Optimal reservoir operation using multi-objective evolutionary algorithm

doi:10.1007/s11269-005-9011-1

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Optimal reservoir operation using multi-objective evolutionary algorithm

2006-06-15

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M. Janga Reddy

D. Nagesh Kumar *

DOI：10.1007/s11269-005-9011-1

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Abstract

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This paper presents a Multi-objective Evolutionary Algorithm (MOEA) to derive a set of optimal operation policies for a multipurpose reservoir system. One of the main goals in multi-objective optimization is to find a set of well distributed optimal solutions along the Pareto front. Classical optimization methods often fail in attaining a good Pareto front. To overcome the drawbacks faced by the classical methods for Multi-objective Optimization Problems (MOOP), this study employs a population based search evolutionary algorithm namely Multi-objective Genetic Algorithm (MOGA) to generate a Pareto optimal set. The MOGA approach is applied to a realistic reservoir system, namely Bhadra Reservoir system, in India. The reservoir serves multiple purposes irrigation, hydropower generation and downstream water quality requirements. The results obtained using the proposed evolutionary algorithm is able to offer many alternative policies for the reservoir operator, giving flexibility to choose the best out of them. This study demonstrates the usefulness of MOGA for a real life multi-objective optimization problem.

Keywords:

multi-objective optimization

Genetic Algorithms

reservoir operation

Pareto front

irrigation

hydropower

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