In this paper, the problem of spacecraft attitude control with soft faults of actuators is investigated. A robust fault-tolerant controller is proposed in spacecraft with the explicit model predictive control. Firstly, Fault model of the actuator is established with the method based on explicit model prediction. Then, considering the model uncertainty and the system state disturbance, the control problem based on the spacecraft actuator failure state was transformed into the multi-parametric quadratic programs (MPQP) under the constraints. Finally, a recursive process of combining and replacing solutions is given to extract the required explicit control laws. By designing the terminal cost function and constraint set appropriately, it is proved that the MPC controller is robust to the constraints applied in the closed loop of the uncertain system and the input to the stability of the origin state.
Fault-Tolerant Attitude Control of Spacecraft via Explicit Model Prediction Method
Lect. Notes Electrical Eng.
International Conference on Aerospace System Science and Engineering ; 2021 July 14, 2021 - July 16, 2021
Proceedings of the International Conference on Aerospace System Science and Engineering 2021 ; Kapitel : 12 ; 147-161
09.07.2022
15 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
Passive fault-tolerant control , Model predictive control , Multiparameter programming , Dynamic programming , Fault-tolerant control in spacecraft Engineering , Aerospace Technology and Astronautics , Communications Engineering, Networks , Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics) , Control and Systems Theory
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