Stable Switching Control Strategy of the Support Pressure and Velocity of Shield Machine Gripper Shoes

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Parameter</td><td class="align_center">Value</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Hydraulic cylinder displacement (mm)</td><td class="align_center">500</td></tr><tr><td class="align_left">Simulation time (s)</td><td class="align_center">30</td></tr><tr><td class="align_left">Servo valve orifice area gradient ratio</td><td class="align_center">2</td></tr><tr><td class="align_left">Hydraulic cylinder damping coefficient (N·s·m<sup>−1</sup>)</td><td class="align_center">300</td></tr><tr><td class="align_left">Hydraulic cylinder velocity (mm·s<sup>−1</sup>)</td><td class="align_center">300</td></tr><tr><td class="align_left">Servo valve spool displacement gain (mm·V<sup>−1</sup>)</td><td class="align_center">0.1</td></tr><tr><td class="align_left">Hydraulic cylinder total leakage coefficient/m<sup>5</sup>·(N·s)<sup>−1</sup></td><td class="align_center">700</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Shock and Vibration

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Table 1

Table 1: Stable Switching Control Strategy of the Support Pressure and Velocity of Shield Machine Gripper Shoes 