A Fast Identification Method for Seismic Responses of Bridge Structures by Integrating Digital Signal Features and Deep Learning

A method of bridge structure seismic response identification combining signal processing technology and deep learning technology is proposed. The short-time energy method is used to intelligently extract the non-smooth segments in the sensor acquired signals, and the short-time Fourier transform, co...

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Main Authors: Zhaoxu Lv, Youliang Ding, Junxiao Guo
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/25/2/399
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author Zhaoxu Lv
Youliang Ding
Junxiao Guo
author_facet Zhaoxu Lv
Youliang Ding
Junxiao Guo
author_sort Zhaoxu Lv
collection DOAJ
description A method of bridge structure seismic response identification combining signal processing technology and deep learning technology is proposed. The short-time energy method is used to intelligently extract the non-smooth segments in the sensor acquired signals, and the short-time Fourier transform, continuous wavelet transform, and Meier frequency cestrum coefficients are used to analyze the spectrum of the non-smooth segments of the response of the bridge structure, and the response feature matrix is extracted and used to classify sequences or images in the LSTM network and the Resnet50 network. The results show that the signal processing techniques can effectively extract the structural response features and reduce the overfitting phenomenon of neural networks, and the combination of signal processing techniques and deep learning techniques can recognize the seismic response of bridge structures with high accuracy and efficiency.
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institution Kabale University
issn 1424-8220
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publishDate 2025-01-01
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record_format Article
series Sensors
spelling doaj-art-fd7b059c3abc4b66bd1e96bf3b317b722025-01-24T13:48:47ZengMDPI AGSensors1424-82202025-01-0125239910.3390/s25020399A Fast Identification Method for Seismic Responses of Bridge Structures by Integrating Digital Signal Features and Deep LearningZhaoxu Lv0Youliang Ding1Junxiao Guo2Jiangsu Xiandai Road & Bridge Co., Ltd., Nanjing 210018, ChinaKey Laboratory of Concrete and Pre-Stressed Concrete Structures of the Ministry of Education, Southeast University, Nanjing 210096, ChinaKey Laboratory of Concrete and Pre-Stressed Concrete Structures of the Ministry of Education, Southeast University, Nanjing 210096, ChinaA method of bridge structure seismic response identification combining signal processing technology and deep learning technology is proposed. The short-time energy method is used to intelligently extract the non-smooth segments in the sensor acquired signals, and the short-time Fourier transform, continuous wavelet transform, and Meier frequency cestrum coefficients are used to analyze the spectrum of the non-smooth segments of the response of the bridge structure, and the response feature matrix is extracted and used to classify sequences or images in the LSTM network and the Resnet50 network. The results show that the signal processing techniques can effectively extract the structural response features and reduce the overfitting phenomenon of neural networks, and the combination of signal processing techniques and deep learning techniques can recognize the seismic response of bridge structures with high accuracy and efficiency.https://www.mdpi.com/1424-8220/25/2/399bridge structuresseismic identificationsignal processingdeep learning
spellingShingle Zhaoxu Lv
Youliang Ding
Junxiao Guo
A Fast Identification Method for Seismic Responses of Bridge Structures by Integrating Digital Signal Features and Deep Learning
Sensors
bridge structures
seismic identification
signal processing
deep learning
title A Fast Identification Method for Seismic Responses of Bridge Structures by Integrating Digital Signal Features and Deep Learning
title_full A Fast Identification Method for Seismic Responses of Bridge Structures by Integrating Digital Signal Features and Deep Learning
title_fullStr A Fast Identification Method for Seismic Responses of Bridge Structures by Integrating Digital Signal Features and Deep Learning
title_full_unstemmed A Fast Identification Method for Seismic Responses of Bridge Structures by Integrating Digital Signal Features and Deep Learning
title_short A Fast Identification Method for Seismic Responses of Bridge Structures by Integrating Digital Signal Features and Deep Learning
title_sort fast identification method for seismic responses of bridge structures by integrating digital signal features and deep learning
topic bridge structures
seismic identification
signal processing
deep learning
url https://www.mdpi.com/1424-8220/25/2/399
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