Quaternion Attitude Estimation Using Vector Observations


This paper contains a critical comparison of estimators minimizing Wahba’s loss function. Some new results are presented for the QUaternion ESTimator (QUEST) and EStimators of the Optimal Quaternion (ESOQ and ESOQ-2) to avoid the computational burden of sequential rotations in these algorithms. None of these methods is as robust in principle as Davenport’s… (More)


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