Vibration Signature Analysis and Parameter Extractions on Damages in Gears and Rolling Element Bearings

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="402928.fig.006a" src="https://static.hindawi.com/articles/isrn/volume-2011/402928/figures/402928.fig.006a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Health bearing with healthy gear</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="402928.fig.006b" src="https://static.hindawi.com/articles/isrn/volume-2011/402928/figures/402928.fig.006b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Damaged gear with healthy bearing</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="402928.fig.006c" src="https://static.hindawi.com/articles/isrn/volume-2011/402928/figures/402928.fig.006c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Damaged bearing with healthy gear</td></tr></table></td></tr><tr class="fig-image" id="d"><td><img alt="402928.fig.006d" src="https://static.hindawi.com/articles/isrn/volume-2011/402928/figures/402928.fig.006d.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(d) </b>Damaged gear with damaged bearing</td></tr></table></td></tr></table>

<table>Continuous wavelet transform (CWT) of original (raw) and filtered vibration signals.</table>

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Figure 6

Figure 6: Vibration Signature Analysis and Parameter Extractions on Damages in Gears and Rolling Element Bearings 