Fast star tracking technology in star sensor

Jie Jiang; Xiao Li; Guangjun Zhang; Xinguo Wei

doi:10.1117/12.717634

28 October 2006 Fast star tracking technology in star sensor

Jie Jiang, Xiao Li, Guangjun Zhang, Xinguo Wei

Proceedings Volume 6358, Sixth International Symposium on Instrumentation and Control Technology: Sensors, Automatic Measurement, Control, and Computer Simulation; 63580A (2006) https://doi.org/10.1117/12.717634
Event: Sixth International Symposium on Instrumentation and Control Technology, 2006, Beijing, China

Abstract

A fast star tracking algorithm is proposed. In order to speed up the star tracking, three techniques including star catalogue partition, threshold mapping and sorting & matching are designed for three time-consuming portions in tracking algorithm,. Star catalogue partition divides the celestial sphere into small partitions. Threshold mapping sets a threshold of stars tracked which reduces mapping times. Sorting and matching avoided matching between stars which have a long distance. The software and hardware performance of tracking algorithm are stimulated. Tracking effectiveness and the success rate under different position noises are tested in software stimulation. In hardware stimulation, the tracking speed in every step is tested.

Citation Download Citation

Jie Jiang, Xiao Li, Guangjun Zhang, and Xinguo Wei "Fast star tracking technology in star sensor", Proc. SPIE 6358, Sixth International Symposium on Instrumentation and Control Technology: Sensors, Automatic Measurement, Control, and Computer Simulation, 63580A (28 October 2006); https://doi.org/10.1117/12.717634

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