During the deployment of a spin-type heliogyro solar sail, its moment of inertia increases, thereby leading to a decrease in the angular velocity of the system. Because a minimum angular velocity is required to prevent the solar-elastic instability of the fully deployed rotating ultrathin blades, the moment induced by solar radiation pressure on the deployed blade is intentionally driven. In this study, a possible control scenario for the full deployment of heliogyro blades is investigated by controlling the blade pitch angle and the rotation speed of the blade reel. A successful simulation shows that the heliogyro blade can be fully deployed at the desired terminal angular velocity with open-loop spin control and with optimum gains by a generic algorithm, as well as adaptive spin control.


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    Title :

    Dynamic Modeling and Spin Control for Deployment of Spin-Type Heliogyro Solar Sail


    Contributors:
    Kim, G. W. (author) / Choi, S. B. (author) / Kang, Jaeyoung (author)

    Published in:

    Publication date :

    2020-01-13


    Size :

    9 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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