A data-driven approach for linear and nonlinear damage detection using variational mode decomposition and GARCH model
Article
Gharehbaghi, Vahid Reza, Kalbkhani, Hashem, Farsangi, Ehsan Noroozinejad, Yang, T. Y. and Mirjalili, Seyedali. 2023. "A data-driven approach for linear and nonlinear damage detection using variational mode decomposition and GARCH model." Engineering with Computers: an international journal for simulation-based engineering. 39 (3), pp. 2017-2034. https://doi.org/10.1007/s00366-021-01568-4
Article Title | A data-driven approach for linear and nonlinear damage detection using variational mode decomposition and GARCH model |
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ERA Journal ID | 200430 |
Article Category | Article |
Authors | Gharehbaghi, Vahid Reza, Kalbkhani, Hashem, Farsangi, Ehsan Noroozinejad, Yang, T. Y. and Mirjalili, Seyedali |
Journal Title | Engineering with Computers: an international journal for simulation-based engineering |
Journal Citation | 39 (3), pp. 2017-2034 |
Number of Pages | 18 |
Year | 2023 |
Place of Publication | United Kingdom |
ISSN | 0177-0667 |
1435-5663 | |
Digital Object Identifier (DOI) | https://doi.org/10.1007/s00366-021-01568-4 |
Web Address (URL) | https://link.springer.com/article/10.1007/s00366-021-01568-4 |
Abstract | In this article, an original data-driven approach is proposed to detect both linear and nonlinear damage in structures using output-only responses. The method deploys variational mode decomposition (VMD) and generalized autoregressive conditional heteroscedasticity (GARCH) model for signal processing and feature extraction. To this end, VMD decomposes the response signals that are first decomposed to intrinsic mode functions (IMFs), and then, GARCH model is utilized to represent the statistics of IMFs. The model coefficients’ of IMFs construct the primary feature vector. Kernel-based principal component analysis (PCA) and linear discriminant analysis (LDA) are utilized to reduce the redundancy from the primary features by mapping them to the new feature space. The informative features are then fed separately into three supervised classifiers: support vector machine (SVM), k-nearest neighbor (kNN), and fine tree. The performance of the proposed method is evaluated on two experimental scaled models in terms of linear and nonlinear damage assessment. Kurtosis and ARCH tests proved the compatibility of GARCH model. The results demonstrate that the proposed technique reaches the accuracy of 100% and 98.82% in classifying linear and nonlinear damage, respectively. Also, its accuracy is higher than 80% in the presence of noise with a signal-to-noise ratio (SNR) of more than 10 dB. |
Keywords | Data-driven SHM; Variational mode decomposition (VMD); GARCH model; Linear and nonlinear damage |
ANZSRC Field of Research 2020 | 400510. Structural engineering |
Public Notes | File reproduced in accordance with the copyright policy of the publisher/author. |
Byline Affiliations | School of Engineering |
Urmia University of Technology, Iran | |
Graduate University of Advanced Technology, Iran | |
University of British Columbia, Canada | |
Torrens University | |
Yonsei University, Korea |
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