Composite hierarchical antidisturbance control for a class of discrete-time stochastic systems

被引：37

作者：

Wei, Xinjiang ^{[1
]}

Zhang, Huifeng ^{[1
]}

Sun, Shixiang ^{[1
]}

Karimi, Hamid Reza ^{[2
]}

机构：

[1] Ludong Univ, Sch Math & Stat Sci, Yantai 264025, Shandong, Peoples R China

[2] Politecn Milan, Dept Mech Engn, Milan, Italy

来源：

INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL | 2018年 / 28卷 / 09期

基金：

美国国家科学基金会;

关键词：

discrete-time stochastic system; disturbance observer; disturbance observer-based control; H-infinity control; multiple disturbances; DISTURBANCE-OBSERVER; NONLINEAR-SYSTEMS; STATE; STABILITY;

D O I：

10.1002/rnc.4080

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, antidisturbance control and estimation problem are discussed for a class of discrete-time stochastic systems with nonlinearity and multiple disturbances, which include the disturbance with partially known information and a sequence of random vectors. A disturbance observer is constructed to estimate the disturbance with partially known information. A composite hierarchical antidisturbance control scheme is proposed by combining disturbance observer and H-infinity control. It is proved that the 2 different disturbances can be rejected and attenuated, and the corresponding desired performances can be guaranteed for discrete-time stochastic systems with known and unknown nonlinear dynamics, respectively. Simulation examples are given to demonstrate the effectiveness of the proposed scheme.

引用

页码：3292 / 3302

页数：11

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