Table 8 Comparision of performance measures between the proposed and existing methods at P = 1.2 p.u. and Q = 0.2p.u. P = 1.2p. uandQ = 0.2p. u
From: Design of a robust PID-PSS for an uncertain power system with simplified stability conditions
Time domain specifications/Performance Indices | Kharitonov Poly Root Locus [36] | Kharitonov Poly PSO [37] | Image set Lead-Lag [41] | Image set PID-PSS [41] | Proposed PID-PSS |
|---|---|---|---|---|---|
Rise Time | 0.0024 | 2.7269e-5 | 8.5554e-5 | 0.0032 | 1.4115e-4 |
Settling Time | 3.320 | 3.141 | 2.374 | 2.184 | 1.895 |
Peak value | 8.6473e-4 | 8.5661e-4 | 9.4161e-4 | 9.3236e-4 | 4.7783e-4 |
Peak time | 0.6300 | 0.6300 | 0.6500 | 0.6700 | 0.5800 |
ISE | 1.5223e-7 | 1.4698e-7 | 1.5204e-7 | 2.0622e-7 | 0.4934e-7 |
IAE | 4.0349e-4 | 3.7200e-4 | 2.8842e-4 | 3.6083e-4 | 2.3155e-4 |
ITSE | 1.2249e-7 | 1.1866e-7 | 1.0651e-7 | 1.4880e-7 | 0.4002e-7 |
ITAE | 5.1076e-4 | 4.5924e-4 | 2.5746e-4 | 3.3132e-4 | 2.4989e-4 |