Fault feature extraction of planetary gearboxes under nonstationary conditions based on reassigned wavelet scalogram.
Xiaowang ChenZhipeng FengMing LiangPublished in: I2MTC (2015)
Keyphrases
- non stationary
- feature extraction
- wavelet transform
- wavelet kernel
- adaptive algorithms
- feature extraction and classification
- feature vectors
- fault detection
- fault diagnosis
- random fields
- image coding
- sufficient conditions
- face recognition
- image processing
- feature selection
- blind source separation
- wavelet packet
- autoregressive
- stock price
- feature space
- extracted features
- multiscale
- finite horizon
- wavelet analysis
- multiresolution
- denoising
- frequency domain
- image compression
- wavelet domain
- wavelet coefficients
- empirical mode decomposition
- support vector machine svm