A Fault Diagnosis Scheme for Rolling Bearing Based on Particle Swarm Optimization in Variational Mode Decomposition

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/sv/volume-2016/9372691/figures/9372691.fig.007a.svgz" name="9372691.fig.007a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Time-domain graph of the measured signal</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/sv/volume-2016/9372691/figures/9372691.fig.007b.svgz" name="9372691.fig.007b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Envelope spectrum graph of the measured signal</td></tr></table>

<div>The time-frequency diagram of the measured signal.</div>

Shock and Vibration

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Figure 7

Figure 7: A Fault Diagnosis Scheme for Rolling Bearing Based on Particle Swarm Optimization in Variational Mode Decomposition 