2020
DOI: 10.3390/s20061685
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Generative Adversarial Learning Enhanced Fault Diagnosis for Planetary Gearbox under Varying Working Conditions

Abstract: Planetary gearbox is a critical component for many mechanical systems. It is essential to monitor the planetary gearbox health and performance in order to maintain the whole machine works well. The methodology of mechanical fault diagnosis is increasingly intelligent with the extensive application of deep learning. However, the cross-domain issue caused by varying working conditions becomes an enormous encumbrance to fault diagnosis based on deep learning. In this paper, in order to fully excavate potentialiti… Show more

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Cited by 12 publications
(7 citation statements)
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“…The input of the model was raw vibration signals, and the category error and the authenticity label error were utilized as the loss to train the generator and the discriminator. In addition to the label information, Wen et al [141] added the condition information to the CNN-based generator, and the generator was trained by minimizing the log-likelihoods of the correct source, the fault class and the working condition. The model was optimized using the planetary gearbox signals of different health states under several rotating speeds, and one dataset including all health states under another condition was adopted to test the model.…”
Section: Ganmentioning
confidence: 99%
“…The input of the model was raw vibration signals, and the category error and the authenticity label error were utilized as the loss to train the generator and the discriminator. In addition to the label information, Wen et al [141] added the condition information to the CNN-based generator, and the generator was trained by minimizing the log-likelihoods of the correct source, the fault class and the working condition. The model was optimized using the planetary gearbox signals of different health states under several rotating speeds, and one dataset including all health states under another condition was adopted to test the model.…”
Section: Ganmentioning
confidence: 99%
“…12 In recent years, artificial intelligence diagnosis technology 15,16 has developed vigorously, such as support vector machine 7,15 and deep learning. 13,17 Besides, higher-order statistics 18,19 is a powerful tool for gearbox fault diagnosis.…”
Section: Introductionmentioning
confidence: 99%
“…Intelligent fault diagnosis provides an approach to avoiding subjective factors due to the merit of adaptive learning mechanisms, strong fault tolerance, and high non-linear regression ability [5]. In recent years, some typical strategies have been successfully applied to intelligent fault identification of rotating machinery, such as support vector machines (SVMs) [6][7][8], artificial neural networks (ANNs) [9], convolutional neural networks (CNNs) [10][11][12], recurrent neural networks (RNNs) [13], deep belief networks (DBNs) [14], deep auto-encoders (DAEs) [15,16], and generative adversarial networks (GANs) [17][18][19][20], which inspire that of planetary gearboxes.…”
Section: Introductionmentioning
confidence: 99%
“…In general, many intelligent diagnosis methods mainly including machine learning (ML) algorithms such as the SVM and ANN, and deep learning (DL) algorithms such as the RNN, DBN, DAE, and GAN have been successfully utilized for fault diagnosis [5,21]. However, it was also pointed out in [5,21] that intelligent methods based on ML have some limitations and uncertainties. On the one hand, signal pre-processing and feature extraction are dependent highly on expert knowledge.…”
Section: Introductionmentioning
confidence: 99%