Composite fault tolerant control for aerospace vehicles with swing engines and aerodynamic fins

被引：0
|
作者：
Dong W. [1 ,2 ]
Qi R. [1 ,2 ]
Jiang B. [1 ,2 ]
机构：
[1] College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing
[2] Key Laboratory of Navigation, Control and Heath-Management Technologies of Advanced Aerocraft, Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing
来源：
Hangkong Xuebao/Acta Aeronautica et Astronautica Sinica | 2020年 / 41卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Adaptive estimation; Aerospace vehicle; Composite control; Fault tolerant control; Swing engine;
D O I：
10.7527/S1000-6893.2020.23850
中图分类号：
学科分类号：
摘要：
Regarding the composite fault-tolerant control problem of direct force and aerodynamic force, a fault-tolerant control strategy based on the adaptive sliding mode is designed for space vehicles with engine thrust loss. First of all, for swing engines with thrust loss, considering the practical characteristics of X-type installation, the fault equivalent of the linearized pitch channel control model is carried out, the fault and disturbance information are estimated by the adaptive method, and the fault-tolerant controller is designed by comprehensively using the control surfaces and the swing of engines. Secondly, considering the influence of the longitudinal fault-tolerant control on the lateral stability of the aircraft, based on the adaptive backstepping method, the redundant control surfaces are used to eliminate the influence of the interference torque and ensure the lateral stability. Finally, based on the Lyapunov stability theory, the method is analyzed, and the simulation results verify the effectiveness of the designed composite fault-tolerant control scheme. © 2020, Beihang University Aerospace Knowledge Press. All right reserved.
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