A sliding mode control scheme with finite reaching time is proposed for a fault-tolerant satellite attitude control system in the presence of actuator faults and external disturbances. The actuator fault is modelled to reflect the degradation of the actuation effectiveness, and the solar array induced disturbance is considered as external disturbance. The control scheme is designed to perform the rest-to-rest manoeuvre of a satellite system with the degradation of the actuation effectiveness, and the stability analysis is performed using the Lyapunov theorem. Numerical simulations are conducted and the results are compared to verify the performance of the proposed fault-tolerant control scheme.
Fault-tolerant control scheme for satellite attitude control system
IET Control Theory and Applications ; 4 , 8 ; 1436-1450
2010
15 Seiten, 16 Quellen
Article (Journal)
English
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