Parametric Optimization of Nd:YAG Laser Beam Machining Process Using Artificial Bee Colony Algorithm

Table 9

Single objective optimization results.

Optimization method	Response	Optimal value	Air pressure (kg/cm^2)	Lamp current (amp)	Pulse frequency (kHz)	Pulse width (%)	Cutting speed (rpm)
GA	𝑌uw	0.0024	1.73	18.25	1.39	3.62	21.48
	𝑌lw	0.0038	2.22	16.89	4.57	5.15	15.28
	𝑌𝑑	0.0037	1.68	23.50	1.75	7.60	17.25
PSO algorithm	𝑌uw	0.0014	1.73	14.85	2.78	9.35	17.79
	𝑌lw	0.0024	2.18	21.61	4.17	5.04	17.21
	𝑌𝑑	0.0022	1.93	17.20	4.00	8.40	24.50
ACO algorithm	𝑌uw	0.0007	1.70	19.51	1.74	8.11	19.45
	𝑌lw	0.0008	2.22	21.91	4.27	4.64	25.19
	𝑌𝑑	0.0006	1.85	20.20	2.67	9.26	23.00
ABC algorithm	𝑌uw	0.0002	2.22	23.56	4.74	2.00	20.54
	𝑌lw	0.0003	2.20	25.00	3.75	2.72	14.25
	𝑌𝑑	0.0003	0.30	25.00	1.10	2.35	18.30