4.6 Article

Data-Driven Fault Detection and Diagnosis: Challenges and Opportunities in Real-World Scenarios

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APPLIED SCIENCES-BASEL
卷 12, 期 18, 页码 -

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MDPI
DOI: 10.3390/app12189212

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predictive maintenance; industrial application; fault detection and diagnosis; novelty detection

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The digital innovation in recent decades has transformed maintenance strategies, with data-driven predictive maintenance receiving significant attention. However, practical issues hinder the implementation of predictive maintenance in manufacturing plants due to data availability, quantity, and completeness.
The pervasive digital innovation of the last decades has led to a remarkable transformation of maintenance strategies. The data collected from machinery and the extraction of valuable information through machine learning (ML) have assumed a crucial role. As a result, data-driven predictive maintenance (PdM) has received significant attention from academics and industries. However, practical issues are limiting the implementation of PdM in manufacturing plants. These issues are related to the availability, quantity, and completeness of the collected data, which do not contain all machinery health conditions, are often unprovided with the contextual information needed by ML models, and are huge in terms of gigabytes per minute. As an extension of previous work by the authors, this paper aims to validate the methodology for streaming fault and novelty detection that reduces the quantity of data to transfer and store, allows the automatic collection of contextual information, and recognizes novel system behaviors. Five distinct datasets are collected from the field, and results show that streaming and incremental clustering-based approaches are effective tools for obtaining labeled datasets and real-time feedback on the machinery's health condition.

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