Highlights An optimal nutation reduction method based on a flexible contactor is proposed. A highly efficient data-driven model is established to describe the contact process. The nutation of a tumbling satellite can be reduced efficiently in the early stage of the de-tumbling tasks.

    Abstract Stabilizing tumbling satellites is a crucial step in ensuring safe on-orbit capture. A new de-tumbling method has been proposed that uses a flexible device, such as a brush or rod, to make contact with the target object and avoid potential collisions. However, this method faces two challenges: (i) The complex rotary motion makes it very difficult to determine the contact position on the target satellite, which is crucial to reduce nutation during de-tumbling. (ii) The conventional finite-element-based dynamic model of the flexible contactor is high-dimensional, leading to unacceptable computing time for on-orbit simulation. To address these problems, this paper proposes an optimal method to efficiently reduce the nutation by predicting the initial contact position for each contact process. Additionally, a fast computation model of the de-tumbling system is established based on a data-driven approach to support real-time prediction. Finally, numerical simulations are conducted to demonstrate the effectiveness and high efficiency of the proposed method.


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    Title :

    An optimal nutation reduction method for contact de-tumbling of satellites


    Contributors:
    Chen, Hao (author) / Cao, Xuyang (author) / Dai, Honghua (author) / Yue, Xiaokui (author)

    Published in:

    Advances in Space Research ; 73 , 1 ; 187-200


    Publication date :

    2023-10-07


    Size :

    14 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English






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