Attitude determination of stratospheric balloons using Kalman filters

Details Attitude determination of stratospheric balloons using Kalman filters Attitude determination of stratospheric balloons using Kalman filters

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992ipesprept.....d&link_type=abstract

M.S. Thesis Instituto de Pesquisas Espaciais, Sao Jose dos Campos (Brazil).

Mathematics

Logic

Attitude (Inclination), Attitude Stability, Computerized Simulation, Dynamic Models, Kalman Filters, Meteorological Balloons, State Estimation, Calculus, Gyroscopes, Quaternions, Simplification, Telescopes

Scientific paper

The application of state estimation, via extended Kalman filter, in attitude determination of a balloon borne telescope was studied. This astrophysical experiment - the MASCO project requires a pointing accuracy with maximum error of 20 arcmin in the stabilization phase. The attitude determination uses three gyroscope axis, a two axis sun sensor and a three axis magnetometer. The cinematic model of the gyroscope substitutes the telescope motion dynamic model in the Kalman filter and the attitude description is performed using quaternions. A second configuration of estimation uses constant Kalman gain for calculus simplification and processing time reduction. The two configurations are analyzed and compared through digital computer simulations.

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