Fault Diagnosis of Rolling Bearings Based on WPE by Wavelet Decomposition and ELM.
Caiping XiZhibo GaoPublished in: Entropy (2022)
Keyphrases
- wavelet decomposition
- fault diagnosis
- monitoring and fault diagnosis
- condition monitoring
- vibration signal
- wavelet transform
- multiresolution
- multiscale
- subband
- high frequency
- wavelet domain
- fault detection
- wavelet coefficients
- fuzzy logic
- neural network
- operating conditions
- bp neural network
- expert systems
- sar images
- power transformers
- rbf neural network
- wavelet packet
- fault detection and diagnosis
- electronic equipment
- image compression
- feature vectors
- gas turbine
- denoising
- rotating machinery
- analog circuits
- chemical process
- multi sensor information fusion
- spatial resolution
- low frequency
- mathematical model
- similarity measure
- feature extraction
- power plant
- image analysis
- high quality
- multiple faults
- face recognition
- decision making