4.1 Article

Multi-objective reservoir operation of the Ukai reservoir system using improved Jaya algorithm

Journal

WATER SUPPLY
Volume 22, Issue 2, Pages 2287-2310

Publisher

IWA PUBLISHING
DOI: 10.2166/ws.2021.374

Keywords

hydropower generation; irrigation; optimization; self-adaptive; water Resources

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This study introduced a self-adaptive multi-population Jaya algorithm (SAMP-JA) for extracting multi-purpose reservoir operation policies, which outperformed other algorithms in terms of convergence and achieving goals.
This paper introduces an effective and reliable approach based on multi population approach, namely self-adaptive multi-population Jaya algorithm (SAMP-JA), to extract multi-purpose reservoir operation policies. The current research focused on two goals: minimizing irrigation deficits and maximizing hydropower generation. Three different models were formulated. The results are compared with ordinary Jaya algorithm (JA), particle swarm optimization (PSO), and Invasive weed optimization (IWO) algorithm. In Model-1, the minimum irrigation deficit was obtained by SAMP-JA and JA as 305092.99 (Mm(3))(2). SAMP-JA was better than JA, PSO and IWO in terms of convergence. In Model-2, the maximum hydropower generation was achieved by SAMP-JA, JA and PSO as 1723.50 MkWh. While comparing the average hydropower generation SAMP-JA and PSO performed better than JA and IWO. In terms of convergence, SAMP-JA was better than PSO. In Model-3, self-adaptive multi-population multi objective Jaya algorithm (SAMP-MOJA) was better than multi objective particle swarm optimization (MOPSO) and multi objective Jaya algorithm (MOJA) in terms of maximum hydropower generation, and MOPSO was better than SAMP-MOJA and MOJA in terms of minimum irrigation deficiency. While comparing convergence, SAMP-MOJA was found to be better than MOPSO and MOJA. Overall, SAMP-JA was found to be outperforming than JA, POS and IWO.

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