Observability requirements previously established for bearings-only tracking in two dimensions are extended to a class of three-dimensional estimation algorithms capable of processing any pairwise combination of azimuth bearing, conical bearing, and depth/elevation angle measurements. Although these algorithms are intrinsically nonlinear, it is shown that they can be analyzed in a linear framework without sacrificing mathematical rigor. A simplified observability criterion, applicable to both autonomous and nonautonomous linear systems, is presented and utilized to specify conditions on own-ship motion which are both necessary and sufficient for a unique tracking solution. Further analysis reveals that observability dependence on own-ship maneuvers for the three-dimensional algorithms considered here parallels the concomitant two-dimensional requirements. An interesting difference, however, is that under certain conditions, a unique tracking solution can be obtained in three dimensions for unaccelerated own-ship motion.


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    Titel :

    Observability Requirements for Three-Dimensional Tracking via Angle Measurements


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    1985-03-01


    Format / Umfang :

    1674858 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch






    Observability of Target Tracking with Range-only Measurements

    Song, T. L. / Japan Society for Aeronautical and Space Services / Japan Aeronautical Engineers Association | British Library Conference Proceedings | 1997