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http://dx.doi.org/10.5139/JKSAS.2010.38.3.243

Spacecraft Moment of Inertial Estimation by Modified Rodrigues Parameters  

Bang, Hyo-Choong (한국과학기술원 기계항공시스템학부)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.38, no.3, 2010 , pp. 243-248 More about this Journal
Abstract
This study addresses spacecraft moment of inertial estimation approach using Modified Rodrigues Parameters(MRP). The MRP offer advantage by avoiding singularity in Kalman Filter design for attitude determination caused by the norm constraint of quaternion parameters. Meanwhile, MRP may suffer singularity for large angular displacement, so that we designed appropriate reference attitude motion for accurate estimation. The proposed approach is expected to provide stable error covariance update with accurate spacecraft mass property estimation results.
Keywords
Modified Rodrigues Parameter(MRP); Extended Kalman Filter(EKF) Singularity; Error Covariance;
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