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Ant Colony Optimization for Multi-Purpose Reservoir Operation

Kumar, Nagesh D and Reddy, Janga M (2006) Ant Colony Optimization for Multi-Purpose Reservoir Operation. In: Water Resources Management, 20 (6). pp. 879-898.

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Abstract

In this paper a metaheuristic technique called Ant Colony Optimization (ACO) is proposed to derive operating policies for a multi-purpose reservoir system. Most of the realworld problems often involve non-linear optimization in their solution with high dimensionality and large number of equality and inequality constraints. Often the conventional techniques fail to yield global optimal solutions. The recently proposed evolutionary algorithms are also facing problems, while solving large-scale problems. In this study, it is intended to test the usefulness of ACO in solving such type of problems. To formulate the ACO model for reservoir operation, the problem is approached by considering a finite time series of inflows, classifying the reservoir volume into several class intervals, and determining the reservoir release for each period with respect to a predefined optimality criterion. The ACO technique is applied to a case study of Hirakud reservoir, which is a multi-purpose reservoir system located in India. The multiple objectives comprise of minimizing flood risks, minimizing irrigation deficits and maximizing hydropower production in that order of priority. The developed model is applied for monthly operation, and consists of two models viz., for short-time horizon operation and for longtime horizon operation. To evaluate the performance of ACO, the developed models are also solved using real coded Genetic Algorithm (GA). The results of the two models indicate that ACO model performs better, in terms of higher annual power production, while satisfying irrigation demands and flood control restrictions, compared to those obtained by GA. Finally it is found that ACO model outperforms GA model, especially in the case of long-time horizon reservoir operation.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Springer Netherlands.
Keywords: Ant Colony Optimization;Genetic Algorithms;Reservoir operation;Hydropower;Irrigation;Flood control
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 21 Dec 2006
Last Modified: 19 Sep 2010 04:32
URI: http://eprints.iisc.ernet.in/id/eprint/8992

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