Research Article

Prediction of Welding Deformation and Residual Stress of a Thin Plate by Improved Support Vector Regression

Table 3

Experimental results.

Experiment numberVoltage (V)Current (A)Speed (mm/s)Plate thickness (mm)Transverse deformation(mm)Longitudinal deformation (mm)Residual stress (MPa)

125180530.5310.44161.35
225190640.4450.40369.78
325200750.3720.34479.67
425210860.3130.283217.08
527180650.4410.46365.78
627190560.3980.42162.23
727200830.3410.354117.36
827210740.3720.33376.27
929180760.4760.461265.80
1029190850.4550.411183.03
1129200540.5390.43170.23
1229210630.5180.38684.98
1331180840.4930.46389.23
1431190730.5480.45462.82
1531200660.5360.401283.97
1631210550.5790.385143.63
1725190530.5230.41289.67
1825210730.3290.312119.90
1927180840.4130.42392.27
2027200740.4020.37381.89
2129180550.4610.48974.56
2229210750.4400.345158.02
2331190860.5300.414325.09
2431210660.5350.368260.82