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Satellite Attitude Tracking Control with Uncertain Parameters
Cat T. Pham,Minhtuan Pham 제어로봇시스템학회 2011 제어로봇시스템학회 국제학술대회 논문집 Vol.2011 No.10
This paper proposes an approach for tracking control of the satellite attitude when the satellite"s inertial moment matrix and the environmental torques affecting on the satellite are unknown. The proposed approach uses an artificial neural network (ANN) with online-learning weights to generate the estimate of the uncertain parameters while assuring that the tracking error is always nullified when noises affect on the system. The asymptotical stability of the control system using an ANN is strictly mathematically proven using the Lyapunov stability theorem.