Two degree-of-freedom control design with improved H∞ LMI representation

被引：0
|
作者：
Chao Peng
Hongbing Xu
Jian Zhang
机构：
[1] School of Automation,
[2] University of Electronic Science and Technology of China,undefined
来源：
Journal of Inequalities and Applications | / 2012卷
关键词：
2DOF control; improve ; LMI representation; tracking error; bounded real lemma (BRL);
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper focuses on the two degree-of-freedom (2DOF) control design problem for high-speed and precision tracking system. The requirements for tracking resolution, bandwidth are transformed to the H∞ norm minimizing problem of tracking error. A 2DOF control design approach based on an improved H∞ linear matrix inequalities (LMI) representation is proposed. The design approach offers a new LMI to obtain the feedforward controller and feedback controller in 2DOF control scheme. The results of simulation experiment demonstrates the proposed approach could obtain a better tracking performance compared with conventional H∞ 2DOF design based on bounded real lemma.
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