The feasibility of using a generic simulation, TREETOPS, to simulate the Pinhole/Occulter Facility (P/OF) to be tested on the space shuttle was demonstrated. The baseline control system was used to determine the pointing performance of the P/OF. The task included modeling the structure as a three body problem (shuttle-instrument pointing system- P/OP) including the flexibility of the 32 meter P/OF boom. Modeling of sensors, actuators, and control algorithms was also required. Detailed mathematical models for the structure, sensors, and actuators are presented, as well as the control algorithm and corresponding design procedure. Closed loop performance using this controller and computer listings for the simulator are also given.


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    Titel :

    Modeling and analysis of pinhole occulter experiment: Initial study phase


    Beteiligte:

    Erscheinungsdatum :

    20.05.1985


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch





    The pinhole/occulter facility

    Hudson, H.S. | Elsevier | 1983


    Studies with the Pinhole/Occulter Facility

    TANDBERG-HANSSEN, E. / DABBS, J. / HUDSON, H. et al. | AIAA | 1983