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

<table class="fixed-width table-group" id="tab4"><tr><td><table class="table"><colgroup><col style="width:5.58em"/><col style="width:3.88em"/><col style="width:3.94em"/><col style="width:3.96em"/><col style="width:3.94em"/><col style="width:3.64em"/></colgroup><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Amplitude</td><td class="align_center">1.5</td><td class="align_center">2</td><td class="align_center">2.5</td><td class="align_center">3</td><td class="align_center">3.5</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">PE</td><td class="align_center">0.4835</td><td class="align_center">0.4856</td><td class="align_center">0.4894</td><td class="align_center">0.4954</td><td class="align_center">0.5011</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The permutation entropy values corresponding to different amplitude of impulse signal.</div>

Complexity

tab4

Table 4

Table 4: Application of an Improved Ensemble Local Mean Decomposition Method for Gearbox Composite Fault Diagnosis 