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.004a.svgz" name="1248626.fig.004a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Original vibration signal</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/sv/volume-2016/1248626/figures/1248626.fig.004b.svgz" name="1248626.fig.004b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Envelope spectrum</td></tr></table>

<div>Original signal and envelope spectrum of bearing with compound fault.</div>

Shock and Vibration

fig4

Figure 4

Figure 4: Optimum IMFs Selection Based Envelope Analysis of Bearing Fault Diagnosis in Plunger Pump 