Determination of misalignment between two inertial systems is problem dealing with random variables; initial misalignment angles are random variables, as are inertial instrument inaccuracies; if figure of quality is to be assigned to indicated misalignment, statistical techniques must be used; optimum linear filter developed by R.E. Kalman is applied; given linear expressions for propagation of misalignment angles and for measurement process, technique produces maximum-likelihood, real-time estimate of desired quantities; use of indicated downward velocities and inclusion of vertical maneuver during estimation process are investigated to improve accuracy of level misalignment estimates. (11918)


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    Titel :

    Kalman filter in transfer alignment of inertial guidance systems


    Weitere Titelangaben:

    J Spacecraft Rockets


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    1968


    Format / Umfang :

    6 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :