Table 3 Evaluation criteria for downward 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 | 99.04 | 38,071.82 | 2 | 29.38 |
Time percentage method | 98.57 | 46,332.56 | 3 | 31.78 |
Turning tangent method | 98.17 | 60,688,32 | 3 | 32.32 |
Sum of time constants method | 98.17 | 60,668.62 | 3 | 32.32 |
PT1-estimator | 96.03 | 263,158.74 | 2 | 33.25 |
PT2-estimator | 97.78 | 391,200.21 | 4 | 38.04 |