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This study evaluates streaming anomaly detection methods on real-world nuclear power plant data, demonstrating that online time-series models offer superior consistency compared to batch approaches when deployed without labeled anomalies. The findings highlight the practical robustness of ensembling strategies for unsupervised monitoring in critical industrial infrastructure.
What Streaming Anomaly Detection Finds (and Misses) in Industrial Time Series
arXiv:2609.39232v1 Announce Type: cross Abstract: EDF relies on continuous monitoring of its power plants to detect anomalies as soon as they occur. Given the absence of a universally optimal streaming method in unsupervised settings, we compare streaming methods with state-of-the-art TSAD models deployed online on a real nuclear power plant dataset. This work also evaluates Automated Anomaly Detection in a streaming context. Results show higher consistency for online TSAD and strong robustness from ensembling strategies.
Abstract:EDF relies on continuous monitoring of its power plants to detect anomalies as soon as they occur. Given the absence of a universally optimal streaming method in unsupervised settings, we compare streaming methods with state-of-the-art TSAD models deployed online on a real nuclear power plant dataset. This work also evaluates Automated Anomaly Detection in a streaming context. Results show higher consistency for online TSAD and strong robustness from ensembling strategies.
Machine Learning (cs.LG); Artificial Intelligence (cs.AI)
arXiv:2609.39232 [cs.LG]
(or arXiv:2609.39232v1 [cs.LG] for this version)
https://doi.org/10.48550/arXiv.2609.39232 Focus to learn more arXiv-issued DOI via DataCite (pending registration)
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