Open Access

## Table 16.

Multi-objective solutions with different values of weighting factors (C1, C2, and C3) based on S/N ratios.

S/N ratio response values
No. Values of weighting factors (C1, C2, C3) X* F* = [C1·F1*, C2·F2*, C3·F3*]
1 C1 = C2 = C3 = 0.333333 (0.042, 6, 50, 0.99) (40.38, 4.77, 0.25)
2 C1 = 0.2, C2 = 0.3, C3 = 0.5 (0.050, 6, 51.36, 1) (06.90, 4.34, 0.01)
3 C1 = 0.3, C2 = 0.5, C3 = 0.2 (0.022, 6, 50, 0.99) (9.54, 6.98, 0.711)
4 C1 = 0.5, C2 = 0.2, C3 = 0.3 (0.027, 6, 50, 0.99) (16.11, 2.81, 0.82)
5 C1 = 0.3, C2 = 0.4, C3 = 0.3 (0.037, 6.00, 50, 1) (09.91, 5.69, 0.40)
6 C1 = 0.4, C2 = 0.3, C3 = 0.3 (0.033, 5.97, 50, 1) (13.10, 4.23, 0.55)
7 C1 = 0.3, C2 = 0.3, C3 = 0.4 (0.049, 6.00, 50, 1) (10.22, 4.34, 0.04)
8 C1 = 0.4, C2 = 0.2, C3 = 0.4 (0.045, 5.99, 50, 1) (13.49, 2.87, 0.18)
9 C1 = 0.2, C2 = 0.4, C3 = 0.4 (0.050, 5.64, 50, 1) (06.97, 5.63, 0.04)
10 C1 = 0.4, C2 = 0.4, C3 = 0.2 (0, 6.00, 50.00, 0.5) (11.95, 5.14, 1.62)

Where X* denotes optimum values for selected control parameters. F* denotes optimum response value for each objective function. C1 denotes weighting factor for MRR objective function. C2 denotes weighting factor for Ra objective function. C3 denotes weighting factor for EWR objective function.

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