Research Article

Quality Prediction and Control of Assembly and Welding Process for Ship Group Product Based on Digital Twin

Table 4

Comparison of the predicted value and the actual value of welding deformation.

Experiment numberActual value (mm)Predicted value (mm)Error (mm)

11.4771.480-0.003
21.1491.191-0.042
31.0871.0100.077
40.6240.642-0.018
50.4620.468-0.006