A Wavelet Bicoherence-Based Quadratic Nonlinearity Feature for Translational Axis Condition Monitoring.
Yong LiXiufeng WangJing LinShengyu ShiPublished in: Sensors (2014)
Keyphrases
- condition monitoring
- vibration signal
- fault detection
- fault diagnosis
- wavelet transform
- acoustic emission
- nuclear power plant
- image features
- multiresolution
- objective function
- power transformers
- denoising
- image processing
- wavelet features
- neural network
- wavelet analysis
- feature vectors
- expert systems
- multiscale
- steady state
- wavelet domain
- fuzzy sets
- feature set
- computational complexity