A Novel Online Detection System for Wheelset Size in Railway Transportation

Table 1

Standard wheelset detection, the results of repeated measurements/mm.

Measurement times	Flange height		Flange width		Wheel diameter
	Old	New	Old	New	Old	New
1	28.04	28.16	31.98	32.08	839.76	839.79
2	28.11	28.21	32.06	32.01	839.96	840.15
3	27.99	28.15	32.01	32.04	840.08	839.86
4	28.05	28.18	31.85	32.10	839.88	840.43
5	28.08	28.16	31.93	32.02	840.01	840.04
6	28.11	28.10	32.06	32.14	839.98	840.46
Mean	28.06	28.16	31.98	32.06	839.95	840.12
SD	0.046	0.036	0.078	0.052	0.111	0.281