Adaptive Observer-Based Global Sliding Mode Control for Uncertain Discrete-Time Nonlinear Systems with Time-Delays and Input Nonlinearity

被引：18
|
作者：
Pai, Ming-Chang [1 ]
机构：
[1] Nan Kai Univ Technol, Dept Automat Engn, Nantou 54210, Taiwan
来源：
ASIAN JOURNAL OF CONTROL | 2019年 / 21卷 / 05期
关键词：
Sliding mode control (SMC); discrete-time; nonlinear system; time-delay; linear matrix inequality (LMI); CHAOTIC SYSTEMS; SYNCHRONIZATION; TRACKING; STABILIZATION; DESIGN;
D O I：
10.1002/asjc.1828
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A new discrete-time adaptive global sliding mode control (SMC) scheme combined with a state observer is proposed for the robust stabilization of uncertain nonlinear systems with mismatched time delays and input nonlinearity. A state observer is developed to estimate the unmeasured system states. By using Lyapunov stability theorem and linear matrix inequality (LMI), the condition for the existence of quasi-sliding mode is derived and the stability of the overall closed-loop system is guaranteed. Finally, simulation results are presented to demonstrate the validity of the proposed scheme.
引用
收藏
页码：2290 / 2300
页数：11
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