Abstract This paper addresses a three-axis time-optimal attitude-control problem of rigid spacecraft. In this problem, an angular-acceleration vector lies within a spherically constrained space, and spin-to-spin boundary conditions are considered. The problem is converted into a two-point boundary-value problem by an indirect method, which is solved numerically because non-eigen-axis slew motions do not have a general analytical solution. To solve the problem, a homotopy algorithm is applied in which a discrete continuation method, closed-form solutions for single-axis slew maneuvers, and a costate transformation method are included. Through numerical examples, the properties of the optimal solutions are analyzed, and the efficiency of the numerical algorithm is demonstrated.


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    Titel :

    Spin-to-spin slew maneuvers under spherically constrained angular acceleration


    Beteiligte:
    Lee, Donghun (Autor:in) / Song, Young-Joo (Autor:in)

    Erschienen in:

    Advances in Space Research ; 64 , 6 ; 1274-1285


    Erscheinungsdatum :

    2019-06-18


    Format / Umfang :

    12 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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