Bearing Condition Recognition and Degradation Assessment under Varying Running Conditions Using NPE and SOM

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="781583.fig.0010a" src="https://static.hindawi.com/articles/mpe/volume-2014/781583/figures/781583.fig.0010a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>The MQE of original features</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="781583.fig.0010b" src="https://static.hindawi.com/articles/mpe/volume-2014/781583/figures/781583.fig.0010b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>The MQE of NPE features</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="781583.fig.0010c" src="https://static.hindawi.com/articles/mpe/volume-2014/781583/figures/781583.fig.0010c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>The MQE of NPE features with denoising</td></tr></table></td></tr></table>

<table>The MQE variation in time.</table>

Mathematical Problems in Engineering

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Figure 10

Figure 10: Bearing Condition Recognition and Degradation Assessment under Varying Running Conditions Using NPE and SOM 