This paper presents the state of the art and future prospects for autonomous real-time on-orbit calibration of gyros and attitude sensors. The current practice in ground-based calibration is presented briefly to contrast it with on-orbit calibration. The technical and economic benefits of on-orbit calibration are discussed. Various algorithms for on-orbit calibration are evaluated, including some that are already operating on board spacecraft. Because Redundant Inertial Measurement Units (RIMUs, which are IMUs that have more than three sense axes) are almost ubiquitous on spacecraft, special attention will be given to calibration of RIMUs. In addition, we discuss autonomous on board calibration and how it may be implemented.
Autonomous On-Board Calibration of Attitude Sensors and Gyros
2007-09-24
Aufsatz (Konferenz)
Keine Angabe
Englisch
Survey of Calibration Algorithms for Spacecraft Attitude Sensors and Gyros (AAS 07-295)
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