An Asymmetric Hysteresis Model and Parameter Identification Method for Piezoelectric Actuator

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td align="left"> </td><td align="center">MAD</td><td align="center">MRD</td><td align="center">MAE</td><td align="center">NRMSD</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td align="left">Non-corrected model</td><td align="center">1.3155 <i>μ</i>m</td><td align="center">0.5481%</td><td align="center">1.0396 <i>μ</i>m</td><td align="center">4.35 × 10<sup>−5</sup></td></tr><tr><td align="left">Corrected model</td><td align="center">0.8612 <i>μ</i>m</td><td align="center">0.3588%</td><td align="center">0.1835 <i>μ</i>m</td><td align="center">8.29 × 10<sup>−6</sup></td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Quantitative error of the output displacements predicted.

Mathematical Problems in Engineering

tab6

Table 6

Table 6: An Asymmetric Hysteresis Model and Parameter Identification Method for Piezoelectric Actuator 