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Table 5 Evolved parameters with WOA, DE and PSO

From: Interconnected multi-machine power system stabilizer design using whale optimization algorithm

  G 1 G 2 G 3 G 4
PSO K = 30.12 K = 30.58 K = 17.17 K = 29.77
T1 = 1.17 T1 = 1.21 T1 = 0.83 T1 = 0.9
T2 = 0.39 T2 = 0.34 T2 = 0.36 T2 = 0.55
T3 = 5.77 T3 = 4.36 T3 = 10 T3 = 4.1
T4 = 15 T4 = 14.66 T4 = 15 T4 = 15
DE K = 40.25 K = 38.64 K = 35.47 K = 45.98
T1 = 1.19 T1 = 1.24 T1 = 0.88 T1 = 0.94
T2 = 0.42 T2 = 0.38 T2 = 0.38 T2 = 0.51
T3 = 5.8 T3 = 4.4 T3 = 9.89 T3 = 4.15
T4 = 14.9 T4 = 14.6 T4 = 15.04 T4 = 15.06
WOA K = 63 K = 63 K = 55 K = 58
T1 = 1.25 T1 = 1.3 T1 = 0.9 T1 = 0.95
T2 = 0.45 T2 = 0.35 T2 = 0.4 T2 = 0.54
T3 = 5.8 T3 = 4.3 T3 = 10.1 T3 = 4.2
T4 = 15.1 T4 = 14.8 T4 = 14.95 T4 = 14.8