A data-driven approach based on wavelet analysis and deep learning for identification of multiple-cracked beam structures under moving load

TQ Nguyen, LC Vuong, CM Le, NK Ngo… - Measurement, 2020 - Elsevier
This article aims to identify multiple cracks of a structure under the act of moving load by
using wavelet analysis based on displacement signal. Among many researches on this …

A review of structural health monitoring and damage detection using wavelet transform: The case study of damage detection in cantilever beams

O Rezaifar, M Gholhaki, M Khanahmadi… - Journal of Vibration and …, 2022 - jvs.isav.ir
Structures suffer local damages due to various reasons. If these damages are not identified,
they could be aggravated by natural disasters such as earthquakes or artificial factors such …

A data-driven approach to structural health monitoring of bridge structures based on the discrete model and FFT-deep learning

TQ Nguyen - Journal of Vibration Engineering & Technologies, 2021 - Springer
In this paper, we investigate changes in the mechanical properties of complex structures
using a combination of the discrete model, Fast Fourier Transform (FFT) analysis and deep …

Damage detection in beam structures using bayesian deep learning and balancing composite motion optimization

TQ Nguyen - Structures, 2022 - Elsevier
This research proposes a new indicator based on change in a vibration signal's probability
spectrum centre to assess structural change. It relies on the change of a central position of …

Dynamic investigation of FRP cracked beam using neural network technique

PC Jena, DR Parhi, G Pohit - Journal of Vibration Engineering & …, 2019 - Springer
Purpose In the present investigation, vibration signatures have been used for identifying the
place of crack and depth in pre-cracked FRP beams. Bidirectional (woven) FRP composite …

Non-probabilistic wavelet method to consider uncertainties in structural damage detection

M Abdulkareem, N Bakhary, M Vafaei, NM Noor… - Journal of Sound and …, 2018 - Elsevier
In vibration-based damage detection studies, researchers have shown that wavelet
transform (WT) is an effective tool for detecting damage. However, structural damage …

Dynamic study of composite cracked beam by changing the angle of bidirectional fibres

PC Jena, DR Parhi, G Pohit - Iranian Journal of Science and Technology …, 2016 - Springer
Composite beam type structures fail in the presence of cracks. While in use the crack depth
gradually increases, the structural stiffness decreases and as a result the beam becomes …

Time-frequency signal analysis in machinery fault diagnosis

KH Hui, LM Hee, MS Leong… - Advanced Materials …, 2014 - Trans Tech Publ
Growing demand of machines such as gas turbine, pump, and compressor in power
generation, aircraft, and other fields have yielded the transformation of machine …

Bearing fault online identification based on ANFIS

NT Truong, TI Seo, SD Nguyen - International Journal of Control …, 2021 - Springer
Effectiveness of online bearing status monitoring (OBSM) depends deeply on the online
data processing ability and the sensitivity of data features used to recognize the mechanical …

Algorithm for estimating online bearing fault upon the ability to extract meaningful information from big data of intelligent structures

QT Tran, SD Nguyen, TI Seo - IEEE Transactions on Industrial …, 2018 - ieeexplore.ieee.org
Bearing is an important machine detail that appears in almost all mechanical systems.
Estimating its operating condition online in order to hold the initiative in exploiting the …