AbstractFinite-time control schemes without the drawback of unwinding are investigated by backstepping method for the spacecraft. The first finite-time controller is robust to external disturbances in which a novel virtual angular velocity is designed to avoid that the trace of the error rotation matrix equals to one. By using adaptive control, the second finite-time controller that can deal with input saturation is also robust to external disturbances. Theoretical analysis and numerical simulations are presented to prove the validity of the designed controllers.

    HighlightsFinite-time controllers without unwinding are given by using backstepping method.The first controller that can keep tr( R ˜ )≠−1 does not have limit on the region of attraction.The second finite-time controller can deal with input saturation.


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    Titel :

    Backstepping control for attitude tracking of the spacecraft under input saturation


    Beteiligte:
    Guo, Yong (Autor:in) / Guo, Jin-hua (Autor:in) / Song, Shen-min (Autor:in)

    Erschienen in:

    Acta Astronautica ; 138 ; 318-325


    Erscheinungsdatum :

    2017-06-05


    Format / Umfang :

    8 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch