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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Soken, H.E. Sakai, S. |
| Copyright Year | 2011 |
| Description | Author affiliation: Department of Space and Astronautical Science, The Graduate University for Advanced Studies (SOKENDAI), Sagamihara, 252-5210, Japan (Soken, H.E.) || Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara, 252-5210, Japan (Sakai, S.) |
| Abstract | In this study an unscented Kalman filter (UKF) based magnetometer and gyro bias estimation algorithm is presented as a part of the attitude determination procedure for a small satellite, which has three magnetometers and three gyros as measurement sensors. Differently from the existing studies both magnetometer and gyro biases are estimated as well as the attitude parameters. Kinematics of the satellite is modeled via using quaternion parameterization. In order to enable estimation of all parameters simultaneously without a high computational cost, two methods known in advance are used. First, quaternion based modeling constraint that is met because of the unit norm of quaternion is overrun by enforcing constraint as a dummy measurement through the measurement model, instead of employing three-element error quaternion state as attitude representation. Second, in filter formulations gyro-based model is used for attitude propagation. Validity of the proposed method is confirmed by simulations. |
| Starting Page | 1891 |
| Ending Page | 1896 |
| File Size | 647893 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781457708350 |
| ISSN | 20937121 |
| e-ISBN | 9788993215038 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-10-26 |
| Publisher Place | Korea (South) |
| Access Restriction | Subscribed |
| Rights Holder | ICROS |
| Subject Keyword | Satellites Magnetometers Magnetic separation Quaternions Estimation magnetometer bias attitude estimation Unscented Kalman Filter Extraterrestrial measurements Vectors gyro |
| Content Type | Text |
| Resource Type | Article |
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