A Novel Shearer Cutting State Recognition Method Based on Improved Variational Mode Decomposition and LSSVM with Acoustic Signals

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Cutting state</td><td class="align_center">Class label</td><td class="align_center">Number of training samples</td><td class="align_center">Number of testing samples</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left"><i>F</i><sub>1</sub></td><td class="align_center">1</td><td class="align_center">30</td><td class="align_center">30</td></tr><tr><td class="align_left"><i>F</i><sub>2</sub></td><td class="align_center">2</td><td class="align_center">30</td><td class="align_center">30</td></tr><tr><td class="align_left"><i>F</i><sub>3</sub></td><td class="align_center">3</td><td class="align_center">30</td><td class="align_center">30</td></tr><tr><td class="align_left"><i>F</i><sub>4</sub></td><td class="align_center">4</td><td class="align_center">30</td><td class="align_center">30</td></tr><tr><td class="align_left"><i>F</i><sub>5</sub></td><td class="align_center">5</td><td class="align_center">30</td><td class="align_center">30</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The detailed arrangements of the experimental datasets for classification.</div>

Shock and Vibration

tab3

Table 3

Table 3: A Novel Shearer Cutting State Recognition Method Based on Improved Variational Mode Decomposition and LSSVM with Acoustic Signals 