This paper investigates the attitude control problem for spacecraft attitude maneuvers under constrains and also subject to actuator faults and saturation. Firstly, based on the 3-dimensional Special Orthogonal Group, a second-order fully-actuated system described by exponential coordinates is constructed. Then, a barrier Lyapunov function is proposed to satisfy the condition of attitude constrains. Finally, a terminal sliding-mode control method is applied to design the final control law while the Nussbaum-type function is used to address the unknown time-varying gains aroused by actuator faults and saturation. By using Lyapunov stability approach, the convergence of state errors and the stability of the closed-loop system are analysed accordingly. Finally, the effectiveness of the presented control scheme is validated through a numerical simulation.


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    Title :

    Fault-Tolerant Control for Spacecraft Attitude Maneuver under Constraints Based on the Fully-actuated System


    Contributors:
    Liu, Kerun (author) / Feng, Zhenyu (author) / Li, Huayi (author) / Liu, Ming (author)


    Publication date :

    2024-05-15


    Size :

    1049554 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English