Super Twisting Disturbance Observer-Based Fixed-Time Sliding Mode Backstepping Control for Air-Breathing Hypersonic Vehicle

被引：24
|
作者：
Wu, Yunjie [1 ,2 ,3 ]
Ma, Fei [1 ,2 ,3 ]
Liu, Xiaocen [1 ,2 ,3 ]
Hua, Yueyang [4 ]
Liu, Xiaodong [5 ]
Li, Guofei [1 ,2 ,3 ]
机构：
[1] Beihang Univ, State Key Lab Virtual Real Technol & Syst, Beijing 100191, Peoples R China
[2] Beihang Univ, Sch Automat Sci & Elect Engn, Beijing 100191, Peoples R China
[3] Sci & Technol Aircraft Control Lab, Beijing 100191, Peoples R China
[4] China Acad Launch Vehicle Technol, Beijing 100076, Peoples R China
[5] Beijing Aerosp Automat Control Inst, Beijing 100854, Peoples R China
来源：
IEEE ACCESS | 2020年 / 8卷 / 08期
基金：
中国国家自然科学基金;
关键词：
Air-breathing hypersonic vehicle; backstepping control; disturbance observer; fixed-time sliding mode control; super twisting algorithm; ADAPTIVE NEURAL-CONTROL; TRACKING CONTROL; CONTROL DESIGN; FLIGHT VEHICLE; SYSTEMS; APPROXIMATION;
D O I：
10.1109/ACCESS.2020.2968396
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper investigates the velocity and altitude tracking control problem for air-breathing hypersonic vehicle (AHV) under external disturbances and uncertainties. An improved smooth super-twisting based disturbance observer (SSTDOB) is proposed to estimate the unknown external disturbances. With the assistance of SSTDOB, an effective fixed-time sliding mode backstepping control (FSMBC) is designed to guarantee the tracking errors converge to a small neighbor of the origin. Meanwhile, a fixed-time tracking differentiator (FTD) is employed to estimate the virtual control inputs, which can eliminate the differential explosion problem. The overall stability of the closed-loop system is analyzed by utilizing Lyapunov stability theory. Simulation results demonstrate the effectiveness of the composite method.
引用
收藏
页码：17567 / 17583
页数：17
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