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.003a.svgz" name="6513045.fig.003a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Inner ring fault simulation signal</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/mpe/volume-2018/6513045/figures/6513045.fig.003b.svgz" name="6513045.fig.003b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Outer ring fault simulation signal</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/mpe/volume-2018/6513045/figures/6513045.fig.003c.svgz" name="6513045.fig.003c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>The Gauss noise</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/mpe/volume-2018/6513045/figures/6513045.fig.003d.svgz" name="6513045.fig.003d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>The compound signal</td></tr></table>

<div>Time domain waveform of simulation signal.</div>

Mathematical Problems in Engineering

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Figure 3

Figure 3: Compound Fault Diagnosis of Bearings Using an Improved Spectral Kurtosis by MCDK 