Weak fault feature extraction of gearbox's bearing based on EMD-bispectrum.
Jianmin MeiLong QiaoYun-kui XiaoPublished in: FSKD (2012)
Keyphrases
- feature extraction
- fault diagnosis
- speaker identification
- fault detection
- hilbert huang transform
- distance measure
- moment invariants
- expert systems
- empirical mode decomposition
- probabilistic neural network
- feature vectors
- face recognition
- pattern classification
- image processing
- image classification
- preprocessing
- principal component analysis
- feature set
- feature selection
- frequency domain
- neural network
- pattern recognition
- non stationary
- support vector machine svm
- dimensionality reduction
- linear feature extraction
- linear discriminant analysis
- discriminant analysis
- fuzzy logic
- signal analysis
- phase correlation
- feature space
- invariant features
- condition monitoring
- operating conditions
- extracted features
- texture features
- artificial neural networks
- hidden markov models
- rotation invariant
- gabor filters
- multiscale
- texture classification
- fault model
- computer vision