Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/101725
Title: Solving water quality management problem through combined genetic algorithm and fuzzy simulation
Authors: Xu, T. Y.
Qin, Xiaosheng
Keywords: DRNTU::Engineering::Environmental engineering::Water treatment
Issue Date: 2013
Source: Xu, T. Y., & Qin X. S. (2013). Solving water quality management problem through combined genetic algorithm and fuzzy simulation. Journal of environmental informatics, 22(1), 39-48.
Series/Report no.: Journal of environmental informatics
Abstract: A combined genetic algorithm and fuzzy simulation approach (GAFSA) was developed through integrating fuzzy chance-constrained programming (FCCP) and genetic algorithm (GA) into a general optimization framework. The major advantage of GAFSA is that it could tackle generally-shaped fuzzy membership functions on both sides of the model constraints, rather than handle single special forms like triangular or trapezoidal. An agricultural water quality management problem that has been investigated by a number of previous studies was used to demonstrate the applicability of the proposed method. The results showed that GAFSA allowed violation of system constraints at specified possibilistic confidence levels, leading to model solutions with higher system benefits. A conservative planning scheme could bring a more reliable system, but would be less economically attractive. Conversely, planning towards a higher system benefit would lead to a higher risk of system failure. The proposed model could help agricultural water managers analyse the trade-off between the overall system benefit and the failure risk of environmental compliance. A comparison of GAFSA to FCCP was given, and the potential limitations of the proposed method were also discussed.
URI: https://hdl.handle.net/10356/101725
http://hdl.handle.net/10220/24079
DOI: 10.3808/jei.201300244
Rights: © 2013 International Society for Environmental Information Sciences. This paper was published in Journal of Environmental Informatics and is made available as an electronic reprint (preprint) with permission of International Society for Environmental Information Sciences. The paper can be found at the following official DOI: [http://dx.doi.org/10.3808/jei.201300244]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:CEE Journal Articles

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