Research Article

Mathematical Modeling of Multiple Quality Characteristics of a Laser Microdrilling Process Used in Al7075/SiCp Metal Matrix Composite Using Genetic Programming

Table 5

Comparison between experimental and predicted values of spatter at R2 = 99.3.

No.PP (W) ()PF (Hz) ()AGP (kg/cm2) ()PW (ms) ()Spatter (mm)Error %
ExperimentalGP

1220220100.40.0555.49E − 020.00013
2230220110.60.0444.42E − 02−0.00018
3210250120.60.0444.34E − 020.000648
4240220120.30.0434.32E − 02−0.00022
523024080.30.044.36E − 02−0.00365
6210230100.30.0424.21E − 02−7.3E − 05
7250240100.20.0656.50E − 023.18E − 05
8230230120.20.0434.31E − 02−7.8E − 05
924024090.60.0727.16E − 020.000406
10230220110.20.0454.50E − 02−1.6E − 05
1125023090.20.0686.82E − 02−0.00024
12220240120.60.0525.23E − 02−0.00028
13210250120.50.0434.29E − 026.36E − 05
1422021090.40.0595.94E − 02−0.00045
1521022090.20.04450.0441010.000399
16220240120.20.055.02E − 02−0.00019
17230210100.50.0727.03E − 020.001661
1823024080.40.0716.97E − 020.001265
19240210110.20.0565.54E − 020.000566
2023025090.50.0747.25E − 020.001524
2124023080.40.0750.0645220.010478
2222025080.30.0740.0715460.002454
23250210120.50.0465.18E − 02−0.00581
24210240110.40.0434.20E − 020.000993
25230210100.60.0495.21E − 02−0.00307
26250250110.30.0655.50E − 020.010003
27210230100.40.044.28E − 02−0.00277
2821021080.60.0430.0422770.000723
29210240110.50.0450.0446480.000352
30220230110.60.0575.40E − 020.003045
31240220120.40.0424.29E − 02−0.00093
32240250100.20.0666.64E − 02−0.00042
33230230120.30.0414.27E − 02−0.00171
3423025090.40.0696.84E − 020.000556