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Proceedings Paper

Posture metrology for aerospace camera in the assembly of spacecraft
Author(s): ZaiHua Yang; Song Yang; Bile Wan; Tingyao Pan; Changyu Long
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Paper Abstract

During the spacecraft assembly process, the posture of the aerospace camera to the spacecraft coordinate system needs to be measured precisely, because the posture data are very important for the earth observing. In order to measure the angles between the camera optical axis and the spacecraft coordinate system’s three axes x, y, z, a measurement scheme was designed. The scheme was based on the principle of space intersection measurement with theodolites. Three thodolites were used to respectively collimate the camera axis and two faces of a base cube. Then, through aiming at each other, a measurement network was built. Finally, the posture of the camera was measured. The error analysis and measurement experiments showed that the precision can reach 6″. This method has been used in the assembly of satellite GF-2 with satisfactory results.

Paper Details

Date Published: 26 January 2016
PDF: 5 pages
Proc. SPIE 9903, Seventh International Symposium on Precision Mechanical Measurements, 990331 (26 January 2016); doi: 10.1117/12.2218679
Show Author Affiliations
ZaiHua Yang, Beijing Institute of Spacecraft Environment Engineering (China)
Song Yang, Beijing Spacecraft General Design Department (China)
Bile Wan, Beijing Institute of Spacecraft Environment Engineering (China)
Tingyao Pan, Beijing Institute of Spacecraft Environment Engineering (China)
Changyu Long, Beijing Institute of Spacecraft Environment Engineering (China)


Published in SPIE Proceedings Vol. 9903:
Seventh International Symposium on Precision Mechanical Measurements
Liandong Yu, Editor(s)

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