The purpose of this paper is to evaluate the safety of formation flying satellites, and propose a method for practical collision monitoring and collision avoidance manoeuvre.

    Design/methodology/approach

    A general formation description method based on relative orbital elements is proposed, and a collision probability calculation model is established. The formula for the minimum relative distance in the crosstrack plane is derived, and the influence of J2 perturbation on formation safety is analyzed. Subsequently, the optimal collision avoidance manoeuvre problem is solved using the framework of linear programming algorithms.

    Findings

    The relative orbital elements are illustrative of formation description and are easy to use for perturbation analysis. The relative initial phase angle between the in-plane and cross-track plane motions has considerable effect on the formation safety. Simulations confirm the flexibility and effectiveness of the linear programming-based collision avoidance manoeuvre method.

    Practical implications

    The proposed collision probability method can be applied in collision monitoring for the proximity operations of spacecraft. The presented minimum distance calculation formula in the cross-track plane can be used in safe configuration design. Additionally, the linear programming method is suitable for formation control, in which the initial and terminal states are provided.

    Originality/value

    The relative orbital elements are used to calculate collision probability and analyze formation safety. The linear programming algorithms are extended for collision avoidance, an approach that is simple, effective, and more suitable for on-board implementation.


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    Titel :

    Collision monitoring and optimal collision avoidance manoeuvre for formation flying satellites


    Beteiligte:
    Zeng, Guoqiang (Autor:in) / Hu, Min (Autor:in) / Song, Junling (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2012-10-12


    Format / Umfang :

    10 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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