The purpose of this study is to investigate the deployment and control of cable-driven flexible solar arrays.

    Design/methodology/approach

    First, dynamic model of the system is established by using the Jourdain’s velocity variation principle and the single direction recursive construction method, including the dynamic equation of a single flexible body, the kinematical recursive relation of two adjacent flexible bodies and the dynamic equation of the solar array system. Then, the contribution of joint friction to the dynamic equation of the system is derived based on the virtual power principle. A three-dimensional revolute joint model is introduced and discussed in detail. Finally, a proportion-differentiation (PD) controller is designed to control the drift of the system caused by the deployment.

    Findings

    Simulation results show that the proposed model is effective to describe the deployment of flexible solar arrays, joint friction may affect the dynamic behavior of the system and the PD controller can effectively eliminate the spacecraft drift.

    Practical implications

    This model is useful to indicate the dynamics behavior of the solar array system with friction.

    Originality/value

    The relationship between ideal constraint force and Lagrange multipliers is derived. The contribution of joint friction to the dynamic equation of the system is derived based on the virtual power principle. A PD controller is designed to control the drift of the system caused by the deployment of solar arrays.


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    Title :

    Deployment and control of cable-driven flexible solar arrays


    Contributors:
    Li, Haiquan (author) / Duan, Liucheng (author) / Liu, Xiaofeng (author) / Cai, Guoping (author)

    Published in:

    Publication date :

    2017-10-02


    Size :

    10 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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