A Fault Diagnosis Method for One-Dimensional Vibration Signal Based on Multiresolution tlsDMD and Approximate Entropy

<table class="table-group" id="tab8"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Bearing state</td><td class="align_center">Normal</td><td class="align_center">Broken teeth</td><td class="align_center">Pitch errors</td><td class="align_center">Wear gear</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Total records</td><td class="align_center">19</td><td class="align_center">19</td><td class="align_center">19</td><td class="align_center">19</td></tr><tr><td class="align_left">Training records</td><td class="align_center">9</td><td class="align_center">9</td><td class="align_center">9</td><td class="align_center">9</td></tr><tr><td class="align_left">Testing records</td><td class="align_center">10</td><td class="align_center">10</td><td class="align_center">10</td><td class="align_center">10</td></tr><tr><td class="align_left">BPNN outputs</td><td class="align_center">1000</td><td class="align_center">0100</td><td class="align_center">0010</td><td class="align_center">0001</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Number of records per gear state and BPNN outputs.</div>

Shock and Vibration

tab8

Table 8

Table 8: A Fault Diagnosis Method for One-Dimensional Vibration Signal Based on Multiresolution tlsDMD and Approximate Entropy 