Contactless Fault Diagnosis for Railway Point Machines Based on Multi-Scale Fractional Wavelet Packet Energy Entropy and Synchronous Optimization Strategy.
Yongkui SunYuan CaoPeng LiPublished in: IEEE Trans. Veh. Technol. (2022)
Keyphrases
- fault diagnosis
- optimization strategy
- wavelet packet
- multiscale
- filter bank
- wavelet transform
- wavelet decomposition
- optimization algorithm
- expert systems
- denoising
- neural network
- subband
- fault detection
- operating conditions
- bp neural network
- improved algorithm
- fuzzy logic
- initial solution
- image coding
- condition monitoring
- non stationary
- optimization method
- frequency band
- multiresolution
- image compression
- particle swarm
- image segmentation
- analog circuits
- wavelet coefficients
- artificial intelligence
- genetic algorithm
- wavelet domain
- image representation
- iterative procedure
- signal processing
- computational complexity
- vibration signal
- wind turbine