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

被引：36
|
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
收藏
页码：3292 / 3302
页数：11
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