An AI-Driven Approach to Wind Turbine Bearing Fault Diagnosis from Acoustic Signals

• URL: http://arxiv.org/abs/2403.09030v1
• Date: Thu, 14 Mar 2024 01:46:30 GMT
• Title: An AI-Driven Approach to Wind Turbine Bearing Fault Diagnosis from Acoustic Signals
• Authors: Zhao Wang, Xiaomeng Li, Na Li, Longlong Shu,
• Abstract summary: This study developed a deep learning model for the classification of bearing faults in wind turbine generators from acoustic signals. A convolutional LSTM model was constructed and trained by using audio data from five predefined fault types for both training and validation. The model exhibited outstanding accuracy on training samples and demonstrated excellent generalization ability during validation.
• Score: 10.64491245858684
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: This study aimed to develop a deep learning model for the classification of bearing faults in wind turbine generators from acoustic signals. A convolutional LSTM model was successfully constructed and trained by using audio data from five predefined fault types for both training and validation. To create the dataset, raw audio signal data was collected and processed in frames to capture time and frequency domain information. The model exhibited outstanding accuracy on training samples and demonstrated excellent generalization ability during validation, indicating its proficiency of generalization capability. On the test samples, the model achieved remarkable classification performance, with an overall accuracy exceeding 99.5%, and a false positive rate of less than 1% for normal status. The findings of this study provide essential support for the diagnosis and maintenance of bearing faults in wind turbine generators, with the potential to enhance the reliability and efficiency of wind power generation.

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