A Morphological Filtering Method Based on Particle Swarm Optimization for Railway Vehicle Bearing Fault Diagnosis

<div>The outer-race fault signal and operating signal: (a) the waveform of operating signal, (b) the waveform of test rig signal, (c) the waveform of synthesized signal, and (d) the spectrum of synthesized signal.</div>

Shock and Vibration

fig6

Figure 6

Figure 6: A Morphological Filtering Method Based on Particle Swarm Optimization for Railway Vehicle Bearing Fault Diagnosis 