Research on Coupled Dynamic Model of Tracked Vehicles and Its Solving Method

Table 1

Main parameters of a certain type of tracked vehicle.

Parameters	Values
Mass of half vehicle /t	20
Moment of inertia /kg·m^2	115680.6
Damping coefficient of suspension /kN/(m/s)	5
Spring coefficient of suspension /kN/m	170
Pretensioning force /kN	40
Horizontal distance of road wheels’ mass centers from vehicle’s mass center /m	[]
Vertical distance of road wheels’ mass center from vehicle’s mass center /m	0.3
Horizontal distance of front idler’s and driving sprocket’s mass center from vehicle’s mass center /m
Vertical distance of front idler’s and driving sprocket’s mass center from vehicle’s mass center /m	−0.1
Width of a track /m	0.464
Length of a track /m	0.153
Radius of a road wheel /m	0.30
Pitch radius of the driving sprocket /m	0.25
Radius of a carrier wheel /m	0.1
Radius of a front idler /m	0.2
Distance between two road wheels/m	0.92