Analytical design and analysis of mismatched Smith predictor

被引:22
|
作者
Zhang, WD [1 ]
Xu, XM [1 ]
机构
[1] Shanghai Jiao Tong Univ, Dept Automat, Shanghai 200030, Peoples R China
基金
中国国家自然科学基金;
关键词
linear system; time delay; Smith predictor; internal model control; robustness;
D O I
10.1016/S0019-0578(00)00045-8
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this paper, an analytical design method is developed for the mismatched Smith predictor on the basis of the internal model control (IMC) method. Design formulas; are given and design procedure is significantly simplified. One important merit of the proposed method is that the response of the closed loop system can be easily adjusted. The relation between the controller parameter and the system response is monotonous. In addition, necessary and sufficient condition For the robust stability of mismatched Smith predictor is also given. It is shown that the proposed method can provide good performance For perfectly matched system and a better response for mismatched system. Several numerical examples are given to illustrate the proposed method. (C) 2001 Elsevier Science Ltd. AII rights reserved.
引用
收藏
页码:133 / 138
页数:6
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