Research Article
Estimation of Optimum Dilution in the GMAW Process Using Integrated ANN-GA
| Trial no. | Design matrix | | | | | Ac |
| 1 | −1 | −1 | −1 | −1 | 1 | 2 | 1 | −1 | −1 | −1 | −1 | 3 | −1 | 1 | −1 | −1 | −1 | 4 | 1 | 1 | −1 | −1 | 1 | 5 | −1 | −1 | 1 | −1 | −1 | 6 | 1 | −1 | 1 | −1 | 1 | 7 | −1 | 1 | 1 | −1 | 1 | 8 | 1 | 1 | 1 | −1 | −1 | 9 | −1 | −1 | −1 | 1 | −1 | 10 | 1 | −1 | −1 | 1 | 1 | 11 | −1 | 1 | −1 | 1 | 1 | 12 | 1 | 1 | −1 | 1 | −1 | 13 | −1 | −1 | 1 | 1 | 1 | 14 | 1 | −1 | 1 | 1 | −1 | 15 | −1 | 1 | 1 | 1 | −1 | 16 | 1 | 1 | 1 | 1 | 1 | 17 | −2 | 0 | 0 | 0 | 0 | 18 | 2 | 0 | 0 | 0 | 0 | 19 | 0 | −2 | 0 | 0 | 0 | 20 | 0 | 2 | 0 | 0 | 0 | 21 | 0 | 0 | −2 | 0 | 0 | 22 | 0 | 0 | 2 | 0 | 0 | 23 | 0 | 0 | 0 | −2 | 0 | 24 | 0 | 0 | 0 | 2 | 0 | 25 | 0 | 0 | 0 | 0 | −2 | 26 | 0 | 0 | 0 | 0 | 2 | 27 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 31 | 0 | 0 | 0 | 0 | 0 | 32 | 0 | 0 | 0 | 0 | 0 |
|
|
: welding current; : welding speed; : contact tip to work distance; : welding gun angle; Ac: pinch.
|