Table 4 Evaluation criteria for upward model estimation
From: Real-world application of a discrete feedback control system for flexible biogas production
Estimation method | \({R}^{2}\)(%) | \(SSE\)(–) | \(P\) | AIC |
|---|---|---|---|---|
PT1-approximation | 95.14 | 13,933.44 | 2 | 27.37 |
Time percentage method | 98.73 | 3159.56 | 3 | 26.41 |
Turning tangent method | 72.44 | 124,340.86 | 3 | 33.75 |
Sum of time constants method | 6.91 | – | 3 | – |
PT1-estimator | 97.65 | 144,225.25 | 2 | 32.05 |
PT2-estimator | 98.94 | 671,858.91 | 4 | 39.13 |