Fault Diagnosis Method for Hydraulic Pump Based on Fuzzy Entropy of Wavelet Packet and LLTSA.
Fei WangLiqing FangZiyuan QiPublished in: Int. J. Online Eng. (2018)
Keyphrases
- fuzzy entropy
- wavelet packet
- filter bank
- denoising
- wavelet packet transform
- subband
- fuzzy sets
- membership functions
- fault diagnosis
- wavelet packet decomposition
- condition monitoring
- wavelet function
- wavelet transform
- non stationary
- control method
- control system
- quadtree
- fuzzy systems
- wavelet decomposition
- image compression
- image coding
- multiscale
- multiresolution
- image processing
- fuzzy logic
- image segmentation
- computer vision
- pattern recognition
- artificial neural networks
- wavelet domain
- high resolution
- rough sets
- neural network