Minimal-order observer and output-feedback stabilization control design of stochastic nonlinear systems

被引：0

作者：

Yungang Liu

Jifeng Zhang

机构：

[1] Chinese Academy of Sciences,Academy of Mathematics and System Sciences

[2] Shandong University,School of Control Science and Engineering

来源：

Science in China Ser. F Information Sciences | 2004年 / 47卷 / 4期

关键词：

nonlinear systems; minimal-order; integrator backstepping approach; stabilization control;

D O I：

10.1007/BF02901662

中图分类号：

学科分类号：

摘要：

A minimal-order observer and output-feedback stabilization control are given for single-input multi-output stochastic nonlinear systems with unobservable states, unmodelled dynamics and stochastic disturbances. Based on the observer designed, the estimates of all observable states of the system are given, and the convergence of the estimation errors are analyzed. In addition, by using the integrator backstepping approach, an output-feedback stabilization control is constructively designed, and sufficient conditions are obtained under which the closed-loop system is asymptotically stable in the large or bounded in probability, respectively.

引用

页码：527 / 544

页数：17

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