This paper is based on the theory of sliding mode control, proposing a cooperative guidance law considering target maneuver and impact angle constraints in a three-dimensional environment. Initially, a cooperative interception guidance dynamic model with target acceleration is established. Subsequently, to address the issue of estimating the maneuvering target acceleration, an adaptive second-order sliding mode observer is proposed, which autonomously adjusts design parameters based on estimation errors and provides real-time compensation in the acceleration command. Furthermore, on the normal direction of the line of sight (LOS) and the LOS direction, a cooperative guidance law, which is based on a novel consistency protocol and terminal sliding mode guidance law are introduced to achieve simultaneous saturation attack on the target, ensuring finite-time con-vergence of the LOS angular rate. The finite-time stability of the designed guidance law is demonstrated through Lyapunov theory. Finally, the effectiveness of the proposed guidance law is verified through numerical simulations.


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    Title :

    Three-dimensional cooperative guidance law with terminal angle constraints for maneuvering targets


    Contributors:
    Zhang, Han (editor) / Zhang, Zirui (author) / Ma, Jingyi (author) / Wang, Jiang (author) / Hu, Qindong (author) / Li, Hongyan (author)

    Conference:

    First Aerospace Frontiers Conference (AFC 2024) ; 2024 ; Xi’an, China


    Published in:

    Proc. SPIE ; 13218


    Publication date :

    2024-08-16





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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