Optimization and Design of a Railway Wheel Profile Based on Interval Uncertainty to Reduce Circular Wear

Table 9

Safety and stability evaluation indicators.

Dynamics index		Derailment coefficient		Load reduction rate		Lateral force/kN
		Left wheel	Right wheel	Left wheel	Right wheel	Left wheel	Right wheel
Limit		<0.80		<0.80		<180
Optimal	Maximum value	0.43	0.67	0.47	0.56	10.34	66.99
Profile	Mean value	0.33	0.42	0.38	0.45	7.26	43.67
Standard	Maximum value	0.53	0.74	0.45	0.58	20.44	56.51
Profile	Mean value	0.35	0.36	0.37	0.45	9.78	42.90