Protection and Control of Modern Power Systems

Table 1 Comparison of proposed SGWO with other techniques for unimodal benchmark test functions

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

F	SCA		PSO		GSA		GWO		SGWO
F	Avg.	Std. Dev	Avg.	Std. Dev	Avg.	Std. Dev	Avg.	Std. Dev	Avg.	Std. Dev
f₁	18.0038	42.5623	0.000136	0.000202	2.53E-16	9.67E-17	6.59E-28	6.34E-5	4.07E−32	1.510E-31
f₂	0.0178	0.0215	0.042144	0.045421	0.055655	0.194074	7.18E-17	0.029014	9.477E-20	1.239E-19
f₃	8.0222E3	5.8196E3	70.12562	22.11924	896.5347	318.9559	3.29E-06	7.91495E-5	8.97E-8	2.407E-7
f₄	34.5259	12.0554	1.086481	0.317039	7.35487	1.741452	5.61E-07	1.315088	9.78E-8	1.289E-7
f₅	1.0104E5	3.7340E5	96.71832	60.11559	67.54309	62.22534	26.81258	0.8028	26.7796	0.5535
f₆	18.8163	26.9175	0.000102	8.28E-05	2.5E-16	1.74E-16	0.816579	0.3437	0.9256	0.2949
f₇	0.1218	0.0995	0.122854	0.044957	0.089441	0.04339	0.002213	0.10028	0.0016	0.0009

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