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Table 9 Percentage change in J value under sensitivity analysis

From: Application of a simplified Grey Wolf optimization technique for adaptive fuzzy PID controller design for frequency regulation of a distributed power generation system

System Parameter

Perturbation

J value

% change

KFESS

Increase 70%

7.5708

−2.61

Decrease 70%

8.0085

3.016

TFESS

Increase 90%

7.7855

0.135

Decrease 90%

7.7659

−0.104

KBESS

Increase 70%

7.2254

−7.05

Decrease 70%

8.5569

10.07

TBESS

Increase 90%

7.8078

0.434

Decrease 90%

7.7631

−0.1402

M

Increase 50%

7.0220

−9.67

Decrease 50%

8.0557

3.62

D

Increase 50%

7.5342

−3.084

Decrease 50%

7.8084

0.44