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A Multi-phase Iterative Approach for Anomaly Detection and its Agnostic Evaluation

Abstract : Data generated by sets of sensors can be used to perform predictive maintenance on industrial systems. However, these sensors may suffer faults that corrupt the data. Because the knowledge of sensor faults is usually not available for training, it is necessary to develop an agnostic method to learn and detect these faults. According to these industrial requirements, the contribution of this paper is twofold: 1) an unsupervised method based on the successive application of specialized anomaly detection methods; 2) an agnostic evaluation method using a supervised model, where the data labels come from the unsupervised process. This approach is demonstrated on two public datasets and on a real industrial dataset.
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https://hal.laas.fr/hal-03089411
Contributor : Louise Travé-Massuyès <>
Submitted on : Monday, December 28, 2020 - 1:33:56 PM
Last modification on : Thursday, June 10, 2021 - 3:05:43 AM
Long-term archiving on: : Monday, March 29, 2021 - 6:42:30 PM

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Kévin Ducharlet, Louise Travé-Massuyès, Marie-Véronique Le Lann, Youssef Miloudi. A Multi-phase Iterative Approach for Anomaly Detection and its Agnostic Evaluation. 33rd International Conference on Industrial, Engineering and Other Applications of Applied Intelligent Systems IEA/AIE 2020, Sep 2020, Kitakyushu, Japan. pp.505-517, ⟨10.1007/978-3-030-55789-8_44⟩. ⟨hal-03089411⟩

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