Online Identification and Verification of the Elastic Coupling Torsional Stiffness

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Order</td><td class="align_center">Calculation results (Hz)</td><td class="align_center">Test results (Hz)</td><td class="align_center">Error (%)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">6.79 </td><td class="align_center">6.81 </td><td class="align_center">0.22 </td></tr><tr><td class="align_left">2</td><td class="align_center">14.89 </td><td class="align_center">14.76 </td><td class="align_center">0.88 </td></tr><tr><td class="align_left">3</td><td class="align_center">37.10 </td><td class="align_center">36.67 </td><td class="align_center">1.17 </td></tr><tr><td class="align_left">4</td><td class="align_center">69.46 </td><td class="align_center">68.33 </td><td class="align_center">1.66 </td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Natural frequencies compared between calculation results  (using identified stiffness) and test results.

Shock and Vibration

tab5

Table 5

Table 5: Online Identification and Verification of the Elastic Coupling Torsional Stiffness 