To achieve in-flight wobble compensation for Galileo, wobble identification is implemented using star scanner data or automatic gain control (AGC) signal as measurement in all-spin mode. The star scanner provides spacecraft attitude in inertial space while the AGC signal provides the spacecraft pointing relative to earth. A linear observation model is defined for each sensor which is being applied to a Kalman Estimator. It can be shown from simulation that better result can be achieved using a combined set of data than any one sensor alone due to correlation reduction among error sources.
In-flight wobble identification for Galileo
1984-08-01
Conference paper
No indication
English
In-flight wobble identification for Galileo
AIAA | 1984
|NTRS | 2001
|Structural Mode Identification of Galileo Spacecraft from Flight Data
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