Weak Fault Feature Extraction of Rolling Bearings Based on Adaptive Variational Modal Decomposition and Multiscale Fuzzy Entropy.
Zhongliang LvSenping HanLinhao PengLin YangYujiang CaoPublished in: Sensors (2022)
Keyphrases
- fuzzy entropy
- multiscale
- feature extraction
- image processing
- wavelet transform
- image segmentation
- fuzzy sets
- membership functions
- preprocessing
- multiscale decomposition
- fault diagnosis
- edge detection
- grey relational analysis
- fault detection
- feature space
- image classification
- scale space
- extracted features
- image fusion
- fuzzy partition
- texture analysis
- machine learning
- mathematical model
- principal component analysis
- pattern recognition
- feature selection
- image representation
- modal logic
- coarse to fine
- gabor filters
- optical flow
- feature vectors
- knowledge base
- real world
- bidimensional empirical mode decomposition