This study develops a modified integrated guidance and control (IGC) design for the orbit injection phase of a launch vehicle. Firstly, a coupled full-stage position and attitude dynamic model of a launch vehicle is firstly formulated. Secondly, dynamic surface control (DSC) technique is introduced, based on the nonlinear IGC scheme, to achieve the orbit injection mission, with saturation issues in view of the thrust magnitude and swing constraints of the main engines being considered. Besides, the control scheme utilizes a finite-time extended state observer (ESO) to handle various uncertainties in the system. Furthermore, the stability analysis of the closed-loop system is given by using the Lyapunov theory. Finally, numerical simulation is set to verify the proposed IGC method has satisfactory control accuracy and robust performance for the orbit-injection control under various uncertainties.


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    Title :

    Integrated Guidance and Control Design for Orbit Injection Phase of Launch Vehicle


    Additional title:

    Lect. Notes Electrical Eng.


    Contributors:
    Yan, Liang (editor) / Duan, Haibin (editor) / Deng, Yimin (editor) / Diao, Meng (author) / Zhang, Feng (author) / Li, Yang (author) / Qi, Zhenqiang (author)

    Conference:

    International Conference on Guidance, Navigation and Control ; 2022 ; Harbin, China August 05, 2022 - August 07, 2022



    Publication date :

    2023-01-31


    Size :

    9 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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