Application of the Hybrid Extended Kalman Filter to Identify Parameters of the Inertial Measurement Unit of the Spacecraft Onboard Software

—Inertial measurement units (IMUs) used in spacecraft for measuring their angular velocity vectors have certain features. IMU characteristics can be identified and orientation parameters can be estimated directly onboard the spacecraft during angular motion control using an extended Kalman filter. A...

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Bibliographic Details
Published in:Solar system research 2021-12, Vol.55 (7), p.734-742
Main Author: Rozin, P. E.
Format: Article
Language:English
Subjects:
Astronomy
Astrophysics and Astroparticles
Astrophysics and Cosmology
Observations and Techniques
Physics
Physics and Astronomy
Planetology
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Summary:—Inertial measurement units (IMUs) used in spacecraft for measuring their angular velocity vectors have certain features. IMU characteristics can be identified and orientation parameters can be estimated directly onboard the spacecraft during angular motion control using an extended Kalman filter. As a rule, this problem is solved by ground-based means of the Mission Control Center based on the results of telemetry processing. The article considers the possibility of automating the process by including appropriate algorithms in the onboard software of the spacecraft.
ISSN:0038-0946
1608-3423
DOI:10.1134/S0038094621070157