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UKF based in-flight calibration of magnetometers and rate gyros for pico satellite attitude determination
Date
2012-05-01
Author
Söken, Halil Ersin
Hacızade, Cengiz
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In this paper an unscented Kalman filter based procedure for the bias estimation of both the magnetometers and the gyros carried onboard a pico satellite, is proposed. At the initial phase, biases of three orthogonally located magnetometers are estimated as well as the attitude and attitude rates of the satellite. During the initial period after the orbit injection, gyro measurements are accepted as bias free since the precise gyros are working accurately and the accumulated gyro biases are negligible. At the second phase estimated constant magnetometer bias components are taken into account and the algorithm is run for the estimation of the gyro biases that are cumulatively increased by time. As a result, six different bias terms for two different sensors are obtained in two stages, where attitude and attitude rates are estimated regularly. For both estimation phases of the procedure an unscented Kalman filter is used as the estimation algorithm. Copyright (C) 2011 John Wiley and Sons Asia Pte Ltd and Chinese Automatic Control Society
Subject Keywords
Control and Systems Engineering
URI
https://hdl.handle.net/11511/69768
Journal
ASIAN JOURNAL OF CONTROL
DOI
https://doi.org/10.1002/asjc.368
Collections
Department of Aerospace Engineering, Article
Citation Formats
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BibTeX
H. E. Söken and C. Hacızade, “UKF based in-flight calibration of magnetometers and rate gyros for pico satellite attitude determination,”
ASIAN JOURNAL OF CONTROL
, vol. 14, no. 3, pp. 707–715, 2012, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/69768.