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Case study | Method | Optimal factors | Optimal responses |
Frequency (Hz) | Displacement (mm) | Stress (MPa) | MPCI |
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Case 1 | Hybrid of Taguchi method and fuzzy logic | D = 2.25 mm L3 = 8.5 mm L4 = 18.7 mm | Predicted: F1 = 24.4574 FEA: F1 = 26.283 ε = 6.94% | Predicted: F2 = 0.1691 FEA: F2 = 0.1772 ε = 4.57% | Predicted: F3 = 251.463 FEA: F3 = 259.42 ε = 3.06% | 0.510 |
Proposed hybrid approach of fuzzy-ANFIS-LAPO algorithm | D = 2.30 mm L3 = 8.5 mm L4 = 18.7 mm | Predicted: F1 = 26.592 FEA: F1 = 25.828 ε = 2.95% | Predicted: F2 = 0.1679 FEA: F2 = 0.1766 ε = 4.92% | Predicted: F3 = 253.847 FEA: F3 = 260.570 ε = 2.58% | 0.570 |
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Case 2 | Hybrid of Taguchi method and fuzzy logic | θ = 16.5o L1 = 7.7 mm L2 = 18.7 mm D = 2.25 mm | Predicted: F1 = 28.9482 FEA: F1 = 649.3 ε = 2.58% | Predicted: F2 = 0.1527 FEA: F2 = 0.1782 ε = 9.55% | Predicted: F3 = 7.9628 FEA: F3 = 7.8629 ε = 1.28% | 0.375 |
Proposed hybrid approach of fuzzy-ANFIS-LAPO algorithm | θ = 16.5o L1 = 8.0 mm L2 = 14.5 mm D = 2.5 mm | Predicted: F1 = 651.08 FEA: F1 = 682.8535 ε = 4.65% | Predicted: F2 = 0.1981 FEA: F2 = 0.1907 ε = 3.88% | Predicted: F3 = 4.4641 FEA: F3 = 4.288 ε = 4.10% | 0.517 |
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Case 3 | Hybrid of Taguchi method and fuzzy logic | L1 = 7.7 mm L3 = 10.1625 mm D = 2.25 mm | Predicted: F1 = 158.970 FEA: F1 = 27.175 ε = 484% | Predicted: F2 = 0.0957 FEA: F2 = 0.0443 ε = 116% | Predicted: F3 = 155.8 FEA: F2 = 86.112 ε = 80% | 0.496 |
Proposed hybrid approach of fuzzy-ANFIS-LAPO algorithm | L1 = 6.3793 mm L3 = 9.73 mm D = 2.25 mm | Predicted: F1 = 27.0063 FEA: F1 = 27.178 ε = 6.31% | Predicted: F2 = 0.2203 FEA: F2 = 0.2233 ε = 1.34% | Predicted: F3 = 332.8096 FEA: F2 = 343.3 ε = 0.03% | 0.611 |
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