Abstract A two-level control system design is considered for large space structures, which consists of a primary and a secondary controller. The secondary or damping enhancement controller is shown to be stable and robust, even when time-invariant nonlinearities are present in the actuators and sensors. The use of Annular Momentum Control Devices (AMCD's) is also considered for secondary control. The primary attitude controller using collocated torque actuators and attitude and rate sensors is stable and robust. The effect on actuator/sensor dynamics on the stability of the primary and secondary controllers is investigated. The AMCD's used for secondary control actuation can also be used for the primary controller.


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    Title :

    A class of stable, robust feedback controllers for large space structures


    Contributors:

    Published in:

    Acta Astronautica ; 9 , 5 ; 291-295


    Publication date :

    1982-01-05


    Size :

    5 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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