A Novel Online Detection System for Wheelset Size in Railway Transportation

Table 4

Real train test, wheel #3, the result of repeated measurement/mm.

Measurement times	Flange height		Flange width		Wheel diameter
	Old	New	Old	New	Old	New
1	27.90	27.90	29.78	29.99	801.95	801.59
2	28.06	27.97	29.97	30.02	801.81	801.74
3	28.02	27.90	29.91	30.05	801.96	801.48
4	27.99	27.90	29.98	30.09	801.78	801.48
5	28.00	27.87	29.94	30.15	801.95	801.94
6	27.86	27.90	29.96	30.06	801.78	801.74
Mean	27.97	27.91	29.92	30.06	801.87	801.66
SD	0.076	0.033	0.075	0.056	0.090	0.179