Table 6: Simulation results of case 1 under frequency disturbance.
| Conditions |
5% frequency disturbance |
10% frequency disturbance |
| Algorithms |
ZN |
Fuzzy PID |
PSO |
IFPSO |
ZN |
Fuzzy PID |
PSO |
IFPSO |
| Best F |
- |
- |
6.7981 |
6.5089 |
- |
- |
11.0601 |
10.7856 |
| STDEV |
- |
- |
0.9613 |
0.0048 |
- |
- |
0.3215 |
0.0031 |
| Overshoot |
0.5824 |
0.4314 |
0.0302 |
0 |
0.4461 |
0.1206 |
0.0500 |
0.0061 |
|
ts(s) |
5.6300 |
6.1400 |
4.0700 |
3.7200 |
6.5800 |
4.1300 |
4.0400 |
2.0300 |
| KP |
8.7993 |
- |
5.6364 |
5.1669 |
7.5444 |
- |
5.8973 |
5.0805 |
|
KD(s) |
2.6006 |
- |
1.0825 |
1.1979 |
2.3503 |
- |
1.3968 |
1.1833 |
|
KI(s-1) |
7.4432 |
- |
0.5439 |
0.3901 |
6.0544 |
- |
0.5555 |
0.4568 |