[Retracted] Dynamic Response of a Semiactive Suspension System with Hysteretic Nonlinear Energy Sink Based on Random Excitation by means of Computer Simulation

Table 2

Main parameters of half vehicle system coupling with the HNES model.

Parameter	Meaning of the symbols	Value and units
M3	Driver mass	65 kg
M2	Chassis mass	708 kg
Mf, Mr	Front/rear unsprung mass	80 kg
J	Chassis inertia	2700 kg·m^2
L1	Horizontal distance from chassis mass center to the front axle	1.011 m
L2	Horizontal distance from chassis mass center to the rear axle	1.803 m
L3	Horizontal distance from chassis mass center to the driver	0.779 m
U5	Driver vertical displacement	m
U4	Chassis vertical displacement	m
U3	Chassis pitching angle	rad
Uf, Ur	Vertical displacement of the front and rear axis	m
Kf2	Stiffness of connecting the chassis to the driver	23071 N/m
Kf, Kr	Stiffness of connecting chassis to the front and rear axle	1600 N/m
Ktf, Ktr	Stiffness of the front and rear tire	16000 N/m
Cf2	Damping coefficient connecting the chassis and driver	1500 N·s/m
Cf, Cr	Damping coefficient connecting chassis to front and rear axle	980 N·s/m
C1	Damping coefficient of the linear primary system	0.001 N·s/m
C2	Damping coefficient of the HNES attachments	0.01 N·s/m
m1	Mass of the linear primary system	1 kg
FBWf, FBWr	Force of the hysteretic restoring of the front/rear tire axle	N
KNL	Cubic nonlinear stiffness of the HNES attachment	1 N/m^3
KEL	Stiffness of the linear primary system	1 N/m
Uf2, Ur2	Front and rear tire displacements of the linear primary system	m