Journal of Engineering / 2013 / Article / Tab 3

Research Article

Estimation of Optimum Dilution in the GMAW Process Using Integrated ANN-GA

Table 3

Design matrix.

Trial no.Design matrix
Ac

1−1−1−1−11
21−1−1−1−1
3−11−1−1−1
411−1−11
5−1−11−1−1
61−11−11
7−111−11
8111−1−1
9−1−1−11−1
101−1−111
11−11−111
1211−11−1
13−1−1111
141−111−1
15−1111−1
1611111
17−20000
1820000
190−2000
2002000
2100−200
2200200
23000−20
2400020
250000−2
2600002
2700000
2800000
2900000
3000000
3100000
3200000

: welding current; : welding speed; : contact tip to work distance; : welding gun angle; Ac: pinch.

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