Research Article
A Hybrid Nondominant-Based Genetic Algorithm (NSGA-II) for Multiobjective Optimization to Minimize Vibration Amplitude in the End Milling Process
Table 5
ANOVA for response 2: channel 2 (worktable vibration).
| Source | Sum of squares | df | Mean square | F-value | value | |
| Model | 4.778E − 06 | 20 | 2.389E − 07 | 53.04 | <0.0001 | Significant | N | 2.204E − 07 | 1 | 2.204E − 07 | 48.94 | <0.0001 | | | 2.042E − 08 | 1 | 2.042E − 08 | 4.53 | 0.0567 | | | 1.838E − 07 | 1 | 1.838E − 07 | 40.80 | <0.0001 | | | 3.375E − 08 | 1 | 3.375E − 08 | 7.49 | 0.0193 | | γ | 1.504E − 07 | 1 | 1.504E − 07 | 33.40 | 0.0001 | | N | 2.256E − 07 | 1 | 2.256E − 07 | 50.09 | <0.0001 | | N | 3.306E − 07 | 1 | 3.306E − 07 | 73.40 | <0.0001 | | N | 5.625E − 09 | 1 | 5.625E − 09 | 1.25 | 0.2876 | | N γ | 1.563E − 08 | 1 | 1.563E − 08 | 3.47 | 0.0894 | | | 3.063E − 08 | 1 | 3.063E − 08 | 6.80 | 0.0244 | | | 1.563E − 08 | 1 | 1.563E − 08 | 3.47 | 0.0894 | | γ | 1.406E − 07 | 1 | 1.406E − 07 | 31.22 | 0.0002 | | | 5.256E − 07 | 1 | 5.256E − 07 | 116.70 | <0.0001 | | γ | 3.906E − 07 | 1 | 3.906E − 07 | 86.73 | <0.0001 | | γ | 1.806E − 07 | 1 | 1.806E − 07 | 40.10 | <0.0001 | | | 1.339E − 06 | 1 | 1.339E − 06 | 297.24 | <0.0001 | | | 2.867E − 07 | 1 | 2.867E − 07 | 63.65 | <0.0001 | | | 4.667E − 07 | 1 | 4.667E − 07 | 103.62 | <0.0001 | | | 1.700E − 07 | 1 | 1.700E − 07 | 37.75 | <0.0001 | | γ 2 | 1.188E − 07 | 1 | 1.188E − 07 | 26.37 | 0.0003 | | Residual | 4.955E − 08 | 11 | 4.504E − 09 | | | | Lack of fit | 2.121E − 08 | 6 | 3.535E − 09 | 0.6239 | 0.7103 | Not significant | Pure error | 2.833E − 08 | 5 | 5.667E − 09 | | | | Cor total | 4.827E − 06 | 31 | | | | |
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