Improved Gradient-Based Optimizer for Modelling Thermal and Hydropower Plants

Table 10

Optimized parameters and SAE of model 5.

Unit	Optimized parameters using IGBO						SAE (GJ/h)
	a0	a1	a2	a3	a4	a5	RMO [24]	TLBO [26]	WOA [28]	GBO	IGBO
											Min	Max	STD
1	550.0	8.0909	2.7903E − 4	4.9979E − 8	303.44	0.03499	1.458405	1.517337	5.0278	0.10864	0.0167694	0.0185041	4.89406E − 4
2, 3	309.0	8.1001	5.5972E − 4	8.1159E − 8	199.99	0.042	0.591484	0.739317	1.5054	0.139441	0.00727068	0.00806599	2.17061E − 4
4–9	239.99	7.7405	3.2348E − 3	1.2692E − 7	150.0	0.063	0.417817	0.462576	0.8884	0.021618	0.00636345	0.0068679	1.43248E − 4
10, 11	126.0	8.6002	2.8365E − 3	2.4951E − 7	100.0	0.084	0.862112	1.080832	0.6202	0.0126923	0.00939278	0.0103507	2.66941E − 4
12, 13	125.99	8.6005	2.8322E − 3	2.6605E − 7	100.0	0.084001	0.783193	0.799582	0.4079	0.138205	0.0116718	0.0126936	2.84544E − 4