|Water Science and Engineering 2019, 12(3) 205-212 DOI: https://doi.org/10.1016/j.wse.2019.09.006 ISSN: 1674-2370 CN: 32-1785/TV|
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An intelligent singular value diagnostic method for concrete dam deformation monitoring
Jie Yang a, Xu-dong Qu a, *, Meng Chang b
a Institute of Water Resources and Hydro-electric Engineering, Xi’an University of Technology, Xi’an 710048, China
Extracting implicit anomaly information through deformation monitoring data mining is highly significant to determining dam safety status. As an intelligent singular value diagnostic method for concrete dam deformation monitoring, shallow neural network models result in local optima and overfitting, and require manual feature extraction. To obtain an intelligent singular value diagnosis model that can be used for dam safety monitoring, a convolutional neural network (CNN) model that has advantages of deep learning (DL), such as automatic feature extraction, good model fitting, and strong generalizability, was trained in this study. An engineering example shows that the predicted result of the intelligent singular value diagnostic method based on CNN is highly compatible with the confusion matrix, with a precision of 92.41%, receiver operating characteristic (ROC) curve coordinates of (0.03, 0.97), an area-under-curve (AUC) value of 0.99, and an F1-score of 0.91. Moreover, the performance of the CNN model is better than those of models based on decision tree (DT) and k-nearest neighbor (KNN) methods. Therefore, the intelligent singular value diagnostic method based on CNN is simple to operate, highly intelligent, and highly reliable, and it has a high potential for application in engineering.
|Keywords： Singular value diagnosis Convolutional neural network Artificial intelligence Deformation monitoring Concrete dam|
|Received 2018-10-30 Revised 2019-08-22 Online: 2019-09-30|
This work was supported by the National Natural Science Foundation of China (Grant No. 51579207), the Open Foundation of State Key Laboratory Base of Eco-Hydraulic Engineering in Arid Area (Grant No. 2016ZZKT-8), and the Key Projects of Natural Science Basic Research Program of Shaanxi Province (Grant No. 2018JZ5010).
|Corresponding Authors: Xu-dong Qu|
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|1．Fei LENG*1, 2, Gao LIN1.Application of thermodynamics-based rate-dependent constitutive models of concrete in the seismic analysis of concrete dams[J]. Water Science and Engineering, 2008,1(3): 54-64|
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