Research Article
Optimization and Design of a Railway Wheel Profile Based on Interval Uncertainty to Reduce Circular Wear
Table 7
Comparison of wheel profile parameters’ effect on wear.
| | Profile number | Standard profile | Optimal sample | Optimal profile |
| | Independent variable (mm) | s1 | 14.00 | 14.20 | 14.20 | | s2 | 100.00 | 110.00 | 110.00 | | s3 | 9.56 | 10.00 | 9.23 | | s4 | 29.15 | 29.20 | 29.20 |
| | Travelled mileage (km) | Predicted value | — | — | 69652 | | Simulation value | 42544 | 68151 | 69151 |
| | Wear rate (mm/km) | Predicted value | — | — | 6.46 × 10−6 | | Simulation value | 1.06 × 10−5 | 6.60 × 10−6 | 6.51 × 10−6 | | Operation ratio (%) | | — | 60.19 | 62.54 |
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