The problem of developing a controller for spacecraft to accomplish attitude maneuvers within a prescribed time, independently of the initial states, is addressed. A fixed-time disturbance observer-based control is established and proved to drive the error state to zero, in a prescribed time, in the presence of modeling and external uncertainties. The key advantages of the proposed control are that the gains are explicitly determined by the prescribed maneuvering time only and that it is also robust to instantaneous disturbances. The control approach enables an efficient design process for attitude control applications with time constraints. Simulation results are presented for the attitude control of a rigid spacecraft to verify the benefits of this control scheme.


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    Title :

    Prescribed Time Attitude Tracking Control of Spacecraft With Arbitrary Disturbance


    Contributors:
    Xiao, Bing (author) / Wu, Xiwei (author) / Cao, Lu (author) / Hu, Xiaoxiang (author)


    Publication date :

    2022-06-01


    Size :

    2063325 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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