Integral Nonsingular Terminal Sliding Mode Control of Hydraulic Servo Actuator Based on Extended State Observer

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Indices</td><td class="align_center"><i>M</i><sub><i>e</i></sub> (mm)</td><td class="align_center"><i>m</i> (mm)</td><td class="align_center"><i>σ</i><sub><i>e</i></sub> (mm)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">PID</td><td class="align_center">1.9492</td><td class="align_center">0.9940</td><td class="align_center">0.5415</td></tr><tr><td class="align_left">TSM</td><td class="align_center">1.7523</td><td class="align_center">0.8711</td><td class="align_center">0.4899</td></tr><tr><td class="align_left">INTSM</td><td class="align_center">1.2920</td><td class="align_center">0.6496</td><td class="align_center">0.3283</td></tr><tr><td class="align_left">ESO-INTSM</td><td class="align_center">1.1098</td><td class="align_center">0.4265</td><td class="align_center">0.2135</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Performance indices of different controllers.</div>

Shock and Vibration

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Table 3

Table 3: Integral Nonsingular Terminal Sliding Mode Control of Hydraulic Servo Actuator Based on Extended State Observer 