Table 5 Optimization techniques with PID controller poles and damping ratios.

From: Enhancement of AVR system performance by using hybrid harmony search and dwarf mongoose optimization algorithms

Optimization method

Phase Margin (degrees)

Peak Margin (dB)

Delay margin (degrees)

Bandwidth (Hertz)

HS-DMOA-PID

166.9364

1.5382

1.6706

8.603

HSA-PID6

58.3

3.54

0.0525

22.1

LUS-PID6

59.6

3.41

0.0553

21.9

TLBO-PID6

59.5

3.42

0.0553

22

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