Aeronautics and astronautics – Spacecraft – Attitude control
Patent
1997-08-04
2000-09-05
Barefoot, Galen L.
Aeronautics and astronautics
Spacecraft
Attitude control
701 13, 244164, B64G 132
Patent
active
061130346
ABSTRACT:
The attitude of a physical platform (62) is altered by a summation of forces from an attitude actuator (74), disturbance forces (80) and random noise (82). Attitude sensors (64) sense the attitude of the physical platform (62) and output measured attitude parameters to a disturbance force effects (DFE) filter (66) and an attitude filter (68). The DFE filter (66) outputs an attitude perturbation command to the attitude filter (68) and a command translator (72). Effects of the attitude perturbation are used by the DFE filter (66) to estimate the effects of disturbances on the physical platform (62). A trigger signal (76) from the attitude actuator (74) is used by DFE filter (66) to select an appropriate gain matrix used in the estimation process.
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Basuthakur Sibnath
Bonello David Paul
Buntschuh Frank Hallett
Barefoot Galen L.
Bogacz Frank J.
Motorola Inc.
Whitney Sherry J.
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