On-orbit calibration based on second-order nonlinear filtering

被引：4

作者：

Li, Hui ^{[1
]}

Sun, Zhao-Wei ^{[1
]}

Chen, Xue-Qin ^{[1
]}

Geng, Yun-Hai ^{[1
]}

机构：

[1] Harbin Inst Technol, Res Ctr Satellite Technol, Harbin 150080, Peoples R China

来源：

PROCEEDINGS OF 2008 INTERNATIONAL CONFERENCE ON MACHINE LEARNING AND CYBERNETICS, VOLS 1-7 | 2008年

关键词：

on-orbit calibration; gyro; star sensor; satellite attitude;

D O I：

10.1109/ICMLC.2008.4620916

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents a real-time on-orbit calibration algorithm for gyros and star sensor with second-order nonlinear filtering to meet the high accuracy of satellite three-axis attitude determination. A model of gyros misalignment, scale factor error and drift is constructed by considering the error sources during satellite attitude measure. Compared with the other calibration algorithms, this algorithm provides more attitude information for satellite attitude determination and correction and makes sure the long-term on-orbit working precision of attitude sensors. Finally, a simulation is carried out with the data from the on-orbit satellite "TS-1" of Harbin Institute of Technology (HIT). The results are identical with the actual results and indicate the availability and feasibility of the on-orbit calibration algorithm.

引用

页码：2970 / 2975

页数：6

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