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Multi-objective optimization based reverse strategy with differential evolution algorithm for constrained optimization problems
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DOI：10.1016/j.eswa.2015.03.016.png)
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Abstract
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Solving constrained optimization problems (COPs) has been gathering attention from many researchers. In this paper, we defined the best fitness value among feasible solutions in current population as gbest. Then, we converted the original COPs to multi-objective optimization problems (MOPs) with one constraint. The constraint set the function value f(x) should be less than or equal to gbest; the objectives are the constraints in COPs. A reverse comparison strategy based on multi-objective dominance concept is proposed. Compared with usual strategies, the innovation strategy cuts off the worse solutions with smaller fitness value regardless of its constraints violation. Differential evolution (DE) algorithm is used as a solver to search for the global optimum. The method is called multi-objective optimization based reverse strategy with differential evolution algorithm (MRS-DE). The experimental results demonstrate that MRS-DE can achieve better performance on 22 classical benchmark functions compared with several state-of-the-art algorithms. (C) 2015 Elsevier Ltd. All rights reserved,
Keywords:
Constrained optimization problems
Reverse model
Multi-objective optimization techniques
Differential evolution
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