Influence of Wheel Eccentricity on Vertical Vibration of Suspended Monorail Vehicle: Experiment and Simulation

Table 2

Main parameters of the vehicle.

Parameters	Value	Units
Axle load	4000	kg
Bogie distance	5900	mm
Driving wheel base	1500	mm
Guiding wheel base	2900	mm
Driving wheel radius	270	mm
Mass of car body	7500	kg
Mass of bogie	1000	kg
Vertical stiffness of driving wheel	3.0	MN/m
Vertical stiffness of guiding wheel	1.8	MN/m
Secondary stiffness -axis (one side)	1.0	MN/m
Secondary damper -axis (one side)	30	kN⋅s/m
lateral damper	30	kN⋅s/m