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Gyroscope On-orbit Calibrating Method Based on Square-root Filter
Received date: 2011-12-04
Online published: 2025-05-29
This paper studied the problem in the gyroscope on-orbit calibration. The method of the star sensor was presented in the gyroscope on-orbit calibration. Theattitude output was used to estimate the error coefficient of the gyroscope and the error coefficient was taken as the attitude parameter. According to the system error equation, the state equation and the measurement equation were structured for filter estimation. The calibration algorithm was derived according to the square-root filter. The simulation results indicate that under the appropriate maneuver conditions the presented on-orbit calibration is capable of calibrating the gyroscope error coefficient.
Key words： gyroscope; error coefficient; on-orbit calibration; square-root filter
DANG Jianjun , LUO Jianjun , WAN Yanhui . Gyroscope On-orbit Calibrating Method Based on Square-root Filter[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2012 , 32(3) : 193 -196 . DOI: 10.15892/j.cnki.djzdxb.2012.03.030
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