摘要
为了解决在被控对象和控制器同时摄动时控制系统的设计问题,提出了一般控制系统的强鲁棒性能概念。通过数学模型转换,将控制器的摄动转化为被控对象的摄动。给出了一类可采用H∞混合灵敏度求解强鲁棒控制器的一种设计方法。提高了在被控对象和控制器同时摄动时系统的性能。研究了不确定性权函数和性能权函数权函数的选取。考虑到SISO系统的特点,给出了求解强鲁棒PI控制器的简单算法,设计了强鲁棒控制的PI控制器参数。通过仿真示例验证了设计方法的有效性和可行性。
The concept of the non-fragile robust performance is presented for the design of the common control system with the perturbations of the controlled members and the controllers. The perturbations of the controllers can be converted into those of the controlled members by the transformation of the mathematical model. A class of design method of the non-fragile robust controller with H\-∞ mixed sensitivity is proposed. The performance of the system can be improved when the perturbations of the controlled members and the controllers occur. The selection of the weighting functions of the uncertainties and the performances is discussed. A simple algorithm for solving of the non-fragile robust PI controllers of the SISO system is studied and the parameters of the PI controllers are designed. The simulation results show that the proposed method is efficient and feasible.
出处
《系统工程与电子技术》
EI
CSCD
北大核心
2004年第4期507-508,534,共3页
Systems Engineering and Electronics
基金
北京市教育委员会科技发展计划项目(KM200310772125)
北京信息工程学院博士科研基金项目资助课题
关键词
控制器
摄动
鲁棒控制
强鲁棒性能
controller
perturbation
robust control
non-frgile robust performance
