Abstract A nonlinear robust control strategy is developed for Six-Degree-of-Freedom (6DOF) Reusable Launch Vehicles (RLV) which is nonlinear, multivariable, strong coupling, and includes uncertain parameters and external disturbances. Firstly, a reentry guidance law is designed to generate feasible guidance commands which are then tracked by second-order sliding mode attitude controller designed based on quasi-continuous high-order sliding mode theory. Furthermore, in order to reduce control chattering, the virtual control is introduced into the design of third-order sliding mode attitude controller which achieves higher tracking accuracy and less control chattering. Finally, 6DOF integrated guidance and control simulation results for X-33 vehicle are presented to demonstrate the effectiveness of the proposed control strategy in tracking the guidance commands as well as achieving safe and stable reentry flight.


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    Titel :

    Quasi-continuous high-order sliding mode controller design for reusable launch vehicles in reentry phase


    Beteiligte:
    Tian, Bailing (Autor:in) / Zong, Qun (Autor:in) / Wang, Jie (Autor:in) / Wang, Fang (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2012-10-31


    Format / Umfang :

    10 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch