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

<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_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">2.5003</td><td class="align_center">1.0797</td><td class="align_center">0.8228</td></tr><tr><td class="align_left">TSM</td><td class="align_center">1.6355</td><td class="align_center">0.7643</td><td class="align_center">0.4520</td></tr><tr><td class="align_left">INTSM</td><td class="align_center">1.5861</td><td class="align_center">0.6866</td><td class="align_center">0.4332</td></tr><tr><td class="align_left">ESO-INTSM</td><td class="align_center">0.8790</td><td class="align_center">0.2499</td><td class="align_center">0.1859</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 2

Table 2: Integral Nonsingular Terminal Sliding Mode Control of Hydraulic Servo Actuator Based on Extended State Observer 