Control of divergence in Kalman filter used for autonomous navigation in low earth orbit is investigated; system studied utilizes stellar-referenced angle-sightings to sequence of known terrestrial landmarks; Kalman filter is used to compute differential corrections to spacecraft position, spacecraft velocity, and landmark location; variety of filter modifications for control of divergence was investigated; principal numerical results are presented in graphs of magnitude of error in estimated position and velocity vs time for 16 orbits.
Divergence in Kalman filter
AIAA J
AIAA Journal ; 5 , n 6
1967
7 pages
Article (Journal)
English
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Divergence in the Kalman filter.
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