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Tournament-based harmony search algorithm for non-convex economic load dispatch problem
Affiliation:1. Department of Information Technology, Al-Huson University College, Al-Balqa Applied University, P.O. Box 50, Al-Huson, Irbid, Jordan;2. Department of Computer Science, Al-Aqsa University, P.O. Box 4051, Gaza, Palestine;3. School of Computer Sciences, Universiti Sains Malaysia (USM), Pulau Pinang, Malaysia;4. Department of Computer Science, Faculty of Pure and Applied Sciences, Federal University Wukari, P. M. B. 1029, Wukari, Taraba State, Nigeria;1. Department of Management Science, Shenzhen University, Shenzhen, China;2. School of Management and Economics, Beijing Institute of Technology, Beijing, China;3. Center for Energy and Environmental Policy Research, Beijing Institute of Technology, Beijing, China;4. School of Computer Science, Shaanxi Normal University, Xi’an, China;5. Department of Computer Science and Engineering, Southern University of Science and Technology, Shenzhen, China;1. School of Electrical Engineering and Automation, Jiangsu Normal University, Xuzhou, Jiangsu 221116, PR China;2. Graduate School of Business and Law, RMIT University, 379-405 Russell St, Melbourne, VIC 3000, Australia;3. School of Computer Science & Technology, Jiangsu Normal University, Xuzhou, Jiangsu 221116, PR China;4. School of Information and Electrical Engineering, China University of Mining and Technology, Xuzhou 221116, China;5. School of Mechanical and Electric Engineering, Guangzhou University, Guangzhou, Guangdong 510006, PR China;1. UM Power Energy Dedicated Advanced Center (UMPEDAC), Level 4, Wisma R&D University of Malaya, Jalan Pantai Baharu, 59990 Kuala Lumpur, Malaysia;2. Renewable Energy Research Group, King Abdulaziz University, Jeddah 21589, Saudi Arabia;1. Department of Electrical and Electronics Engineering, Technology Faculty, Duzce University, Duzce, Turkey;2. Department of Electrical Engineering, Engineering Faculty, Kocaeli University, Kocaeli, Turkey;3. Department of Electrical and Electronics Engineering, Engineering Faculty, Karadeniz Technical University, 61080 Trabzon, Turkey
Abstract:This paper proposes a tournament-based harmony search (THS) algorithm for economic load dispatch (ELD) problem. The THS is an efficient modified version of the harmony search (HS) algorithm where the random selection process in the memory consideration operator is replaced by the tournament selection process to activate the natural selection of the survival-of-the-fittest principle and thus improve the convergence properties of HS. The performance THS is evaluated with ELD problem using five different test systems: 3-units generator system; two versions of 13-units generator system; 40-units generator system; and large-scaled 80-units generator system. The effect of tournament size (t) on the performance of THS is studied. A comparative evaluation between THS and other existing methods reported in the literature are carried out. The simulation results show that the THS algorithm is capable of achieving better quality solutions than many of the well-popular optimization methods.
Keywords:Economic load dispatch  Harmony search algorithm  Tournament selection  Power systems  Global optimization
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