Bearing Fault Diagnosis Using Synthetic Quantitative Index-Based Adaptive Underdamped Stochastic Resonance

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Ball number</td><td class="align_center">Ball diameter (inch)</td><td class="align_center">Pitch diameter (inch</td><td class="align_center">BPFI (<i>f</i><sub>R</sub>)</td><td class="align_center">BPFO (<i>f</i><sub>R</sub>)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">8</td><td class="align_center">0.3125</td><td class="align_center">1.318</td><td class="align_center">4.950</td><td class="align_center">3.048</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div><i>Note.</i> BPFI means the ball pass frequency inner race; BPFO means the ball pass frequency outer race; <i>f</i><sub>R</sub> is the bearing rotation speed.<br/></div></td></tr></table>

<div>The dimensions and characteristic failure parameters of bearing ER-12K.</div>

Mathematical Problems in Engineering

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Table 4

Table 4: Bearing Fault Diagnosis Using Synthetic Quantitative Index-Based Adaptive Underdamped Stochastic Resonance 