Research Article
Influence of the Selection of Reaction Curve’s Representative Points on the Accuracy of the Identified Fractional-Order Model
Table 18
Time-domain model performance indices for process P1,5.
| | Identification method# | Set of points | Model | S |
| | #1: proposed | (5–50–95%) | FFOPDT | S1 = 7.78·10−5 | | #2: proposed | (10–50–90%) | FFOPDT | S2 = 1.51·10−4 | | #3: proposed | (15–50–85%) | FFOPDT | S3 = 1.79·10−4 | | #4: proposed | (20–50–70%) | FFOPDT | S4 = 2.18·10−4 | | #5: proposed | (25–50–75%) | FFOPDT | S5 = 2.47·10−4 | | #6: proposed | (30–50–70%) | FFOPDT | S6 = 2.69·10−4 | | #7: Alfaro 1 | (25–75%) | FOPDT | S7 = 5.98·10−4 | | #8: Viterková 1 | (33–70%) | FOPDT | S8 = 6.30·10−4 | | #9: Alfaro 2 | (25–75%) | DPPDT | S9 = 1.40·10−3 | | #10: Viterková 2 | (33–70%) | DPPDT | S10 = 1.30·10−3 | | #11: Stark | (15–45–70%) | SOPDT | S11 = 6.66·10−4 | | #12: Jahanmiri and Fallahi 1 | (2–70–90%) | SOPDT | S12 = 9.25·10−4 | | #13: Jahanmiri and Fallahi 2 | (5–70–90%) | SOPDT | S13 = 1.10·10−3 |
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