NDLI: Research on the Algorithm of On-Orbit Calibration Based on Gyro/Star-Sensor

Content Provider	IEEE Xplore Digital Library
Author	Peng Wang Ying-Chun Zhang Wen-Yi Qiang
Copyright Year	2006
Description	Author affiliation: Res. Center of Satellite Technol., Harbin Inst. of Technol. (Peng Wang; Ying-Chun Zhang; Wen-Yi Qiang)
Abstract	In order to control satellites maneuver accurately from one attitude to another, onboard rate sensing gyro usually need be calibrated again after launch. A new on-orbit calibration algorithm is proposed to correct the drift errors of the gyro based on Star-Sensor in this paper. Firstly, the exact dynamic and kinematic models of the gyro are built by error analysis. Then the error model is linearized under reasonable condition, and the state equation of system is educed in detail. The information of attitude Modified Rodrigues Parameters measured by Star-Sensor in real time is used to calibrate the installation error and the calibration error based on the extended Kalman filter. The numerical simulation results show that the new method is effective practically to improve the navigation precision, longevity of gyro effectively and to provide better reliability and adaptability
Sponsorship	IEEE Syst., Man and Cybernetics Hebei Univ.
Starting Page	303
Ending Page	307
File Size	231726
Page Count	5
File Format	PDF
ISBN	1424400619
DOI	10.1109/ICMLC.2006.259028
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-08-13
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Calibration Computer errors Kinematics Equations Space technology Error analysis Vibration measurement Satellite navigation systems Angular velocity Attitude control Modified rodriguesparameters On-orbit calibration Linearize Extended Kalman filter
Content Type	Text
Resource Type	Article

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