This paper presents a composite anti-disturbance control method for the magnetic bearing system in a double-gimbal magnetically suspended control moment gyro (DGMSCMG) with mismatched disturbances. The proposed method combines a state-space disturbance observer and a robust controller for rejecting and attenuating the external disturbances and model uncertainties. By stabilizing the state variables to different equilibrium points, the mismatched disturbances are transformed to be matched with the control input variable. One novel merit of the proposed method is its ability to deal with the mismatched influence via the disturbance observer. Experimental results conducted on the DGMSCMG system demonstrate the effectiveness of the proposed control strategy.


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    Title :

    High-precision control for double-gimbal magnetically suspended control moment gyro via composite anti-disturbance control


    Contributors:


    Publication date :

    2015-06-01


    Size :

    11 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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