Fault-tolerant Control Based on Fixed-time Observer for a 3-DOF Helicopter System

被引：0
|
作者：
Xuebo Yang
Yujia Wang
Jiae Yang
Tong Wang
机构：
[1] Harbin Institute of Technology,School of Astronautics, Research Institute of Intelligent Control and Systems
来源：
International Journal of Control, Automation and Systems | 2020年 / 18卷
关键词：
3-DOF helicopter; actuator faults; external disturbances; fault-tolerant control; fixed-time observer;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this paper, a fault-tolerant control (FTC) scheme is presented to counteract actuator faults, model uncertainties and external disturbances for a class of three degrees of freedom (3-DOF) helicopter. A fixed-time observer is introduced to estimate composite disturbances which results in a better tracking performance compared with other sliding mode observers (SMO). Finally, a novel control strategy is proposed via back-stepping design technique to guarantee the stability of closed-loop nonlinear system. Experimental results are given to show the effectiveness and advantages of the proposed method.
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页码：2993 / 3000
页数：7
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