Optimization and Performance Analysis of Rail-Train Coupling System with Inerters

Table 3

Parameters of the train model.

Symbol	Parameter	Unit	Nominal value
mc	Vehicle body mass	kg	38500
mt	Bogie frame mass	kg	2980
	Wheelset mass	kg	1350
Jc	Vehicle pitch inertia	kg·m^2	2.446 × 10^6
Jt	Bogie pitch inertia	kg·m^2	3605
Kpz	Primary suspension stiffness per axle box	N/m	2.14 × 10^6
Ksz	Secondary suspension stiffness	N/m	2.535 × 10^6
Cpz	Primary suspension damping per axle box	N·s/m	4.9 × 10^4
Csz	Secondary suspension damping	N·s/m	1.96 × 10^5
lc	Semilongitudinal spacing of vehicle	m	8.4
lt	Semilongitudinal spacing of bogie	m	1.2
R	Wheel radius	m	0.4575