An attitude estimator that uses star tracker measurements and enhanced Kalman filtering, with or without attitude data, to provide three-axis rate estimates. The enhanced Kalman filtering comprises taking an average of forward and rearward propagations of the Kalman filter states and the error covariances. The star tracker-based rate estimates can be used to control the attitude of a satellite or to calibrate a sensor, such as a gyroscope.


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    Titel :

    Star tracker rate estimation with kalman filter enhancement


    Beteiligte:

    Erscheinungsdatum :

    2015-07-07


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / B64G Raumfahrt , COSMONAUTICS / G01P MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK , Messen der Linear- oder Winkelgeschwindigkeit, der Beschleunigung, der Verzögerung oder des Stoßes




    Star Tracker Rate Estimation with Kalman Filter Enhancement (AIAA 2013-5024)

    Chiang, R.Y. / Tsao, T. / American Institute of Aeronautics and Astronautics | British Library Conference Proceedings | 2013


    Angular-Rate Estimation Using Star Tracker Measurements

    Azor, R. / Bar-Itzhack, I. / Deutschmann, J. et al. | British Library Conference Proceedings | 1999



    Towards Star Tracker Only Attitude Estimation

    Enright, J. / McVittie, G. / Dzamba, T. et al. | British Library Conference Proceedings | 2010