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

<div>Waveforms of simulated signals: (a) <i>s</i><sub>1</sub>, (b) <i>s</i><sub>2</sub>, and (c) <i>s</i><sub>3</sub>.</div>

Shock and Vibration

Figure 2: A Morphological Filtering Method Based on Particle Swarm Optimization for Railway Vehicle Bearing Fault Diagnosis 