Optimum IMFs Selection Based Envelope Analysis of Bearing Fault Diagnosis in Plunger Pump

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/sv/volume-2016/1248626/figures/1248626.fig.005a.svgz" name="1248626.fig.005a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Wigner-Ville distribution</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/sv/volume-2016/1248626/figures/1248626.fig.005b.svgz" name="1248626.fig.005b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>The first four IMFs and their spectrums</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/sv/volume-2016/1248626/figures/1248626.fig.005c.svgz" name="1248626.fig.005c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Envelope spectrum of the optimum IMF</td></tr></table>

<div>Bearing compound fault diagnosis by envelope analysis for optimum IMF.</div>

Shock and Vibration

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Figure 5

Figure 5: Optimum IMFs Selection Based Envelope Analysis of Bearing Fault Diagnosis in Plunger Pump 