Table 1 The corresponding feature number and value range.

From: Prediction and optimization method for welding quality of components in ship construction

Feature number

Types of data features

Feature weight

1

Welding current/A

0.232

2

Inductance value/(H)

0.160

3

Welding gas flow/(L/min)

0.171

4

Welding gun angle/(rad)

0.136

5

Steel plate thickness/(mm)

0.088

6

Arc voltage/V

0.254

7

Welding wire diameter/(mm)

0.057

8

Welding speed/(mm/s)

0.173

9

Welding wire elongation/(mm)

0.144