Elimination of End effects in LMD Based on LSTM Network and Applications for Rolling Bearing Fault Feature Extraction

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">Frequency (Hz)</td><td class="align_center">Amplitude (mm<sup>2</sup>/s)</td><td class="align_center">Time (s)</td><td class="align_center">Number</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">EMD</td><td class="align_center">100</td><td class="align_center">284.0</td><td class="align_center">0.6229</td><td class="align_center">8</td></tr><tr><td class="align_left">EEMD</td><td class="align_center">110</td><td class="align_center">306.2</td><td class="align_center">1.0231</td><td class="align_center">8</td></tr><tr><td class="align_left">LMD</td><td class="align_center">120</td><td class="align_center">284.1</td><td class="align_center">0.3025</td><td class="align_center">5</td></tr><tr><td class="align_left">Improved LMD algorithm</td><td class="align_center">110</td><td class="align_center">315.2</td><td class="align_center">0.5632</td><td class="align_center">5</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Performance comparison of EMD, EEMD, LMD, and improved LMD algorithm for outer ring fault signal.</div>

Mathematical Problems in Engineering

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Table 4

Table 4: Elimination of End effects in LMD Based on LSTM Network and Applications for Rolling Bearing Fault Feature Extraction 