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Data-driven damage identification technique for steel truss railroad bridges utilizing principal component analysis of strain response
Riasat Azim,Mustafa Gül +1 more
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TLDR
The proposed damage detection framework for truss railway bridges based on operational strain responses could identify, locate and relatively assess the severity of the damage induced by stiffness change in instrumented truss elements.Abstract:
Railway bridges are a critical part of the railway infrastructure system and the majority of these bridges are approaching their expected design lifespan. These bridges need to be maintained effect...read more
Citations
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State-of-the-Art Review on Advancements of Data Mining in Structural Health Monitoring
Meisam Gordan,Saeed-Reza Sabbagh-Yazdi,Zubaidah Ismail,Kh. Ghaedi,Páraic Carroll,Daniel McCrum,Bijan Samali +6 more
TL;DR: In this article , a detailed review of data mining techniques for structural health monitoring (SHM) applications is presented, where a brief background, models, functions, and classification of DM techniques are presented.
Journal ArticleDOI
Bayesian Support Vector Regression for Reliability-Based Design Optimization
TL;DR: Solving reliability-based design optimization (RBDO) by combining surrogate models is a powerful tool to deal with the output variation induced by uncertainties during actual engineering design.
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A review of ultrasonic sensing and machine learning methods to monitor industrial processes.
TL;DR: In this article , the authors present a review of machine learning techniques in combination with ultrasonic measurements for in-line and on-line monitoring of industrial processes and other similar applications. But, their implementation requires expertise to extract and select appropriate features from the sensor measurements as model inputs, and find a suitable set of model hyperparameters.
Damage detection of railway bridges using operational vibration data: theory and experimental verifications
TL;DR: An experimental investigation on a vibration-based damage identification framework for a steel girder type and a truss bridge based on acceleration responses to operational loading using sensor clustering-based time-series analysis of the operational acceleration response of the bridge to the passage of a moving vehicle.
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The WASPAS and AHP optimization methods applied on vibro-diagnostic models for rotational machines
Xiaojian Yuan,Wenbing Wu +1 more
TL;DR: In this article, two decision-making methods were used for finding optimal vibro-diagnostic model (VDM) for rotational machines, i.e., weighted aggregated sum product assessment and analytic hierarchy process.
References
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ReportDOI
Damage identification and health monitoring of structural and mechanical systems from changes in their vibration characteristics: A literature review
TL;DR: A review of the technical literature concerning the detection, location, and characterization of structural damage via techniques that examine changes in measured structural vibration response is presented in this article, where the authors categorize the methods according to required measured data and analysis technique.
Journal ArticleDOI
Damage detection of truss bridge joints using Artificial Neural Networks
TL;DR: A method for estimating the damage intensities of joints for truss bridge structures using a back-propagation based neural network and the natural frequencies and mode shapes were used as input parameters for damage identification.
Journal ArticleDOI
Vibration based health monitoring for a lightweight truss structure: experimental assessment of several statistical time series methods
TL;DR: In this article, an experimental assessment of several vibration based statistical time series methods for Structural Health Monitoring (SHM) is presented via their application to a lightweight aluminum truss structure.
Journal ArticleDOI
Development of Distributed Long-gage Fiber Optic Sensing System for Structural Health Monitoring
Suzhen Li,Zhishen Wu +1 more
TL;DR: In this paper, a typical distributed fiber optic sensing system is developed by extending the gage length of fiber Bragg grating (FBG) and then arranging the long-gage FBG sensors in series.
Journal ArticleDOI
Theoretical and experimental study of modal strain analysis
TL;DR: In this article, the relationship between the strain mode and the displacement mode for vibrating elastic structures is derived based on the idea that when a structure is subjected to dynamic loading, its strain response can be expressed by the superposition of contributions from the natural strain modes.
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Damage detection framework for truss railway bridges utilizing statistical analysis of operational strain response
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