Research Article
Prediction of Surface Roughness in End Milling Process Using Intelligent Systems: A Comparative Study
Table 6
A comparison of measured and predicted surface roughness of the test data.
| Test no. | Parameters | | | | | Measured | RBFN | ANFIS (HL,FO) | GA (ZO) | | | | predicted | predicted | predicted |
| 1 | 750 | 9 | 0.01 | 109 | 103.98 | 95.78 | 109.18 | 2 | 750 | 9 | 0.05 | 95 | 82.96 | 82.36 | 73.63 | 3 | 750 | 15 | 0.03 | 122 | 124.15 | 116.79 | 122.78 | 4 | 750 | 15 | 0.05 | 104 | 105.94 | 96.93 | 112.12 | 5 | 750 | 21 | 0.01 | 178 | 183.14 | 187.44 | 176.66 | 6 | 750 | 21 | 0.03 | 163 | 159.31 | 161.19 | 161.39 | 7 | 750 | 21 | 0.05 | 150 | 143.67 | 148.65 | 149.19 | 8 | 1000 | 9 | 0.01 | 92 | 91.64 | 87.13 | 95.89 | 9 | 1000 | 15 | 0.03 | 108 | 105.85 | 96.46 | 106.78 | 10 | 1000 | 21 | 0.01 | 149 | 153.56 | 149.17 | 153.48 | 11 | 1000 | 21 | 0.03 | 145 | 135.09 | 141.20 | 136.73 | 12 | 1000 | 21 | 0.05 | 112 | 116.47 | 113.28 | 127.24 | 13 | 1250 | 15 | 0.01 | 106 | 112.68 | 104.36 | 112.46 | 14 | 1250 | 15 | 0.03 | 96 | 94.96 | 99.06 | 93.34 | 15 | 1250 | 21 | 0.01 | 125 | 133.28 | 135.37 | 127.79 | 16 | 1250 | 21 | 0.03 | 100 | 103.12 | 98.65 | 112.17 | 17 | 1250 | 21 | 0.05 | 105 | 105.84 | 108.58 | 107.48 | 18 | 1250 | 9 | 0.03 | 73 | 78.73 | 77.50 | 70.95 | 19 | 1500 | 15 | 0.01 | 106 | 103.49 | 101.79 | 105.17 | 20 | 1500 | 15 | 0.03 | 83 | 86.07 | 86.17 | 89.61 | 21 | 1500 | 15 | 0.05 | 99 | 97.27 | 98.47 | 92.45 | 22 | 1500 | 21 | 0.01 | 118 | 118.87 | 120.44 | 120.64 | 23 | 1500 | 21 | 0.03 | 102 | 93.04 | 94.37 | 105.34 | 24 | 1500 | 21 | 0.05 | 113 | 104.50 | 106.92 | 101.99 |
| RMSE% | | | | | 2.95% | 3.39% | 3.95% |
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