Research Article
A Novel Prediction Model for Car Body Vibration Acceleration Based on Correlation Analysis and Neural Networks
Table 1
Main parameters of track inspection and test accuracy of the inspection vehicle.
| Test items | Accuracy | Range |
| Gauge | mm | 1420~1480 mm | Rail direction (left & right, ) | mm | mm | Rail direction (left & right, ) | mm | mm | Height (left & right, ) | mm | mm | Height (left & right, ) | mm | mm | Horizon | mm | mm | Super elevation | mm | mm | Triangle pit | mm | mm | Curve | m-1 | − − | Body acceleration | g | g | Rail bottom slope | deg | − − | Rail cross section (left & right) | mm | − − |
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