期刊
METROLOGY AND MEASUREMENT SYSTEMS
卷 24, 期 2, 页码 313-324出版社
POLISH ACAD SCIENCES
DOI: 10.1515/mms-2017-0023
关键词
attitude determination; single-frame methods; algebraic method; covariance analysis; vector observation
资金
- TUBITAK (The Scientific and Technological Research Council of Turkey) [113E595]
Single-frame methods of determining the attitude of a nanosatellite are compared in this study. The methods selected for comparison are: Single Value Decomposition (SVD), q method, Quaternion ESTimator (QUEST), Fast Optimal Attitude Matrix (FOAM) - all solving optimally the Wahba's problem, and the algebraic method using only two vector measurements. For proper comparison, two sensors are chosen for the vector observations on-board: magnetometer and Sun sensors. Covariance results obtained as a result of using those methods have a critical importance for a non-traditional attitude estimation approach; therefore, the variance calculations are also presented. The examined methods are compared with respect to their root mean square (RMS) error and variance results. Also, some recommendations are given.
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