Most tracking systems use gyroscopes of one form or another to help stabilize and control the line of sight (LOS) for the tracking sensor. Typically, the gyroscopes may be a significant part of the cost of the tracking system and may also require significant power which is often limited, especially for tractical applications. By optimally combining the tracking sensor's output with that from a magnetohydrodynamic angular motion sensor (MHD AMS), a tracking system platform can be stabilized to high bandwidths. The MHD AWS performs the same function as a gyroscope at high frequencies, but currently lacks capability to measure very low frequency inertial angular rates. This paper briefly reviews typical tracking systems using gyroscopes. Next, the basic characteristics and testbed capabilities of the MHD AWS are presented. Using the predicted MHD AMS noise and that expected from the tracking sensor, the pointing performance is estimated for several different applications. The MHD AMS has been designed in several versions which have different sensitivity and noise characteristics. Hence, a range of MHD AMS/tracking sensor combinations may be used to provide systems which fulfill a variety of pointing and tracking specifications. Cost and performance information is compared with those of typical gyroscopes used in a tracking system LOS stabilization applications.


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    Titel :

    A low-cost alternative to gyroscopes for tracking system stabilization


    Weitere Titelangaben:

    Eine kostengünstige Alternative zu Gyroskopen für die Nachlaufsystem-Stabilisierung


    Beteiligte:
    Laughlin, D.R. (Autor:in) / Hawes, M.A. (Autor:in) / Blackburn (Autor:in) / Sebesta, H.R. (Autor:in)


    Erscheinungsdatum :

    1990


    Format / Umfang :

    12 Seiten, 11 Bilder, 3 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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