An H-infinity fault-tolerant control scheme is developed for the spacecraft orbit and attitude system when the spacecraft's attitude is affected by orbit actuators during orbit maneuvering. A solution of this problem can be obtained from a system of a linear matrix inequality (LMI). It's shown that the proposed fault-tolerant approach can make the systems stable and accurately track the desired signals in presence of external disturbances, model parameter uncertainties and even actuator faults. Simulation results are given to illustrate the effectiveness of the proposed controller.
Guaranteed cost fault-tolerant control for spacecraft orbit and attitude systems
01.08.2014
135256 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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