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Experimental data on speed tracking of seeker under step disturbance.
| Controller | Overshoot | Rise time (sec) | Recovery time (sec) | Steady-state error (deg/sec) |
|---|---|---|---|---|
| PID | 0.149% | 0.020 | Greater than 0.4 | -0.135 |
| Fuzzy-PID | 0.145% | 0.014 | Greater than 0.4 | -0.075 |
| SMC | 0.289% | 0.035 | 0.02 | 0.016 |
| FOSTSMC-DOB | 0 | 0.1 | 0.01 | -0.01 |
| FOSTSMC-ESO | 0 | 0.025 | 0.0006 | 0.0008 |
