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Review on Sound-Based Industrial Predictive Maintenance: From Feature Engineering to Deep Learning
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Review on Sound-Based Industrial Predictive Maintenance: From Feature Engineering to Deep Learning
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Journal Article
Review on Sound-Based Industrial Predictive Maintenance: From Feature Engineering to Deep Learning
2025
Overview
Sound-based predictive maintenance (PdM) is a critical enabler for ensuring operational continuity and productivity in industrial systems. Due to the diversity of equipment types and the complexity of working environments, numerous feature engineering methods and anomaly diagnosis models have been developed based on sound signals. However, existing reviews focus more on the structures and results of the detection model, while neglecting the impact of the differences in feature engineering on subsequent detection models. Therefore, this paper aims to provide a comprehensive review of the state-of-the-art feature extraction methods based on sound signals. The judgment standards in the sound detection models are analyzed from empirical thresholding to machine learning and deep learning. The advantages and limitations of sound detection algorithms in varied equipment are elucidated through detailed examples and descriptions, providing a comprehensive understanding of performance and applicability. This review also provides a guide to the selection of feature extraction and detection methods for the predictive maintenance of equipment based on sound signals.
Publisher
MDPI AG
Subject
