The pointing knowledge required for the Earth Observing System (EOS) AM mission is at the limit of the current generation of star trackers, with little margin. Techniques for improving the performance of existing star trackers are explored, with performance sensitivities developed for each alternative. These are extended to define the most significant performance enhancements for a next generation star tracker. Since attitude determination studies tend to be computationally intensive, an approach for using a simpler one degree of freedom formulation is contrasted with a full three degree of freedom formulation. Additionally, covariance analysis results are compared with time domain simulation performance results.
EOS attitude determination and next generation star tracker enhancements
AIAA, AHS, and ASEE, Aerospace Design Conference ; 1993 ; Irvine, CA, United States
1993-02-01
Aufsatz (Konferenz)
Keine Angabe
Englisch
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