Journal
ADVANCES IN ENGINEERING SOFTWARE
Volume 65, Issue -, Pages 182-190Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.advengsoft.2013.06.019
Keywords
Dam; Modeling; Linear regression; Genetic algorithms; Adaptive system; Monitoring
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Funding
- Ministry of Science in Serbia [11141007, 01174028, TR37013]
- ARTreat project [FP7 ICT-2007-2-5.3 (224297)]
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Most of the existing methods for dam behavior modeling require a persistent set of input parameters. In real-world applications, failures of the measuring equipment can lead to a situation in which a selected model becomes unusable because of the volatility of the independent variables set. This paper presents an adaptive system for dam behavior modeling that is based on a multiple linear regression (MLR) model and is optimized for given conditions using genetic algorithms (GA). Throughout an evolutionary process, the system performs real-time adjustment of regressors in the MLR model according to currently active sensors. The performance of the proposed system has been evaluated in a case study of modeling the Bocac dam (at the Vrbas River located in the Republic of Srpska), whereby an MLR model of the dam displacements has been optimized for periods when the sensors were malfunctioning. Results of the analysis have shown that, under real-world circumstances, the proposed methodology outperforms traditional regression approaches. (C) 2013 Elsevier Ltd. All rights reserved.
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