Adaptive fault tolerant control for a class of uncertain fractional-order systems based on disturbance observer

被引：15

作者：

Hou, Chuanjing ^{[1
]}

Liu, Xiaoping ^{[1
,2
]}

Wang, Huanqing ^{[1
]}

机构：

[1] Shandong Jianzhu Univ, Sch Informat & Elect Engn, Jinan, Peoples R China

[2] Lakehead Univ, Fac Engn, Thunder Bay, ON, Canada

来源：

INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL | 2020年 / 30卷 / 08期

基金：

中国国家自然科学基金;

关键词：

adaptive control; disturbance observer; fault tolerant control; fractional-order system; SLIDING MODE CONTROL; LYAPUNOV; SCHEME;

D O I：

10.1002/rnc.4950

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, a class of fractional-order nonlinear systems are considered in the presence of actuator faults. A novel fault tolerant control scheme based on disturbance observer has been presented, where the actuator faults are considered as the system disturbance and can be approximated by the proposed disturbance observer. The developed fault tolerant control guarantees the convergence of the closed-loop system and the output tracking performance. Finally, a simulation example is presented to verify the effectiveness of the new method.

引用

页码：3436 / 3450

页数：15

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