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1. (WO2018029397) A METHOD AND A SYSTEM FOR OPTIMISING OPERATION OF A VESSEL

Pub. No.:    WO/2018/029397    International Application No.:    PCT/FI2017/050561
Publication Date: Fri Feb 16 00:59:59 CET 2018 International Filing Date: Thu Aug 03 01:59:59 CEST 2017
IPC: B63J 99/00
G01C 21/12
Applicants: ENIRAM OY
Inventors: ANTOLA, Matti
SOLONEN, Antti
PYÖRRE, Jussi
Title: A METHOD AND A SYSTEM FOR OPTIMISING OPERATION OF A VESSEL
Abstract:
Disclosed are a method and a virtual sensor system for determining the speed through water of a marine vessel. The method includes obtaining propeller revolutions per minute and at least one of torque at propeller, propulsion power, thrust and engine fuel flow, obtaining speed over ground of the vessel and using the obtained data and hydrodynamic modelling to determine the speed through water of the vessel.