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dc.contributor.author강동훈-
dc.contributor.author장청재-
dc.contributor.author박종우-
dc.date.accessioned2021-06-09T04:21:48Z-
dc.date.available2021-06-09T04:21:48Z-
dc.date.issued2019-02-
dc.identifier.citationVOL 24, NO 1-360-
dc.identifier.issn1083-4435-
dc.identifier.other52394-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/69072-
dc.description.abstractWe present an unscented Kalman filtering algorithm for simultaneously estimating attitude and gyroscope bias from an inertial measurement unit (IMU). The algorithm is formulated as a discrete-time stochastic nonlinear filter, with state space given by the direct product matrix Lie group SO(3) × R3, and observations in SO(3) reconstructed from IMU measurements of gravity and the earth’s magnetic field. Computationally efficient implementations of our filter are made possible by formulating the state space dynamics and measurement equations in a way that leads to closed-form equations for covariance propagation and update. The resulting attitude estimates are invariant with respect to choice of fixed and moving reference frames. The performance advantages of our filter vis- `a-vis existing state-of-the-art IMU attitude estimation algorithms are validated via numerical and hardware experiments involving both synthetic and real data.-
dc.publisherIEEE/ASME transactions on mechatronics-
dc.subjectAttitude estimation-
dc.subjectgyroscope bias-
dc.subjectinertial measurement unit (IMU)-
dc.subjectunscented Kalman filter (UKF)-
dc.titleUnscented Kalman Filtering for Simultaneous Estimation of Attitude and Gyroscope Bias-
dc.typeArticle-
dc.relation.page350360-
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