Dynamically Expanding Choice-Table Approach to Genetic Algorithm Optimization of Water Distribution Systems
Publication: Journal of Water Resources Planning and Management
Volume 137, Issue 6
Abstract
This paper proposes a modified genetic algorithm (GA) for optimization of water distribution systems. A method of dynamically expanding the pipe-choice-table selections and reducing the number of decision variables is introduced, which occurs during a GA run. On the basis of the progressive selection, an initially reduced choice table for each decision variable is allowed to dynamically expand, and then the number of decision variables is gradually reduced. This process enables the GA search to concentrate on promising regions of the search space. The dynamically expanding choice-table genetic algorithm () has been applied to a benchmark case study, the New York Tunnels Problem. The results obtained show that the yields a superior performance in terms of solution quality and computational efficiency.
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Information
Published In
Journal of Water Resources Planning and Management
Volume 137 • Issue 6 • November 2011
Pages: 547 - 551
Copyright
© 2011 American Society of Civil Engineers.
History
Received: Jul 1, 2010
Accepted: Dec 27, 2010
Published online: Mar 14, 2011
Published in print: Nov 1, 2011
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