On the basis of nonlinear dynamic inversion theory, a novel scheme combining sliding-mode control and backstepping is proposed for missile attitude control. In order to handle matched and unmatched uncertainties caused by unmodeled dynamics and variations of aerodynamic coefficients, a linear extended state observer (LESO) is introduced to estimate the uncertainties and the evaluated errors are compensated at each step of the backstepping design procedure. The stability of the closed-loop system is demonstrated based on Lyapunov theory. Simulation results show that the proposed scheme can guarantee the excellent tracking performance and the strong robustness against aerodynamic derivative variations.


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    Titel :

    Backstepping sliding-mode control for missile attitude using a linear extended state observer


    Beteiligte:
    Wang, Sen (Autor:in) / Wang, Weihong (Autor:in) / Xiong, Shaofeng (Autor:in)


    Erscheinungsdatum :

    01.08.2014


    Format / Umfang :

    168896 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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