Improved Gradient-Based Optimizer for Modelling Thermal and Hydropower Plants

Table 12

Optimized parameters and SAE of model 7.

Unit	Optimized parameters using IGBO					SAE (kg/h)
	e0	e1	e2	e3	e4	TLBO [26]	WOA [28]	GBO	IGBO
									Min	Max	STD
1	83.0081	−1.0142	0.0088	0.6551	0.2846	1.29921	6E − 5	2.82826E − 3	5.68434E − 14	6.01262E − 14	9.39957E − 16
2	51.2513	−0.6113	0.016	0.2965	0.019	0.879284	1E − 5	1.65027E − 5	2.60175E − 6	2.76326E − 6	4.55214E − 8
3	61.6652	−1.426	0.0112	0.454	0.0206	1.494093	1.1E − 4	4.85102E − 3	2.46675E − 5	2.72523E − 5	6.99256E − 7
4	49.2043	−0.7369	0.0088	0.5184	0.0177	0.82333	9.95E − 6	8.40092E − 6	5.987E − 6	6.4452E − 6	1.26104E − 7
5	39.9759	−0.8078	0.0131	0.4895	0.0204	0.676372	9E − 5	1.46309E − 5	7.03012E − 6	7.68109E − 6	1.91461E − 7