Abstract This paper discusses the generation, stability, and control of artificial equilibrium points for a solar balloon spacecraft in the α Centauri A and B binary star system. The continuous propulsive acceleration provided by a solar balloon is shown to be able to modify the position of the (classical) Lagrangian equilibrium points of the three-body system on a locus whose geometrical form is known analytically. A linear stability analysis reveals that the new generated equilibrium points are usually unstable, but part of them can be stabilized with a simple feedback control logic.

    Highlights A solar balloon may displace the equilibrium points of the α Centauri system. Two families of artificial equilibrium points may be generated. Most of the L 1-type points may be stabilized with a proportional-derivative control law. The requirements of a balloon spacecraft for a mission around an equilibrium point are estimated.


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    Titel :

    Artificial equilibrium points for a solar balloon in the α Centauri system


    Beteiligte:

    Erschienen in:

    Acta Astronautica ; 104 , 2 ; 464-471


    Erscheinungsdatum :

    2014-03-08


    Format / Umfang :

    8 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch






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