Importance Sampling and Feature Fusion Paradigm-Boosted Multi-Modal Convolutional Neural Networks: Deployment in Composite Curing Process Monitored by Electro-Mechanical Impedance

The increasing application of composite materials in various industrial sectors is driven by their lightweight nature, high strength-to-stiffness ratio, and corrosion resistance. Effective monitoring of the curing process is crucial for ensuring quality and performance. Electro-Mechanical Impedance...

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Vydáno v:IEEE access Ročník 13; s. 1
Hlavní autoři: Gao, Zeyuan, Zhao, Xin, Li, Meng, Han, Zhibin, Zhu, Jianjian
Médium: Journal Article
Jazyk:angličtina
Vydáno: Piscataway IEEE 01.01.2025
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Algorithms
Artificial neural networks
Complexity
Composite curing
Composite materials
Convolutional neural networks
Corrosion resistance
Curing
Data models
electro-mechanical impedance
Electromagnetic interference
Feature extraction
Heterogeneity
Impedance
Importance sampling
Importance sampling algorithm
Mechanical impedance
Monitoring
Monte Carlo methods
multi-modal learning
Neural networks
Proposals
Real time
Training
ISSN:2169-3536, 2169-3536
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Shrnutí:The increasing application of composite materials in various industrial sectors is driven by their lightweight nature, high strength-to-stiffness ratio, and corrosion resistance. Effective monitoring of the curing process is crucial for ensuring quality and performance. Electro-Mechanical Impedance (EMI) offers promising, non-destructive, real-time monitoring, but the complexity of EMI signals poses challenges. Convolutional Neural Networks (CNNs) have the potential to enhance EMI-based monitoring accuracy. However, training CNNs on multi-modal EMI signals requires addressing data heterogeneity, class imbalance, and computational complexity at present. This study develops the Importance Sampling Algorithm-optimized Multi-Modal CNNs (ISA-MM-CNNs) paradigm for EMI-based evaluation of composite curing processes. By prioritizing informative samples and capturing complementary information from diverse EMI signal modalities, we aim to improve the robustness and efficiency of CNNs in evaluating curing degrees. This study outlines EMI monitoring challenges, details the ISA-MM-CNNs paradigm, and discusses data preprocessing, network architecture, and training optimization. Experimental results demonstrate the superiority of the developed ISA-MM-CNNs and suggest further studies for the curing monitoring of composites.
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ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2025.3551508