A Fault Diagnosis Method of Train Wheelset Rolling Bearing Combined with Improved LMD and FK

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Parameter</td><td class="align_center">Original signal</td><td class="align_center">PF1</td><td class="align_center">PF2</td><td class="align_center">PF3</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Kurtosis</td><td class="align_center">3.54</td><td class="align_center">4.24</td><td class="align_center">4.11</td><td class="align_center">4.12</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Kurtosis coefficient of CIE LMD product functions and the original signal.</div>

Journal of Sensors

tab5

Table 5

Table 5: A Fault Diagnosis Method of Train Wheelset Rolling Bearing Combined with Improved LMD and FK 