Compound Fault Diagnosis of Bearings Using an Improved Spectral Kurtosis by MCDK

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/mpe/volume-2018/6513045/figures/6513045.fig.0018a.svgz" name="6513045.fig.0018a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>The spectral kurtosis of the compound fault</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/mpe/volume-2018/6513045/figures/6513045.fig.0018b.svgz" name="6513045.fig.0018b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>The envelope spectrum after FSK filtering</td></tr></table>

<div>The fast spectral kurtosis analysis of original compound fault signal.</div>

Mathematical Problems in Engineering

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Figure 18

Figure 18: Compound Fault Diagnosis of Bearings Using an Improved Spectral Kurtosis by MCDK 