Dynamic Model for Thrust Generation of Marine Propellers

Mogens Blanke, Karl-Petter Lindegaard, Thor I. Fossen

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Abstract

Mathematical models of propeller thrust and torque are traditionally based on steady state thrust and torque characteristics obtained in model basin or cavitation tunnel tests. Experimental results showed that these quasi steady state models do not accurately describe the transient phenomena in a thruster. A recently published dynamic model was based on the experimental observations. Describing zero advance speed conditions accurately, this model, however, does not work for a vessel at non- zero relative water speed. This paper derives a large signal dynamic model of propeller that includes the eects of transients in the ow over a wide range of operation. The results are essential for accurate thrust control in dynamic positioning and in underwater robotics.
Original languageEnglish
Title of host publicationManoeuvring and control of marine craft 2000 (MCMC 2000) : Proceedings volume from the 5th IFAC conference.
EditorsMogens Blanke, M.M.A. Pourzanjani, Z. Vukić
PublisherInternational Federation of Automatic Control
Publication date2000
Pages363-368
ISBN (Print)0080436595
Publication statusPublished - 2000
Event5th IFAC Conference on Manoeuvring and Control of Marine Craft - Aalborg, Denmark
Duration: 23 Aug 200025 Aug 2000

Conference

Conference5th IFAC Conference on Manoeuvring and Control of Marine Craft
CountryDenmark
CityAalborg
Period23/08/200025/08/2000

Keywords

  • Propellers
  • Thrusters
  • Dynamic positioning
  • Underwater robotics
  • Thrust control

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