Comparison of RSM-predicted, ANN predicted and experimental results at RSM-based optimal parametric setting.
|Expt.||Experimental results||RSM predicted results||ANN predicted results||Percentage of prediction error in RSM approach||Percentage of prediction error in ANN approach|
|Nearer feasible setting of RSM predicted optimal parametric setting||Surface roughness, Ra = 5.91 µm||Surface roughness, Ra = 5.63 µm||Surface roughness, Ra = 5.72 µm||4.74||3.21|
|(Avg. power = 7.81 watt; Pulse Freq. = 5600 Hz; Rotating sp. = 436 rpm; Air press. = 0.30 kg-cm−2; Y feed rate = 0.443 mm/s)||Turning depth deviation = 0.00021 mm||Turning depth deviation = −0.00020 mm||Turning depth deviation = 0.000203 mm||4.76||3.33|
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