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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Sikdar, Shirsendu
University of Huddersfield
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (29/29 displayed)
- 2023Autonomous Monitoring of Breathing Debonds in Bonded Composite Structures Using Nonlinear Ultrasonic Signals
- 2023Deep learning for automatic assessment of breathing-debonds in stiffened composite panels using non-linear guided wave signalscitations
- 2022Acoustic emission data based deep learning approach for classification and detection of damage-sources in a composite panelcitations
- 2022Multi step structural health monitoring approaches in debonding assessment in a sandwich honeycomb composite structure using ultrasonic guided wavescitations
- 2022Low-velocity impact source localization in a composite sandwich structure using a broadband piezoelectric sensor networkcitations
- 2022Electromechanical impedance based debond localisation in a composite sandwich structurecitations
- 2022Ultrasonic guided wave-based debond identification in a GFRP plate with L-stiffenercitations
- 2021Bag of visual words based machine learning framework for disbond characterisation in composite sandwich structures using guided wavescitations
- 2021Guided Wave Propagation and Breathing-Debond Localization in a Composite Structurecitations
- 2021Ultrasonic Guided Wave Signal Based Nondestructive Testing of a Bonded Composite Structure Using Piezoelectric Transducerscitations
- 2020Nonlinear elastic wave propagation and breathing-debond identification in a smart composite structurecitations
- 2019Guided wave based nondestructive analysis of localized inhomogeneity effects in an advanced sandwich composite structurecitations
- 2019Nondestructive analysis of core-junction and joint-debond effects in advanced composite structurecitations
- 2019Nondestructive analysis of debonds in a composite structure under variable temperature conditionscitations
- 2019Ultrasonic Lamb wave-based debonding monitoring of advanced honeycomb sandwich composite structurescitations
- 2019Effects of debonding on Lamb wave propagation in a bonded composite structure under variable temperature conditionscitations
- 2019Ultrasonic guided wave propagation in a repaired stiffened composite panelcitations
- 2019A generic framework for application of machine learning in acoustic emission-based damage identificationcitations
- 2019Damage-induced acoustic emission source monitoring in a honeycomb sandwich composite structurecitations
- 2019Multi-level nondestructive analysis of joint-debond effects in sandwich composite structurecitations
- 2018Damage-induced acoustic emission source identification in an advanced sandwich composite structurecitations
- 2018Online detection of barely visible low-speed impact damage in 3D-core sandwich composite structurecitations
- 2018Study of disbond effects in a jointed composite structure under variable ambient temperaturescitations
- 2016Identification of disbond and high density core region in a honeycomb composite sandwich structure using ultrasonic guided wavescitations
- 2016Guided wave propagation in a honeycomb composite sandwich structure in presence of a high density corecitations
- 2016Ultrasonic guided wave propagation and disbond identification in a honeycomb composite sandwich structure using bonded piezoelectric wafer transducerscitations
- 2016Study of guided wave propagation in a honeycomb composite sandwich plate in presence of a high-density core region using surface-bonded piezoelectric transducers
- 2014Wave Propagation in a Honeycomb Composite Sandwich Structure in the Presence of High-Density Core Using Bonded PZT-Sensorscitations
- 2013Detection of disbond in a honeycomb composite sandwich structure using ultrasonic guided waves and bonded PZT sensors
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article
Bag of visual words based machine learning framework for disbond characterisation in composite sandwich structures using guided waves
Abstract
<p>This paper presents a machine learning framework that uses the bag of visual words (BOVW) for structural health monitoring (SHM) of a composite sandwich structure (CSS) using ultrasonic guided wave (GW) signals. Towards this, experimental analysis of GW propagation in CSS has been carried out for the healthy-state and multiple skin-to-core disbond cases. The registered time-domain signals from the assigned piezoelectric transducer networks on the CSS are converted to time-frequency scalograms by performing a continuous wavelet transform. Eventually, a BOVW based machine learning framework is proposed that uses the speeded-up-robust features for the features extraction and support vector machine for classification of CSSs with and without skin-to-core disbond. The proposed machine learning framework shows its SHM potential to characterise the CSS for healthy and disbond conditions (different locations) with high validation and test accuracy for an unseen dataset. A series of parametric studies are also carried out to analyse the influence of different grid sizes and polynomial order for the proposed framework.</p>