Abstract An adaptive backstepping control scheme has been put forward to investigate the attitude stabilization problem for a spacecraft with modeling uncertainties, external disturbances, actuator failures, angular velocity limitations and actuator limitations simultaneously. Based on the active disturbance rejection concept (ADRC), a positive definite diagonal matrix is selected by the designer to separate a control item from the system. Then, an extended state observer is constructed to deal with the total uncertain item including actuator failure. In order to deal with the limitation of torques, a saturation coefficient is introduced and its adaptive law is obtained. Meanwhile, a command filter and the compensation signal are constructed to handle the angular velocity limitations. Finally, the stability of the closed-loop system is analyzed. Simulation results are given to verify the effectiveness of the proposed scheme.


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    Titel :

    Attitude stabilization of rigid spacecraft with angular velocity and torque limitations


    Beteiligte:
    Cheng, Chun-hua (Autor:in) / Li, Lin (Autor:in) / Han, Qiang (Autor:in) / Ma, Hai-yang (Autor:in) / Yang, Hang (Autor:in) / Yang, Ming-xu (Autor:in) / Hao, Dong-sheng (Autor:in)

    Erschienen in:

    Advances in Space Research ; 68 , 11 ; 4525-4533


    Erscheinungsdatum :

    2021-09-08


    Format / Umfang :

    9 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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