Unsupervised Feature Learning of Gearbox Fault Using Stacked Wavelet Auto-encoder.
Haidong ShaoHongkai JiangPublished in: ICPHM (2018)
Keyphrases
- unsupervised feature learning
- vibration signal
- fault diagnosis
- deep learning
- fault detection
- condition monitoring
- higher order
- wavelet transform
- successive approximation
- operating conditions
- wavelet analysis
- wavelet coefficients
- denoising
- frequency band
- expert systems
- multiscale
- morphological filters
- neural network
- rate distortion
- multiresolution
- unsupervised learning
- computer vision
- autoregressive
- motion estimation
- wavelet packet
- image coding
- training data
- image processing
- bit rate
- machine learning
- data mining