Online Identification and Verification of the Elastic Coupling Torsional Stiffness

<table class="table-group" id="tab4"><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">5.29</td><td class="align_center">6.81</td><td class="align_center">28.71%</td></tr><tr><td class="align_left">2</td><td class="align_center">14.00</td><td class="align_center">14.71</td><td class="align_center">5.07%</td></tr><tr><td class="align_left">3</td><td class="align_center">37.03</td><td class="align_center">36.55</td><td class="align_center">1.30%</td></tr><tr><td class="align_left">4</td><td class="align_center">69.44</td><td class="align_center">68.75</td><td class="align_center">1.00%</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 static stiffness) and test results.

Shock and Vibration

tab4

Table 4

Table 4: Online Identification and Verification of the Elastic Coupling Torsional Stiffness 