Hashemzadeh Saadat, Marzieh (2024) Advanced Anomaly Detection and Quality Control in PCB Manufacturing. Masters thesis, Concordia University.
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Abstract
Printed Circuit Boards (PCBs) are essential in electronic devices, where even minor defects
can signifcantly impact products and the environment. Thus, rigorous quality control is imperative
in PCB manufacturing. This thesis tackles critical challenges by developing robust strategies for
defect detection and accurately predicting repair needs. It begins with an extensive background on
current fault detection and repair strategies. Central to this study is the use of advanced machine
learning (ML) and deep learning (DL) techniques to enhance the accuracy of the PCB labeling process, integrating data from Solder Paste Inspection (SPI) and Automatic Optical Inspection (AOI)
datasets. The research is structured into distinct phases, each addressing different aspects of the
PCB manufacturing process. The initial phase focuses on improving the prediction of human inspection labels using advanced ML and DL techniques, particularly addressing the challenges of
imbalanced datasets with synthetic data augmentation techniques like Synthetic Minority Oversampling Technique (SMOTE) and Conditional Tabular Generative Adversarial Network (CTGAN).
The subsequent phase expands ML algorithms to refne the process of assigning ”RepairLabel” to
PCBs, incorporating ensemble methods and sophisticated feature engineering to boost accuracy and
effciency. The proposed methods have shown promising results, demonstrating their substantial potential for real-world applications. The thesis concludes with a summary of fndings and discusses
the implications for PCB manufacturing. It also outlines potential directions for future research,
suggesting further enhancements in fault detection techniques and the development of more intelligent and effcient systems.
Divisions: | Concordia University > Gina Cody School of Engineering and Computer Science > Concordia Institute for Information Systems Engineering |
---|---|
Item Type: | Thesis (Masters) |
Authors: | Hashemzadeh Saadat, Marzieh |
Institution: | Concordia University |
Degree Name: | M.A. Sc. |
Program: | Quality Systems Engineering |
Date: | December 2024 |
Thesis Supervisor(s): | Naderkhani, Farnoosh |
Keywords: | PCB, Anomaly detection, GAN, Imbalance data, Feature Engineering |
ID Code: | 994905 |
Deposited By: | Marzieh Hashemzadeh Saadat |
Deposited On: | 17 Jun 2025 17:15 |
Last Modified: | 17 Jun 2025 17:15 |
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