Journal
ENGINEERING OPTIMIZATION
Volume 40, Issue 7, Pages 655-668Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/03052150802010607
Keywords
particle swarm optimization; water distribution networks; optimal design; evolutionary algorithm
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The design of water distribution networks (WDNs) is addressed by using a variant of the particle swarm optimization (PSO) algorithm. This variant, which makes use of a discrete version of PSO already considered by the authors, overcomes one of the PSO's main drawbacks, namely its difficulty in maintaining acceptable levels of population diversity and in balancing local and global searches. The performance of the variant proposed here is investigated by applying the model to solve two standard benchmark problems: the Hanoi new water distribution network and the New York Tunnel water supply system. The results obtained show considerable improvements in both convergence characteristics and the quality of the final solutions, and near-optimal results are consistently achieved at reduced computational cost.
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