Research Article
Entropy-Based Weighting for Multiobjective Optimization: An Application on Vertical Turning
Table 3
Mathematical models for the objective functions [
8].
| Terms | Life of cutting tool | Productivity | Cost | (mm) | (part/h) | (US$/part) |
| Constant | 3,003 | 1,713 | 0.03626 | Feed | 83 | 90 | −0.00293 | Rotation | −366 | 75 | 0.00054 | Feed Feed | −638 | −15 | 0.00476 | Rotation Rotation | −300 | −8 | 0.00200 | Feed Rotation | −263 | −5 | 0.00236 | MSE | | 12.9 | | value | 0.003 | 0.000 | 0.000 | Regression (full quadratic) | 0.000 | 0.000 | 0.000 | Lack of fit | 0.926 | 0.136 | 0.279 | Adjusted (%) | 91.10% | 99.90% | 94.30% | Normality of residuals | 0.600 | 0.511 | 0.552 |
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