WSEAS Transactions on Circuits and Systems
Print ISSN: 1109-2734, E-ISSN: 2224-266X
Volume 12, 2013
Rank-Based Ant Colony Algorithm for a Thermal Generator Maintenance Scheduling Problem
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Abstract: The maintenance scheduling of thermal generators is a large-scale combinatorial optimization problem with constraints. In this paper we introduce the Rank-Based Ant System algorithm based version of the Ant System. This algorithm reinforces local search in neighborhood of the best solution found in each iteration while implementing methods to slow convergence and facilitate exploration.Rank-Based Ant System (RBAS) algorithm has been proved to be very effective in finding optimum solution to hard combinational optimization problems . To show its efficiency and effectiveness, the proposed Rank-Based Ant System algorithm is applied to a real-scale system, and further experimenting leads to results that are commented.
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Keywords: thermal generator maintenance scheduling problem, ant colony optimization, ant system, rank-based ant system algorithm