Modal Parameters Identification Method Based on Symplectic Geometry Model Decomposition

<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_center" colspan="2">Natural frequency</td><td class="align_center">Error (%)</td><td class="align_center">Damping ratio</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Model 1</td><td class="align_center">62.92</td><td class="align_center">3.2</td><td class="align_center">0.00213</td></tr><tr><td class="align_left">Model 2</td><td class="align_center">215.82</td><td class="align_center">0.80</td><td class="align_center">0.00073</td></tr><tr><td class="align_left">Model 3</td><td class="align_center">397.11</td><td class="align_center">11.18</td><td class="align_center">0.00029</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The modal identification of vibration signals.</div>

Shock and Vibration

tab2

Table 2

Table 2: Modal Parameters Identification Method Based on Symplectic Geometry Model Decomposition 