Multi-objective Cultured Differential Evolution for Generating Optimal Trade-offs in Reservoir Flood Control Operation

Hui Qin, Jianzhong Zhou (), Youlin Lu, Yinghai Li and Yongchuan Zhang

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2010, vol. 24, issue 11, 2632 pages

Abstract: Reservoir flood control operation (RFCO) is a complex problem because it needs to consider multiple objectives and a large number of constraints. Traditional methods usually convert multiple objectives into a single objective to solve, using weighted methods or constrained methods. In this paper, a new approach named multi-objective cultured differential evolution (MOCDE) is proposed to deal with RFCO. MOCDE takes cultural algorithm as its framework and adopts differential evolution (DE) in its population space. Considering the features of DE and multi-objective optimization, three knowledge structures are defined in belief space to improve the searching efficiency of MOCDE. MOCDE is first tested on several benchmark problems and compared with some well known multi-objective optimization algorithms. On achieving satisfactory performance for test problems, MOCDE is applied to a case study of RFCO. It is found that MOCDE provides decision makers many alternative non-dominated schemes with uniform coverage and convergence to true Pareto optimal solutions in a short time. The results obtained show that MOCDE can be a viable alternative for generating optimal trade-offs in reservoir multi-objective flood control operation. Copyright Springer Science+Business Media B.V. 2010

Keywords: Reservoir flood control operation; Multi-objective optimization; Cultural algorithm; Differential evolution; Knowledge structure; Adaptive Cauchy mutation (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (20)

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DOI: 10.1007/s11269-009-9570-7

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