Antispin thrust allocation for marine vessels

Ruth, Eivind, Smogeli, Øyvind N., Perez, Tristan, & Sørensen, Asgeir J. (2009) Antispin thrust allocation for marine vessels. IEEE Transactions on Control Systems Technology, 17(6), pp. 1257-1269.

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In extreme weather conditions, thrusters on ships and rigs may be subject to severe thrust losses caused by ventilation and in-and-out-of-water events. When a thruster ventilates, air is sucked down from the surface and into the propeller. In more severe cases, parts of or even the whole propeller can be out of the water. These losses vary rapidly with time and cause increased wear and tear in addition to reduced thruster performance. In this paper, a thrust allocation strategy is proposed to reduce the effects of thrust losses and to reduce the possibility of multiple ventilation events. This thrust allocation strategy is named antispin thrust allocation, based on the analogous behavior of antispin wheel control of cars. The proposed thrust allocation strategy is important for improving the life span of the propulsion system and the accuracy of positioning for vessels conducting station keeping in terms of dynamic positioning or thruster-assisted position mooring. Application of this strategy can result in an increase of operational time and, thus, increased profitability. The performance of the proposed allocation strategy is demonstrated with experiments on a model ship.

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9 citations in Scopus
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6 citations in Web of Science®

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ID Code: 70702
Item Type: Journal Article
Refereed: Yes
Additional URLs:
Keywords: Allocation, Antispin, Control, Thruster control
DOI: 10.1109/TCST.2008.2006187
ISSN: 1558-0865
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: © 2009 Institute of Electrical and Electronics Engineers
Deposited On: 30 Apr 2014 23:14
Last Modified: 30 May 2014 04:25

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