A Novel Online Detection System for Wheelset Size in Railway Transportation

Table 2

Real train test, the mean and standard deviation value of detected measurement/mm.

Wheel number	Mean flange height		SD flange height		Mean flange width		SD flange width		Mean wheel diameter		SD wheel diameter
	Old	New	Old	New	Old	New	Old	New	Old	New	Old	New
1	28.18	28.03	0.046	0.060	29.54	29.43	0.091	0.062	800.52	801.50	0.201	0.301
2	28.09	28.11	0.078	0.040	29.40	29.29	0.056	0.028	801.12	800.96	0.128	0.286
3	27.97	27.91	0.076	0.033	29.92	30.06	0.075	0.056	801.87	801.66	0.090	0.179
4	28.07	28.05	0.063	0.053	29.83	29.88	0.076	0.088	801.78	802.01	0.192	0.282