Continuous higher order sliding mode observers for a class of uncertain nonlinear systems

被引：6

作者：

Chawengkrittayanont, Panitnart ^{[1
]}

Pukdeboon, Chutiphon ^{[2
]}

机构：

[1] King Mongkuts Univ Technol North Bangkok, Fac Appl Sci, Dept Math, Bangkok, Thailand

[2] King Mongkuts Univ Technol North Bangkok, Fac Appl Sci, Dept Math, Nonlinear Dynam Anal Res Ctr, 1518 Pracharat 1 Rd, Bangkok 10800, Thailand

来源：

TRANSACTIONS OF THE INSTITUTE OF MEASUREMENT AND CONTROL | 2019年 / 41卷 / 03期

关键词：

Model-free observers; higher order sliding mode; continuous sliding mode; terminal sliding mode; finite time observer; ROBUST FAULT RECONSTRUCTION; MECHANICAL SYSTEMS; IDENTIFICATION; LIPSCHITZ; DIFFERENTIATION; PERFORMANCE; DESIGN; GAIN;

D O I：

10.1177/0142331218769130

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Two nonlinear state observers are proposed to reconstruct the system states for a class of uncertain nonlinear systems. Both state observers are designed based on continuous higher order sliding mode and terminal sliding mode concepts. The proposed observers are chattering-free and constructed without any detailed model knowledge of the system. Desirable features of the proposed observers include that they are immune to noise and can be designed separately from a controller. Lyapunov stability theory is employed to prove the finite-time convergent and uniformly ultimately bounded observation. Simulation results are provided to demonstrate the effectiveness and improved performance of the developed observers.

引用

页码：717 / 728

页数：12

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