Research Article
PSO-Based PID Controller Design for a Class of Stable and Unstable Systems
Table 1
Optimized PID parameters for Example
1.
| | Best values | Iteration number | | | |
| 0.5 | 1 | 58 | 0.6749 | 0.6525 | 0.0228 | 2 | 35 | 0.6800 | 0.6415 | 0.0170 | 3 | 41 | 0.6904 | 0.6965 | 0.0332 |
| 0.75 | 1 | 45 | 0.6976 | 0.6597 | 0.1136 | 2 | 43 | 0.8579 | 0.6827 | 0.0781 | 3 | 52 | 0.5779 | 0.6413 | 0.0812 |
| 1 | 1 | 44 | 0.4885 | 0.839 | 0.1013 | 2 | 39 | 0.6781 | 0.9102 | 0.2954 | 3 | 63 | 1.0119 | 0.7781 | 0.1377 |
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