Influence of the Selection of Reaction Curve’s Representative Points on the Accuracy of the Identified Fractional-Order Model

<table class="table-group" id="tab15"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Method <sup>#</sup>7: Alfaro 1 (25–75%)</td><td class="align_center">Method <sup>#</sup>8: Viterková 1 (33–70%)</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left"><i>K</i><sub>7</sub> = 1.0000</td><td class="align_center"><i>K</i><sub>8</sub> = 1.0000</td></tr><tr><td class="align_left"><i>T</i><sub>7</sub> = 2.9936 s</td><td class="align_center"><i>T</i><sub>8</sub> = 2.8959 s</td></tr><tr><td class="align_left"><i>L</i><sub>7</sub> = 0.0923 s</td><td class="align_center"><i>L</i><sub>8</sub> = 0.0757 s</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>FOPDT model parameters obtained using Alfaro’s and Viterková’s two-point methods, respectively.</div>

Journal of Mathematics

tab15

Table 15

Table 15: Influence of the Selection of Reaction Curve’s Representative Points on the Accuracy of the Identified Fractional-Order Model 