Weak Fault Detection for Rolling Bearings in Varying Working Conditions through the Second-Order Stochastic Resonance Method with Barrier Height Optimization

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Speed of the motor (r/min)</td><td class="align_center"><i>BPFO</i> (Hz)</td><td class="align_left"><i>BPFI</i> (Hz)</td><td class="align_left"><i>BSF</i> (Hz)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">1200</td><td class="align_center">61.05</td><td class="align_center">98.95</td><td class="align_center">39.84</td></tr><tr><td class="align_left">2400</td><td class="align_center">122.09</td><td class="align_center">197.91</td><td class="align_center">79.68</td></tr><tr><td class="align_left">4800</td><td class="align_center">244.19</td><td class="align_center">395.82</td><td class="align_center">159.36</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Fault characteristic frequencies of rolling bearings.</div>

Shock and Vibration

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Table 2

Table 2: Weak Fault Detection for Rolling Bearings in Varying Working Conditions through the Second-Order Stochastic Resonance Method with Barrier Height Optimization 

Table 2 | Weak Fault Detection for Rolling Bearings in Varying Working Conditions through the Second-Order Stochastic Resonance Method with Barrier Height Optimization 