Star sensors of the Space Solar Telescope

Caihong Sun; Guoxiang Ai; Shengzheng Jin; Zheng Zhu; Ruiying Guo

doi:10.1117/12.402745

6 October 2000 Star sensors of the Space Solar Telescope

Caihong Sun, Guoxiang Ai, Shengzheng Jin, Zheng Zhu, Ruiying Guo

Proceedings Volume 4231, Advanced Optical Manufacturing and Testing Technology 2000; (2000) https://doi.org/10.1117/12.402745
Event: International Topical Symposium on Advanced Optical Manufacturing and Testing Technology, 2000, Chengdu, China

Abstract

The Space Solar Telescope (SST) is being developed in Beijing Astronomical Observatory. Two sets of star sensors are needed to fit the requirement of high accuracy attitude determination of SST. The Attitude Determination and Control System (ADCS) of SST is narrated in this paper. How to mount and use the Star Sensors on SST is introduced. The structure of the data handling system and the features such as the precision, field of view (FOV), mass and power consumption of the Star Sensor are given. To elevate accuracy affected by designing and manufacturing of optical lens, mechanical and electrical parts, a calibration correction should be applied. The development of algorithms based on 'triangle set' for the recognition of star patterns, especially the consideration of preventing SST from 'lost in space' is discussed too. The altitude of SST is calculated by the valid data of the Star Sensors and the Sun Guide Telescope. The test results shows that the Star Sensor researched and developed by us can be used not only for SST, but also for other satellites.

Citation Download Citation

Caihong Sun, Guoxiang Ai, Shengzheng Jin, Zheng Zhu, and Ruiying Guo "Star sensors of the Space Solar Telescope", Proc. SPIE 4231, Advanced Optical Manufacturing and Testing Technology 2000, (6 October 2000); https://doi.org/10.1117/12.402745

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