Nonlinear roll damping coefficients and natural frequency estimation via augmented extended Kalman filtering for floating body

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dc.contributor.authorÖzdemir, Yavuz Hakan
dc.date.accessioned2025-01-27T21:01:28Z
dc.date.available2025-01-27T21:01:28Z
dc.date.issued2024
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThe nonlinear roll damping coefficients and natural frequency of a floating body are discussed in this article using an augmented Extended Kalman Filtering (EKF) method. This paper presents a non-linear model-based observer for the combined estimation of free roll decay motion states and damping coefficients. The identification framework uses an improved extended Kalman filter (EKF) to deal with model parameter variability and noisy measurement input. The estimated error was compared to the theoretical results obtained from the covariance matrix for filtering correctness. It is found that the nonlinear damping coefficients and natural frequency obtained from the EKF approach are a more realistic representation of the roll dynamics from the general estimation procedure given by the literature. The proposed method also has the built-in capability to remove random noise from the measured roll. The influence of noise levels in the measurements on the identification accuracy was investigated and discussed.
dc.identifier.doi10.1080/17445302.2024.2324244
dc.identifier.issn1744-5302
dc.identifier.issn1754-212X
dc.identifier.scopus2-s2.0-85186896982
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1080/17445302.2024.2324244
dc.identifier.urihttps://hdl.handle.net/20.500.12428/27047
dc.identifier.wosWOS:001177990700001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherTaylor & Francis Ltd
dc.relation.ispartofShips and Offshore Structures
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectExtended Kalman filter
dc.subjectnonlinear system identification
dc.subjectnonlinear roll damping and handling
dc.subjectparameter estimation
dc.titleNonlinear roll damping coefficients and natural frequency estimation via augmented extended Kalman filtering for floating body
dc.typeArticle

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