Research Article
A Comparative Analysis of PID, Lead, Lag, Lead-Lag, and Cascaded Lead Controllers for a Drug Infusion System
Table 4
Controller performance characteristics (a comparative analysis).
| | Controller | Gain | Rise time (sec) | Settling time (sec) | Overshoot (%) |
| | Lag | 30 | 2.9120 | 5.2720 | 0 | | Lead | 500 | 0.0573 | 0.2492 | 0 | | Lead-lag | 500 | 0.0880 | 0.1980 | 0.7164 | | PI | 4.5 × 106 | 4.8822 × 10−6 | 8.6935 × 10−6 | 0 | | Cascaded lead | 500 | 4.0862 × 10−7 | 7.2779 × 10−7 | 0 |
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