Hypersonic vehicle is usually set as a typical nonlinear and uncertain model, which has fast time-variant parameters and strong coupled characteristics. This paper proposes an adaptive method to compensate for unknown disturbances of the aircraft model in real time and improve the control performance by designing the nonlinear control law. The error of control variable is tracked smoothly by the tracking differentiator, and an expanded state observer based on unknown disturbances is constructed to perform real-time unified estimation. The non-linear controller effectively improves the control efficiency and makes the controlled object track the instruction quickly and stably. What’s more, an intelligent evaluation of the parameters with ADRC controller is put forward by fuzzy control rules, which makes the parameters of ADRC controller adjust online. Simulation results for the controller of hypersonic vehicle demonstrate that the fuzzy-ADRC (FADRC) has an advantage in tracking speed and tracking effect than the conventional methods, and also simplifies the design process of ADRC parameters.


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    Title :

    Fuzzy Active Disturbance Rejection Control for Hypersonic Vehicle


    Additional title:

    Lect. Notes Electrical Eng.


    Contributors:
    Yan, Liang (editor) / Duan, Haibin (editor) / Yu, Xiang (editor) / Zhang, Zhiyao (author) / Feng, Tieshan (author) / Zheng, Zongzhun (author) / Wu, Hao (author) / Tan, Yun (author)


    Publication date :

    2021-10-30


    Size :

    13 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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