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Satellite Attitude Control with a Modified Iterative Learning Law for the Decrease in the Effectiveness of the Actuator
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 Title & Authors
Satellite Attitude Control with a Modified Iterative Learning Law for the Decrease in the Effectiveness of the Actuator
Lee, Ho-Jin; Kim, You-Dan; Kim, Hee-Seob;
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 Abstract
A fault tolerant satellite attitude control scheme with a modified iterative learning law is proposed for dealing with actuator faults. The actuator fault is modeled to reflect the degradation of actuation effectiveness, and the solar array-induced disturbance is considered as an external disturbance. To estimate the magnitudes of the actuator fault and the external disturbance, a modified iterative learning law using only the information associated with the state error is applied. Stability analysis is performed to obtain the gain matrices of the modified iterative learning law using the Lyapunov theorem. The proposed fault tolerant control scheme is applied to the rest-to-rest maneuver of a large satellite system, and numerical simulations are performed to verify the performance of the proposed scheme.
 Keywords
Fault tolerant control scheme;Satellite attitude control;Decrease in effectiveness of the actuator;Iterative learning law;Lyapunov stability analysis;
 Language
English
 Cited by
1.
Uncertainty decomposition-based fault-tolerant adaptive control of flexible spacecraft, IEEE Transactions on Aerospace and Electronic Systems, 2015, 51, 2, 1053  crossref(new windwow)
2.
A new aerodynamic decoupled frequential FDIR methodology for satellite actuator faults, International Journal of Adaptive Control and Signal Processing, 2014, 28, 9, 812  crossref(new windwow)
3.
Aerodynamic Decoupled FDI for Frequency Faults in Earth Satellite Engines, IFAC Proceedings Volumes, 2012, 45, 20, 1095  crossref(new windwow)
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