Highlights Verify the feasibility of far-field electromagnetic models for dynamics analysis. Analyze electromagnetic self-docking capability and give magnetic dipole condition. Design velocity-aimed controller for electromagnetic docking via conservation laws.

    Abstract As a novel and potential supporting technology for on-orbit operation missions, spacecraft electromagnetic docking has not only distinct visible advantages, but also several intrinsic unconspicuous capabilities, such as the self-docking capability which could be exploited to alleviate the burden of the docking controller. Based on theoretical derivation and comparison with the near-field model and numerical simulation, the feasibility of utilizing the far-field electromagnetic force/torque model to spacecraft electromagnetic docking characteristics analysis is firstly verified. Then, the self-docking capability is studied with self-alignment and self-attraction analysis, and the necessary condition for the former and the sufficient condition for the latter are derived. Finally, a velocity-aimed electromagnetic docking control approach based on the self-docking capability and the conservation laws is put forward and verified by numerical simulations.


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    Title :

    Self-docking analysis and velocity-aimed control for spacecraft electromagnetic docking


    Contributors:
    Zhang, Yuan-wen (author) / Yang, Le-ping (author) / Zhu, Yan-wei (author) / Ao, Hou-jun (author) / Qi, Da-wei (author)

    Published in:

    Advances in Space Research ; 57 , 11 ; 2314-2325


    Publication date :

    2016-03-11


    Size :

    12 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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