| Issue |
MATEC Web of Conferences
Volume 51, 2016
2016 International Conference on Mechanical, Manufacturing, Modeling and Mechatronics (IC4M 2016)
|
|
|---|---|---|
| Article Number | 03008 | |
| Number of page(s) | 9 | |
| Section | Chapter 3: Experimental and Empirical Studies in Mechanical and Manufacturing Engineering | |
| DOI | https://doi.org/10.1051/matecconf/20165103008 | |
| Published online | 06 April 2016 | |
Micro-Satellite Attitude Determination with Only a Single Horizon Sensor
Academy of Opto-Electronics, Chinese Academy of Sciences, Beijing, China
a Corresponding author: ouyanggx@aoe.ac.cn
Through using measurement from only a single horizon sensor, this paper presented a quaternion-based 3-axis attitude determination method, which can be implemented on board micro-satellites and applied over a whole orbital period. Firstly, a description of attitude representation on the quaternion is given. Secondly, a detailed modeling formulation with nadir vector and measurement equations on attitude estimation system is demonstrated. Afterwards, a correction is made to eliminate the estimation error resulted from Earth’s oblateness, and able to further improve the accuracy of the attitude determination algorithm. Finally, a six degree-of-freedom closed-loop simulation is used to validate the accuracy of the attitude determination method given in this paper.
© Owned by the authors, published by EDP Sciences, 2016
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