Abstract
Aeroengine fan is an important component of aeroengine, and its reliability is very important for aircraft. Therefore, the fault diagnosis and fault analysis of aeroengine fan are of great significance to aircraft safety. This paper proposes a fault diagnosis method of aeroengine fan based on generative adversarial network and acoustic features. First, referring to Mel frequency cepstral coefficients, the features of the collected original signal are extracted, and the first-order and second-order difference parameters to form a three-dimensional feature vector are also extracted. Then, the neural network model is used to build generator and discriminator, and the training is carried out through a generative adversarial network model. Finally, the public rotating machinery data set is used to construct training set and test set to verify the recognition effect of the model. Compared with the recognition results of the model using the same neural network architecture and the same data set, it is verified that the model has different degrees of improvement in terms of training efficiency, robustness and accuracy. Using data sequences at different speeds, it is verified that the model is stable in various states of aeroengine.
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Acknowledgements
This work is supported by the National Natural Science Foundation of China (Grand No. 51506121).
Funding
The funding has been received from National Science and Technology Major Project of China with Grant no. 2017-II-003-0015.
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Dong, H., Xun, L. & Ma, W. Fault diagnosis of aeroengine fan based on generative adversarial network and acoustic features. AS 5, 567–575 (2022). https://doi.org/10.1007/s42401-022-00151-z
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DOI: https://doi.org/10.1007/s42401-022-00151-z