The Rolling Bearing Fault Feature Extraction Based on the LMD and Envelope Demodulation

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/mpe/volume-2015/429185/figures/429185.fig.0011a.svgz" name="429185.fig.0011a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>The time domain and frequency domain waveform of rolling fault vibration signal</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/mpe/volume-2015/429185/figures/429185.fig.0011b.svgz" name="429185.fig.0011b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Rolling body fault vibration signal LMD decomposition PF component</td></tr></table>

<div>Time domain and frequency domain waveform of rolling fault vibration signal and the LMD decomposition results.</div>

Mathematical Problems in Engineering

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Figure 11

Figure 11: The Rolling Bearing Fault Feature Extraction Based on the LMD and Envelope Demodulation 