Table 5 Comprehensive controller performance comparison for 1.0° step input.
From: Ultra-precision control of dual-axis scanning mechanism based on PSO-RBF neural network
Controller type | Rise time (ms) | Overshoot (%) | Settling time (ms) | Steady-state error (arc-sec) |
|---|---|---|---|---|
Classical PID | 51.7 | 28.8915 | 660 | 3.6 |
RBF-PID | 42.4 | 49.0265 | 170 | 1.8 |
Fuzzy-PID | 48.2 | 35.3 | 185 | 2.1 |
SMC | 37.8 | 22.7 | 145 | 1.4 |
PSO-RBF-PID | 30.3 | 30.1752 | 390 | 0.7 |
