Fault Identification of Low-Speed Hub Bearing of Crane Based on MBMD and BP Neural Network

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Method</td><td class="align_center"><i>r</i><sub>1</sub></td><td class="align_center"><i>E</i><sub>1</sub></td><td class="align_center"><i>T</i> (s)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">MBMD</td><td class="align_center">0.9921</td><td class="align_center">0.0025</td><td class="align_center">23.2473</td></tr><tr><td class="align_left">BMD</td><td class="align_center">0.8863</td><td class="align_center">0.1591</td><td class="align_center">16.4287</td></tr><tr><td class="align_left">VMD</td><td class="align_center">0.7549</td><td class="align_center">0.2827</td><td class="align_center">10.5492</td></tr><tr><td class="align_left">EEMD</td><td class="align_center">0.5024</td><td class="align_center">0.5283</td><td class="align_center">5.9216</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Evaluation parameters of decomposition accuracy.</div>

Shock and Vibration

tab2

Table 2

Table 2: Fault Identification of Low-Speed Hub Bearing of Crane Based on MBMD and BP Neural Network 