Gamma Ray Observatory (GRO) OBC attitude error analysis
Abstract
This analysis involves an in-depth look into the onboard computer (OBC) attitude determination algorithm. A review of TRW error analysis and necessary ground simulations to understand the onboard attitude determination process are performed. In addition, a plan is generated for the in-flight calibration and validation of OBC computed attitudes. Pre-mission expected accuracies are summarized and sensitivity of onboard algorithms to sensor anomalies and filter tuning parameters are addressed.
- Publication:
-
Flight Mechanics/Estimation Theory Symposium, 1990
- Pub Date:
- December 1990
- Bibcode:
- 1990fmet.symp..321H
- Keywords:
-
- Airborne/Spaceborne Computers;
- Algorithms;
- Attitude (Inclination);
- Calibrating;
- Error Analysis;
- Gamma Ray Observatory;
- Satellite Attitude Control;
- Anomalies;
- Simulation;
- Tuning;
- Astrodynamics