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Table 7 Comparision of performance measures between the proposed and existing methods at P = 0.8 p.u. and Q = 0.3 p.u

From: Design of a robust PID-PSS for an uncertain power system with simplified stability conditions

Time domain specifications/PerformanceIndices Kharitonov Poly Root Locus [36] Khartionov Poly PSO [37] Image set Lead-Lag [41] Image set PID-PSS [41] Proposed PID-PSS
Rise Time 8.1266e-4 9.7828e-4 7. 9823e-5 0.0024 1.1915e-4
Settling Time 2.954 3.204 2.232 2.194 1.989
Peak value 0.0009 0.0009 0.001 0.001 5.3542e-4
Peak time 0.6500 0.6400 0.6500 0.69 0.5900
ISE 7.6983e-7 7.0825e-7 6.0816e-7 0.1092e-7 0.69672e-7
IAE 9.0728e-4 8.3127e-4 5.7750e-4 8.3347e-4 2.7660e-4
ITSE 6.1336e-7 5.6275e-7 4.2605e-7 8.0200e-7 0.56847e-7
ITAE 0.0011 0.0010 5.1849e-4 7.7943e-4 3.0262e-4