Disturbance observer based fault-tolerant control for cooperative spacecraft rendezvous and docking with input saturation

2017 ◽  
Vol 88 (4) ◽  
pp. 2735-2745 ◽  
Author(s):  
Kewei Xia ◽  
Wei Huo
Author(s):  
Jun Zhou ◽  
Jing Chang ◽  
Zongyi Guo

The paper describes the design of a fault-tolerant control scheme for an uncertain model of a hypersonic reentry vehicle subject to actuator faults. In order to improve superior transient performances for state tracking, the proposed method relies on a back-stepping sliding mode controller combined with an adaptive disturbance observer and a reference vector generator. This structure allows for a faster response and reduces the overshoots compared to linear conventional disturbance observers based sliding mode controller. Robust stability and performance guarantees of the overall closed-loop system are obtained using Lyapunov theory. Finally, numerical simulations results illustrate the effectiveness of the proposed technique.


2020 ◽  
Vol 167 ◽  
pp. 302-313
Author(s):  
Jing-Guang Sun ◽  
Chuan-Ming Li ◽  
Yong Guo ◽  
Chang-qing Wang ◽  
Peng Li

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