Output Feedback Robust H∞ Control with D-Stability and Variance Constraints: Parametrization Approach

被引：0
|
作者：
Zidong Wang
Daniel W. C. Ho
机构：
[1] Brunel University,Department of Information Systems and Computing
[2] City University of Hong Kong,Department of Mathematics
来源：
Journal of Dynamical and Control Systems | 2005年 / 11卷
关键词：
Uncertain systems; output feedback; ∞ control; covariance control; robust control; regional pole placement;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this paper, we study the problem of robust H∞ controller design for uncertain continuous-time systems with variance and D-stability constraints. The parameter uncertainties are allowed to be unstructured but norm-bounded. The aim of this problem is the design of an output feedback controller such that, for all admissible uncertainties, the closed-loop poles be placed within a specified disk, the H∞ norm bound constraint on the disturbance rejection attenuation be guaranteed, and the steady-state variance for each state of the closed-loop system be no more than the prescribed individual upper bound, simultaneously. A parametric design method is exploited to solve the problem addressed. Sufficient conditions for the existence of the desired controllers are derived by using the generalized inverse theory. The analytical expression of the set of desired controllers is also presented. It is shown that the obtained results can be readily extended to the dynamic output feedback case and the discrete-time case.
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页码：263 / 280
页数：17
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