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Abstract
The paper describes an adaptive control system of the waves, implemented in the Ship Design and Research Centre, CTO S.A. The purpose of generating the waves in the towing tank is the modelling of the environmental conditions during hydrodynamic model tests. The tests are performed on scale models of towed or free running ships, anchored structures like oil rigs or bottommounted structures, e.g. wind turbines. In the towing tank of CTO S.A., the waves are generated using a flap-type wavemaker with hydraulic drive. The adaptive control system includes gain scheduling and Black-Box model. It has been developed and implemented using the 32-bit embedded system and computer application (C#.NET). The Black-Box model was proposed as a simple solution allowing compensating the hydromechanical phenomena affecting the generated waves, i.e. disintegration, reflection, damping and nonlinear energy transfer. The solution proved to be sufficient to generate required wave spectra with expected accuracy in a user-friendly manner.
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- Category:
- Articles
- Type:
- artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
- Published in:
-
Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej
pages 37 - 42,
ISSN: 1425-5766 - Language:
- English
- Publication year:
- 2018
- Bibliographic description:
- Drzewiecki M.: CONTROL OF THE WAVES IN A TOWING TANK WITH THE USE OF A BLACK-BOX MODEL// Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej. -., iss. 59 (2018), s.37-42
- DOI:
- Digital Object Identifier (open in new tab) 10.32016/1.59.07
- Bibliography: test
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show (7) hide
- Cox G. G. et al., Report of the Seakeeping Committee, Proceedings of 17 th ITTC, 1984, Volume I, p. 482. open in new tab
- Iafrati A. et al., Report of the Specialist Committee on Modelling of Environmental Conditions, Proceedings of 28 th ITTC, September 2017, Volume II, Appendix A. open in new tab
- Stansberg C. T. et al., The Specialist Committee on Waves. Final Report and Recommendations to the 23 rd ITTC, Proceedings of 23 th ITTC, 2002, Volume II, Appendix A, pp. 545-547.
- Biésel F., Suquet F.: Les appareils générateurs de houle en laboratoire, La Houille Blanche, no. 2, 1951, pp. 161- 163. open in new tab
- Sulisz W., Hudspeth R. T.: Complete Second-Order Solution for Water Waves Generated in Wave Flumes, Journal of Fluids and Structures, Volume 7, Issue 3, April 1993, pp. 253-268. open in new tab
- Drzewiecki M.: The propagation of waves in the CTO S.A. towing tank, Twenty First International Conference on Hydrodynamics in Ship Design and Operation, HYDRONAV 2017, 28-29 June 2017. open in new tab
- Drzewiecki M.: Modelling, Simulation and Optimization of the Wavemaker in a Towing Tank, Trends in Advanced Intelligent Control, Optimization and Automation, Springer International Publishing AG, June 2017, pp. 570-579. open in new tab
- Sources of funding:
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- Fundusz Badań Własnych ośrodka badawczego CTO S.A.
- Verified by:
- Gdańsk University of Technology
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