Railway Wheel Flat Detection Based on Improved Empirical Mode Decomposition

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/sv/volume-2016/4879283/figures/4879283.fig.0021a.svgz" name="4879283.fig.0021a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>The characteristic IMF selected</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/sv/volume-2016/4879283/figures/4879283.fig.0021b.svgz" name="4879283.fig.0021b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Frequency spectrum</td></tr></table>

<div>Analysis results of the signal presented in Figure <a href="../fig20/">20</a> by improved EMD: (a) the characteristic IMF and (b) FFT spectrum.</div>

Shock and Vibration

fig21

Figure 21

Figure 21: Railway Wheel Flat Detection Based on Improved Empirical Mode Decomposition 