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

<div>Photos of the bearing test rig from SWJTU: (a) the test rig, (b) the installation of the sensor, (c) the defect of outer race, and (d) the defect of rolling element.</div>

Shock and Vibration

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Figure 5

Figure 5: A Morphological Filtering Method Based on Particle Swarm Optimization for Railway Vehicle Bearing Fault Diagnosis 