A Novel Online Detection System for Wheelset Size in Railway Transportation

Table 3

Real train test, wheel #2, the result of repeated measurement/mm.

Measurement times	Flange height		Flange width		Wheel diameter
	Old	New	Old	New	Old	New
1	27.98	28.15	29.42	29.31	801.07	801.40
2	28.14	28.11	29.36	29.31	801.06	800.97
3	28.12	28.13	29.47	29.24	801.27	800.53
4	28.10	28.12	29.31	29.29	801.06	800.87
5	28.00	28.03	29.39	29.28	800.96	800.96
6	28.18	28.11	29.39	29.32	801.28	801.10
Mean	28.09	28.11	29.40	29.29	801.12	800.96
SD	0.078	0.040	0.056	0.028	0.128	0.286