The possibility of rejecting torque disturbances that degrade the pointing and tracking accuracy of electromechanical pedestals and general two-axis systems used for target acquisition and robotics is discussed. Torque rejection achieved through disturbance estimation and compensation results in a vast improvement in pointing accuracy. For the class of disturbances considered, comparisons of a classical loop configuration of a tracker, modeled as a two-mass system, with the state-space solution indicate that at least an order-of-magnitude improvement in tracking error can be achieved.<>


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    Title :

    Torque disturbance rejection in high accuracy tracking systems


    Contributors:
    Profeta, J.A. (author) / Vogt, W.G. (author) / Mickle, M.H. (author)


    Publication date :

    1990-03-01


    Size :

    567613 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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