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Table 2 Comparative study of various controllers for case 1 & 2

From: Robust frequency control in a renewable penetrated power system: an adaptive fractional order-fuzzy approach

Controller Case 1 Case 3 at T = 150 s
For a load disturbance Wind power disturbance
Peak Under shoot (Hz) Settling Time (sec) Peak Over shoot (Hz) Settling Time (sec) Peak Overshoot Settling Time (sec)
TLBO-PID −0.0235 20 0.024 21 0.0115 18
FO-TLBO-PID −0.021 16 0.021 16 0.01 14
Fuzzy-PID −0.005 15 0.0045 15 0.0022 10
FO-Fuzzy-PID −0.0025 11 0.0025 11 0.001 5
Adaptive FO-Fuzzy-PID −0.001 5 0.001 5 0.0005 3