| Simulated system | Wind Turbine | Hydro Plant |
| Working condition | From partial to full load | From start-up to full load |
| Standard PID | 11.5% | 6.2% |
| Autotuning PID | 7.3% | 4.9% |
| Fuzzy Controller | 5.7% | 3.1% |
| Adaptive Controller | 4.1% | 1.8% |
| MPC Scheme | 2.8% | 0.9% |