This paper proposes a new adaptive control scheme for uncertain non-canonical nonlinear aircraft systems, which expands the capacity of linearization-based adaptive control from local to semi-global. Local linearization-based design has been used for adaptive control of non-canonical nonlinear aircraft systems, due to certain desired capacity to handle complexity of non-canonical aircraft system dynamics for which most existing nonlinear control methods are not applicable. As a benchmark study, this paper addresses a general longitudinal dynamic motion of rigid aircraft systems in a non-canonical form with unparametrizable uncertainties. A semi-global linearization-based control method is developed for such aircraft systems by constructing a new reparametrization procedure based on T-S fuzzy system approximation using local linearized models and a relative degree formulation, and then developing an adaptive controller to ensure closed-loop stability and asymptotic output tracking for T-S fuzzy approximation aircraft systems. Simulation results verify the effectiveness of the proposed control scheme.


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    Title :

    Adaptive control of uncertain nonlinear aircraft systems using combined linearized models


    Contributors:
    Zhang, Yanjun (author) / Tao, Gang (author) / Chen, Mou (author) / Xunhong Lv (author)


    Publication date :

    2016-08-01


    Size :

    233205 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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