In order to improve the performance of the cockpit canopy manipulation electric mechanism, and shorten the opening and closing time of the cockpit canopy, the algorithm control strategy of the cockpit canopy manipulation electric mechanism controller has been improved. This paper proposes a nonlinear speed control strategy based on the fal function and expanded observer compensation for the BLDCM speed loop. By designing an expanded observer to estimate the uncertain states present in the system, the uncertain terms in the system are treated as a new unknown state, thereby expanding the original system into a new system, and the stability of the designed expanded state observer is analyzed using Lyapunov stability theory. Combining the fal function and nonlinear state error feedback control law, a nonlinear controller design for the brushless DC motor speed loop controller is conducted, introducing the output results of the expanded observer into the nonlinear state error feedback control law to construct a novel nonlinear speed control law. Simulation and experimental results indicate that the designed nonlinear speed controller can shorten the opening and closing time of the cockpit canopy and improve the performance of the cockpit canopy’s actuating mechanism, thereby validating the effectiveness of the designed nonlinear speed controller.


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    Title :

    Design of Nonlinear Speed Controller for Aircraft Cockpit Canopy


    Contributors:
    Lai, Jinyong (author) / Cheng, Yi (author) / Luo, Guangzhao (author) / Chao, Shiyuan (author)


    Publication date :

    2024-09-20


    Size :

    922726 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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