The decentralized consensus control of a formation of rigid-body spacecraft is studied in the framework of geometric mechanics while accounting for a constant communication time delay between spacecraft. The relative position and attitude (relative pose) are represented on the Lie group SE(3) and the communication topology is modeled as a digraph. The consensus problem is converted into a local stabilization problem of the error dynamics associated with the Lie algebra s e ( 3 ) in the form of linear time-invariant delay differential equations with a single discrete delay in the case of a circular orbit, whereas it is in the form of linear time-periodic delay differential equations in the case of an elliptic orbit, in which the stability may be assessed using infinite-dimensional Floquet theory. The proposed technique is applied to the consensus control of four spacecraft in the vicinity of a Molniya orbit.


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    Titel :

    Decentralized Consensus Control of a Rigid-Body Spacecraft Formation with Communication Delay


    Beteiligte:
    Nazari, Morad (Autor:in) / Butcher, Eric A. (Autor:in) / Yucelen, Tansel (Autor:in) / Sanyal, Amit K. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2016-01-25


    Format / Umfang :

    14 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch