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Published in: Multimedia Systems 5/2023

29-01-2022 | Special Issue Paper

Few-shot wind turbine blade damage early warning system based on sound signal fusion

Author: Xiaolei Li

Published in: Multimedia Systems | Issue 5/2023

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Abstract

Wind energy is one of the fastest-growing renewable energy resources. The blades are regarded as one of the most critical components in a wind turbine. The appropriate detection scheme to ensure the safety of the blade is crucial. Although there are many ways to detect blade damage and distinguish the types of them, a real-time online blade alert is important to ensure that potential wind turbine problems can be corrected in a timely manner. In this paper, a wind turbine blade damage early warning system was designed and developed based on sound signal fusion. Firstly, a wind turbine blade early warning method based on wavelet packet decomposition is proposed, which mainly includes data processing, feature extraction and early warning mechanism. Specifically, the beamforming technology of minimum variance distortion-less response(MVDR) is applied to enhance the weak signal and suppress the interference signal in the data processing. In the feature extraction, four-layer wavelet packet decomposition is applied to fully retain the information in the original signal. To improve the robustness of early warning, the two early warning strategies are introduced into in early warning mechanism. Then, a wind turbine blade damage early warning system was developed based on specific hardware. Finally, the system is tested on active wind farms and can achieve good early warning results.

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Literature
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Metadata
Title
Few-shot wind turbine blade damage early warning system based on sound signal fusion
Author
Xiaolei Li
Publication date
29-01-2022
Publisher
Springer Berlin Heidelberg
Published in
Multimedia Systems / Issue 5/2023
Print ISSN: 0942-4962
Electronic ISSN: 1432-1882
DOI
https://doi.org/10.1007/s00530-021-00882-7

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