Seismic Proofing Capability of the Accumulated Semiactive Hydraulic Damper as an Active Interaction Control Device with Predictive Control

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Original/FL</td><td class="align_center">Stiffness (N/m)</td><td class="align_center">Mass (kg)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">1st FL</td><td class="align_center">327680</td><td class="align_center">4402</td></tr><tr><td class="align_left">2nd FL</td><td class="align_center">327680</td><td class="align_center">4329</td></tr><tr><td class="align_center" colspan="3"><hr/></td></tr><tr><td class="align_center" colspan="3">Dynamic parameters</td></tr><tr><td class="align_left">Parameters</td><td class="align_center">Mode 1</td><td class="align_center">Mode 2</td></tr><tr><td class="align_center" colspan="3"><hr/></td></tr><tr><td class="align_left">Frequency </td><td class="align_center">0.85 Hz</td><td class="align_center">2.256 Hz</td></tr><tr><td class="align_left">Damping ratio</td><td class="align_center">0.0028</td><td class="align_center">0.0033</td></tr><tr><td class="align_center" colspan="3"><hr/></td></tr><tr><td class="align_left" rowspan="2">Mode vector</td><td class="align_center">0.608</td><td class="align_center">−1.241</td></tr><tr><td class="align_center">1.000</td><td class="align_center">1</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Natural frequency, damping ratio, and mass of test structure.

Shock and Vibration

tab1

Table 1

Table 1: Seismic Proofing Capability of the Accumulated Semiactive Hydraulic Damper as an Active Interaction Control Device with Predictive Control 