自动化学报2003，Vol.29Issue(4)：550-558,9.
互质因子摄动系统最优е1鲁棒控制: 连续性与自适应控制
Optimal е1 Robust Control for Plants with Coprime Factor Perturbations:Continuity Properties and Adaptation
摘要
Abstract
This paper presents an adaptive robust control scheme for a discrete-time plant subject to both coprime factor perturbations and unknown external disturbances. Firstly, we establish nice continuity properties for е1 optimization resulting from optimal robust control of discrete time uncertain systems with coprime factor perturbations. Then, we propose a robust parameter estimate algorithm with variant dead zone. Finally, combining the proposed parameter estimate algorithm with optimal е1 robust control, we present a novel adaptive robust control scheme for plants with coprime factor perturbations based on the certainty equivalence principle. With the continuity properties of е1 optimization established in this paper, the proposed adaptive scheme is shown to be uniformly stable. A posterior computable condition for the stability of the adaptive scheme is also provided in this paper.关键词
互质因子摄动系统,连续性,最优е1鲁棒控制,自适应控制Key words
Coprime factor perturbations plant, continuity property, optimal е1 robust control, adaptive control分类
信息技术与安全科学引用本文复制引用
李昇平,张宪民..互质因子摄动系统最优е1鲁棒控制: 连续性与自适应控制[J].自动化学报,2003,29(4):550-558,9.基金项目
Supported by Nature Science Foundation of Guangdong Province(990795) and National Nature Science Foundation of P.R.China(59975056) （990795）
