Bearing Fault Prognosis Method Based on Priori Knowledge-Enhanced Particle Filter

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Name</td><td class="align_center">Frequency (Hz)</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Fr (frequency conversion)</td><td class="align_center">22.5</td></tr><tr><td class="align_left">FTF (cage fault characteristic frequency)</td><td class="align_center">9</td></tr><tr><td class="align_left">BSF (rolling body fault characteristic frequency)</td><td class="align_center">41.4</td></tr><tr><td class="align_left">BPFO (outer ring fault characteristic frequency)</td><td class="align_center">68</td></tr><tr><td class="align_left">BPFI (inner ring fault characteristic frequency)</td><td class="align_center">108</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Mathematical Problems in Engineering

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Table 1

Table 1: Bearing Fault Prognosis Method Based on Priori Knowledge-Enhanced Particle Filter 