For future Mars entry missions, a composite entry tracking strategy is studied in this article. For precision entry, the nonlinear entry dynamics, complex uncertainties and multi-source disturbance are considered specially. The composite entry tracking strategy includes constrained multi-model predictive control (CMPC), to optimize tracking performance, as well as disturbance observer based control for active disturbance rejection. Monte Carlo simulations demonstrate the effectiveness of the proposed method under control saturation constraint, multi-source disturbances and uncertainties of initial states and aerodynamic parameters.


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    Title :

    Disturbance observer based constrained multi-model predictive control for Mars entry trajectory tracking


    Contributors:
    Chao, Wu (author) / Shihua, Li (author) / Jun, Yang (author) / Lei, Guo (author)


    Publication date :

    2014-08-01


    Size :

    165037 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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