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Open AccessArticle

Hybrid Neural Fuzzy Design-Based Rotational Speed Control of a Tidal Stream Generator Plant

1
Laboratory of Research in Automatic Control—LA.R.A, National Engineering School of Tunis (ENIT), University of Tunis El Manar, BP 37, Le Belvédère, 1002 Tunis, Tunisia
2
Automatic Control Group—ACG, Department of Automatic Control and Systems Engineering, Engineering School of Bilbao, University of the Basque Country, 48012 Bilbao, Spain
*
Author to whom correspondence should be addressed.
Sustainability 2018, 10(10), 3746; https://doi.org/10.3390/su10103746
Received: 20 August 2018 / Revised: 8 October 2018 / Accepted: 12 October 2018 / Published: 17 October 2018
(This article belongs to the Special Issue Sustainable Energy Systems: From Primary to End-Use)
Artificial Intelligence techniques have shown outstanding results for solving many tasks in a wide variety of research areas. Its excellent capabilities for the purpose of robust pattern recognition which make them suitable for many complex renewable energy systems. In this context, the Simulation of Tidal Turbine in a Digital Environment seeks to make the tidal turbines competitive by driving up the extracted power associated with an adequate control. An increment in power extraction can only be archived by improved understanding of the behaviors of key components of the turbine power-train (blades, pitch-control, bearings, seals, gearboxes, generators and power-electronics). Whilst many of these components are used in wind turbines, the loading regime for a tidal turbine is quite different. This article presents a novel hybrid Neural Fuzzy design to control turbine power-trains with the objective of accurately deriving and improving the generated power. In addition, the proposed control scheme constitutes a basis for optimizing the turbine control approaches to maximize the output power production. Two study cases based on two realistic tidal sites are presented to test these control strategies. The simulation results prove the effectiveness of the investigated schemes, which present an improved power extraction capability and an effective reference tracking against disturbance. View Full-Text
Keywords: fuzzy logic control; artificial neural networks control; tidal stream generator; swell effect disturbance; doubly fed induction generator; maximum power point tracking fuzzy logic control; artificial neural networks control; tidal stream generator; swell effect disturbance; doubly fed induction generator; maximum power point tracking
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Ghefiri, K.; Garrido, I.; Bouallègue, S.; Haggège, J.; Garrido, A.J. Hybrid Neural Fuzzy Design-Based Rotational Speed Control of a Tidal Stream Generator Plant. Sustainability 2018, 10, 3746.

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