APPARATUS FOR DETECTING ATTITUDE OF SPACECRAFT

PROBLEM TO BE SOLVED: To highly accurately detect an attitude with an improvement in the number of stars to be detected. SOLUTION: Known star position information and a gravity center operational error because of stars in the vicinity of a star to be detected are stored in a first and a second data-...

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Bibliographische Detailangaben
1. Verfasser:	KAWAGUCHI YOSHIHISA
Format:	Patent
Sprache:	eng
Schlagworte:	AIRCRAFT AVIATION COSMONAUTICS GYROSCOPIC INSTRUMENTS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING DISTANCES, LEVELS OR BEARINGS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS NAVIGATION PERFORMING OPERATIONS PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING TRANSPORTING VEHICLES OR EQUIPMENT THEREFOR
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To highly accurately detect an attitude with an improvement in the number of stars to be detected. SOLUTION: Known star position information and a gravity center operational error because of stars in the vicinity of a star to be detected are stored in a first and a second data-recording parts 13 and 15. Positions of the centers of gravity are obtained on the basis of the known star position information and star images. A position of the center of gravity of the star to be detected is obtained on the basis of the operation result of the centers of gravity, star position information of the known star to be detected and gravity center operation error because of stars in the vicinity of the star to be detected. An attitude of a spacecraft is calculated on the basis of the position of the center of gravity.