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Open AccessArticle

Symmetry-Breaking for Airflow Control Optimization of an Oscillating-Water-Column System

Department of Automatic Control and Systems Engineering, Faculty of Engineering of Bilbao, Automatic Control Group (ACG), Institute of Research and Development of Processes (IIDP), University of the Basque Country (UPV/EHU), Po Rafael Moreno no3, 48013 Bilbao, Spain
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Symmetry 2020, 12(6), 895; https://doi.org/10.3390/sym12060895
Received: 21 April 2020 / Revised: 5 May 2020 / Accepted: 9 May 2020 / Published: 1 June 2020
(This article belongs to the Special Issue Symmetry in Nonlinear Studies)
Global optimization problems are mostly solved using search methods. Therefore, decreasing the search space can increase the efficiency of their solving. A widely exploited technique to reduce the search space is symmetry-breaking, which helps impose constraints on breaking existing symmetries. The present article deals with the airflow control optimization problem in an oscillating-water-column using the Particle Swarm Optimization (PSO). In an effort to ameliorate the efficiency of the PSO search, a symmetry-breaking technique has been implemented. The results of optimization showed that shrinking the search space helped to reduce the search time and ameliorate the efficiency of the PSO algorithm. View Full-Text
Keywords: airflow control; optimization; oscillating water column (OWC); power generation; stalling behavior; symmetry-breaking; wave energy; wells turbine airflow control; optimization; oscillating water column (OWC); power generation; stalling behavior; symmetry-breaking; wave energy; wells turbine
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MDPI and ACS Style

M’zoughi, F.; Garrido, I.; Garrido, A.J. Symmetry-Breaking for Airflow Control Optimization of an Oscillating-Water-Column System. Symmetry 2020, 12, 895. https://doi.org/10.3390/sym12060895

AMA Style

M’zoughi F, Garrido I, Garrido AJ. Symmetry-Breaking for Airflow Control Optimization of an Oscillating-Water-Column System. Symmetry. 2020; 12(6):895. https://doi.org/10.3390/sym12060895

Chicago/Turabian Style

M’zoughi, Fares; Garrido, Izaskun; Garrido, Aitor J. 2020. "Symmetry-Breaking for Airflow Control Optimization of an Oscillating-Water-Column System" Symmetry 12, no. 6: 895. https://doi.org/10.3390/sym12060895

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