1] 张井岗[1] 

机构地区：[1]太原科技大学电子信息工程学院,太原030024

出　　处：《太原科技大学学报》2015年第3期213-217,共5页Journal of Taiyuan University of Science and Technology

基　　金：山西省自然科学基金项目(2011011011-2);山西省回国留学人员科研资助项目(2013-092)

摘　　要：针对反向响应时滞系统,基于改进的二自由度(2-DOF)Smith预估器控制结构提出一种内模控制器设计的方法。这种结构使系统的跟随性能和干扰抑制性能解耦,设定值跟随控制器结合了Smith预估控制器和内模控制器的优点,干扰抑制控制器提高了系统的抗干扰能力和鲁棒性,克服了传统Smith预估器的不足。理论分析和仿真结果表明了该文方法使系统具有良好的设定值跟随性能、干扰抑制性能和良好的鲁棒性。For inverse response plus time delay system,a revised method by using inverse internal model controller design was proposed based on a modified structure of the two-degree-of-freedom(2-DOF)control. This method de-coupled the set-point tracking response from disturbance rejection response with the Smith predictor. Set-point tracking controller combines the advantages of Smith predictor controller and the internal model controller. Disturbance rejection controller improves the system anti-interference ability and robustness,which overcomes the shortage of traditional Smith predictor. Theoretical analysis and simulation results show that suhc proposed method gives good set-point tracking response,disturbance rejection response and robustness.

关 键 词：反向响应 二自由度控制 SMITH预估控制 

分 类 号：TP13[自动化与计算机技术—控制理论与控制工程]