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.
Star tracker rate estimation with kalman filter enhancement
2015-07-07
Patent
Elektronische Ressource
Englisch
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)
British Library Conference Proceedings | 2013
|Angular-Rate Estimation Using Star Tracker Measurements
British Library Conference Proceedings | 1999
|Towards Star Tracker Only Attitude Estimation
British Library Conference Proceedings | 2010
|