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	− −