The purpose of this paper is to solve the problem of adaptive predefined-time control for spacecraft rendezvous maneuver with input quantization and unknown parameters.

    Design/methodology/approach

    A significant error-shifting function is established to ensure that the limitation of the initial condition can be ignored. Then, a combination of neural networks method and minimum-learning-parameter method is used to mitigate the adverse effects caused by nonlinear system dynamics. An input quantization method is applied to improved efficiency of data communication between controller and actuator in rendezvous maneuver control system.

    Findings

    The simulation results verify the correctness and effectiveness of the designed control strategy which can effectively overcome the disadvantages caused by coupling nonlinear system dynamics.

    Originality/value

    This paper designs an adaptive predefined-time control method for spacecraft rendezvous maneuver control with input quantization based on backstepping control method.


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    Title :

    Predefined-time control for spacecraft rendezvous maneuver with quantized input


    Contributors:
    Deng, Chengchen (author) / Zhao, Haihan (author) / Huang, Han (author) / Shi, Zhen (author) / Li, Jiamin (author) / Liu, Sheng (author)

    Published in:

    Publication date :

    2025-01-30


    Size :

    10 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English