Comparative Study on EDM Parameter Optimization for Adsorbed Si₃N₄–TiN using TOPSIS and GRA Coupled with TLBO Algorithm

Table 13

Comparison of various optimization techniques.

S. no	Output parameters	Taguchi	GRA	TOPSIS	TLBO
	GRG	—	0.75302	0.90578	0.73367
	Setting level	—	I: 12 amps	I: 12 amps	I: 12 amps
			PON: 7 μsec	PON: 7 μsec	PON: 8.89 μsec
			POFF: 4 μsec	POFF: 4 μsec	POFF: 7.09 μsec
			DP: 12 kg/cm^2	DP: 12 kg/cm^2	DP: 14.04 kg/cm^2
			SV: 36 volts	SV: 36 volts	SV: 28 volts
			()	()
1	MRR (g/min)	0.00440	0.00219	0.00219	0.00576
2	EWR (g/min)	0.00032	0.00058	0.00058	0.00186
3	SR (μm)	0.56	0.77	0.77	0.96
4	ROC (mm)	0.06	0.15	0.15	0.18
5	θ (deg)	0.0210	0.1098	0.1098	0.0869
6	CIR (mm)	0.0111	0.0309	0.0309	0.0215
7	CYL (mm)	0.0094	0.0120	0.0120	0.0167