Application of an Improved Ensemble Local Mean Decomposition Method for Gearbox Composite Fault Diagnosis

<table class="fixed-width table-group" id="tab5"><tr><td><table class="table"><colgroup><col style="width:10.48em"/><col style="width:8.77em"/><col style="width:9.27em"/><col style="width:11.00em"/></colgroup><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Meshing method</td><td class="align_center">Transmission ratio</td><td class="align_center">Sampling frequency</td><td class="align_center">Sampling Point Number</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Half tooth engagement</td><td class="align_center">1:1</td><td class="align_center">8KHz</td><td class="align_center">2000</td></tr><tr><td class="align_left" colspan="4"><hr/></td></tr><tr><td class="align_left">Gear tooth number</td><td class="align_center">Speed</td><td class="align_center">Axis rotation</td><td class="align_center">Load torque</td></tr><tr><td class="align_left" colspan="4"><hr/></td></tr><tr><td class="align_left">18</td><td class="align_center">1200rpm</td><td class="align_center">20Hz</td><td class="align_center">1000N·m</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Gear transmission test bench parameters.</div>

Complexity

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Table 5

Table 5: Application of an Improved Ensemble Local Mean Decomposition Method for Gearbox Composite Fault Diagnosis 