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模糊控制系统的解析结构与鲁棒性分析
引用本文:胡慧琴,李少远. 模糊控制系统的解析结构与鲁棒性分析[J]. 上海交通大学学报, 2005, 39(12): 2029-2033
作者姓名:胡慧琴  李少远
作者单位:上海交通大学,自动化系,上海,200240;上海交通大学,自动化系,上海,200240
基金项目:国家自然科学基金(60474051)和上海市科委重大攻关计划(04DZ11008)资助项目
摘    要:根据实际工业过程对鲁棒性的要求,以解析形式分析说明了模糊控制器是一类变参数的比例积分(PI)控制器,并且由于其模糊特性,在工况发生变化时该控制器能够自调整PI的比例参数,得到较好的控制效果.将该模糊控制器与传统比例积分微分(PID)控制器进行比较,仿真结果验证了其有效性.

关 键 词:模糊控制器  比例积分微分控制器  鲁棒性  系统性能
文章编号:1006-2467(2005)12-2029-05
收稿时间:2004-08-12
修稿时间:2004-08-12

An Analytical Study on Structure and Robustness of Fuzzy Control Systems
HU Hui-qin,LI Shao-yuan. An Analytical Study on Structure and Robustness of Fuzzy Control Systems[J]. Journal of Shanghai Jiaotong University, 2005, 39(12): 2029-2033
Authors:HU Hui-qin  LI Shao-yuan
Affiliation:Dept. of Automation, Shanghai Jiaotong Univ. , Shanghai 200240, China
Abstract:Depending on the robustness requirement of the practical control systems,this paper investigated an explicit structure of fuzzy controller and mathematically proved this fuzzy controller to be nonlinear PI controller with time-varying controller parameters.The parameters of proportional-integral(PI) can be auto-tuned when the environment of plants changes due to the fuzzy character of controller.The better performance can be obtained compared with traditional proportional-integral-differential(PID) controller.Simulation results are included to demonstrate the effect of the proposed process.
Keywords:fuzzy controller  proportional-integral-differential(PID) controller  robustness  system(performance)
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