Research Article
Prediction of Welding Deformation and Residual Stress of a Thin Plate by Improved Support Vector Regression
| Experiment number | Voltage (V) | Current (A) | Speed (mm/s) | Plate thickness (mm) | Transverse deformation(mm) | Longitudinal deformation (mm) | Residual stress (MPa) |
| 1 | 25 | 180 | 5 | 3 | 0.531 | 0.441 | 61.35 | 2 | 25 | 190 | 6 | 4 | 0.445 | 0.403 | 69.78 | 3 | 25 | 200 | 7 | 5 | 0.372 | 0.344 | 79.67 | 4 | 25 | 210 | 8 | 6 | 0.313 | 0.283 | 217.08 | 5 | 27 | 180 | 6 | 5 | 0.441 | 0.463 | 65.78 | 6 | 27 | 190 | 5 | 6 | 0.398 | 0.421 | 62.23 | 7 | 27 | 200 | 8 | 3 | 0.341 | 0.354 | 117.36 | 8 | 27 | 210 | 7 | 4 | 0.372 | 0.333 | 76.27 | 9 | 29 | 180 | 7 | 6 | 0.476 | 0.461 | 265.80 | 10 | 29 | 190 | 8 | 5 | 0.455 | 0.411 | 183.03 | 11 | 29 | 200 | 5 | 4 | 0.539 | 0.431 | 70.23 | 12 | 29 | 210 | 6 | 3 | 0.518 | 0.386 | 84.98 | 13 | 31 | 180 | 8 | 4 | 0.493 | 0.463 | 89.23 | 14 | 31 | 190 | 7 | 3 | 0.548 | 0.454 | 62.82 | 15 | 31 | 200 | 6 | 6 | 0.536 | 0.401 | 283.97 | 16 | 31 | 210 | 5 | 5 | 0.579 | 0.385 | 143.63 | 17 | 25 | 190 | 5 | 3 | 0.523 | 0.412 | 89.67 | 18 | 25 | 210 | 7 | 3 | 0.329 | 0.312 | 119.90 | 19 | 27 | 180 | 8 | 4 | 0.413 | 0.423 | 92.27 | 20 | 27 | 200 | 7 | 4 | 0.402 | 0.373 | 81.89 | 21 | 29 | 180 | 5 | 5 | 0.461 | 0.489 | 74.56 | 22 | 29 | 210 | 7 | 5 | 0.440 | 0.345 | 158.02 | 23 | 31 | 190 | 8 | 6 | 0.530 | 0.414 | 325.09 | 24 | 31 | 210 | 6 | 6 | 0.535 | 0.368 | 260.82 |
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