Research of Fault Diagnosis Based on Sensitive Intrinsic Mode Function Selection of EEMD and Adaptive Stochastic Resonance

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">IMF</td><td class="align_center">Difference spectrum</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">IMF1</td><td class="align_center">0.4708</td></tr><tr><td class="align_left">IMF2</td><td class="align_center">0.4174</td></tr><tr><td class="align_left">IMF3</td><td class="align_center">0.9087</td></tr><tr><td class="align_left">IMF4</td><td class="align_center">0.07614</td></tr><tr><td class="align_left">IMF5</td><td class="align_center">0.01715</td></tr><tr><td class="align_left">IMF6</td><td class="align_center">0.02412</td></tr><tr><td class="align_left">IMF7</td><td class="align_center">0.0008135</td></tr><tr><td class="align_left">IMF8</td><td class="align_center">0.0009225</td></tr><tr><td class="align_left">IMF9</td><td class="align_center"><span style="width: 53.2645ptpx;"><svg 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id="g113-102"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="414" vert-adv-y="414"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,36.213,0)"><path d="M535 230V280H52V230H535Z" id="g117-33"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="587" vert-adv-y="587"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,46.749,0)"><path d="M137 343C167 482 260 545 321 574C357 591 397 603 429 609L423 641C382 634 335 622 295 608C189 570 37 457 37 238C37 84 125 -12 242 -12C362 -12 447 89 447 209C447 311 374 393 267 393C247 393 226 386 204 376L137 343ZM227 337C318 337 361 256 361 173C361 105 336 22 258 22C176 22 126 120 126 240C126 266 127 291 132 310C155 323 189 337 227 337Z" id="g113-55"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="480" vert-adv-y="480"></glyph.data></g></svg></span></td></tr><tr><td class="align_left">IMF10</td><td class="align_center">0.001409</td></tr><tr><td class="align_left">IMF11</td><td class="align_center">0.001771</td></tr><tr><td class="align_left">IMF12</td><td class="align_center">0.0004004</td></tr><tr><td class="align_left">IMF13</td><td class="align_center">0.0003416</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Difference spectrum of the bearing inner race corresponding to IMFs.

Shock and Vibration

tab3

Table 3

Table 3: Research of Fault Diagnosis Based on Sensitive Intrinsic Mode Function Selection of EEMD and Adaptive Stochastic Resonance 