Design and Research of Semiactive Quasi-Zero Stiffness Vibration Isolation System for Vehicles

<table class="table-group" id="tab10"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Excitation amplitudes (mm)</td><td class="align_center">RMS of passive QZS (mm)</td><td class="align_center">RMS of semiactive QZS (mm)</td><td class="align_center">Differences (%)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">3</td><td class="align_center">0.907</td><td class="align_center">0.672</td><td class="align_center">−25.9</td></tr><tr><td class="align_left">5</td><td class="align_center">1.166</td><td class="align_center">0.684</td><td class="align_center">−41.3</td></tr><tr><td class="align_left">7</td><td class="align_center">1.474</td><td class="align_center">0.698</td><td class="align_center">−52.6</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>RMS and differences of displacement transmissibility under different harmonic excitations.</div>

Shock and Vibration

tab10

Table 10

Table 10: Design and Research of Semiactive Quasi-Zero Stiffness Vibration Isolation System for Vehicles 