The problem of an optimal attitude control is studied for a tethered system under a constant thrust in noncoplanar orbital transfer. The contributions of this article mainly include two aspects: first, a noncoplanar orbital transfer scheme and second, a closed-loop optimal control method. Based on a constant thrust, a noncoplanar orbital transfer scheme between two sun-synchronous orbits is proposed, enabling convenient engineering implementation. Compared with existing closed-loop control methods, the hierarchical finite-time attitude tracking control method is presented in the last cycle of the closed-loop optimal control to reduce the error at the final moment. A numerical case of a tethered system in noncoplanar orbital transfer is studied to demonstrate the effectiveness of the proposed control scheme.


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    Title :

    Optimal Attitude Control of a Tethered System for Noncoplanar Orbital Transfer Under a Constant Thrust


    Contributors:
    Zhao, Guowei (author) / Sun, Liang (author) / Huang, Hai (author) / Geng, Lei (author)


    Publication date :

    2020-06-01


    Size :

    2791101 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English