Estimation of propeller torque in azimuth thrusters

Mikael Manngård, Wictor Lund, Joni Keski-Rahkonen, Juuso Nänimäinen, Ville-Pekka Saarela, Jerker Björkqvist, Hannu Toivonen

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Abstract

In this paper, the problem of estimating unknown propeller torque excitations and angular velocities in an azimuth-thruster driveline is considered. A dynamical model of the driveline has been derived and is used to construct a fixed-lag Kalman-filter-type smoother for estimating the propeller torque from indirect measurements. The proposed method has been validated in a simulation case study.

Original languageUndefined/Unknown
Pages (from-to)140–145
JournalIFAC-PapersOnLine
Volume52
Issue number21
DOIs
Publication statusPublished - 2019
MoE publication typeA1 Journal article-refereed

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