Disturbance observer based fixed-time tracking control for unmanned aerial

被引：0
|
作者：
Wang, Haibo [1 ]
Shi, Shuang [1 ]
Zhen, Ziyang [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Nanjing, Peoples R China
来源：
JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS | 2024年 / 361卷 / 16期
基金：
中国国家自然科学基金;
关键词：
Unmanned aerial helicopters; Fixed-time tracking control; Back-stepping control; Disturbance observer; Flight path constraints; HELICOPTER;
D O I：
10.1016/j.jfranklin.2024.107184
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 fixed-time tracking control scheme based on the fixed-time disturbance observer is proposed for a 6-DOF unmanned aerial helicopter (UAH) with flight path constraints and composite disturbances. The composite disturbances are composed of external disturbances and system uncertainties. By using the hyperbolic tangent function, an improved disturbance observer is developed to estimate composite disturbances. Furthermore, a fixed-time back- stepping control method is employed for the position and attitude loops, which enables the UAH to track the expected path within the flight path constraints. Simulation results are given to demonstrate the effectiveness and advantages of the proposed scheme.
引用
收藏
页数：16
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