Conflict and Sensitivity Analysis of Articulated Vehicle Lateral Stability Based on Single-Track Model

Table 1

Parameters and value in the single-track model.

Parameter	Symbol	Value	Unit
Vehicle mass of the front part		21000	kg
Vehicle mass of the rear part		53500	kg
Yawing moment inertia of the front part		42000	kg·m^2
Yawing moment inertia of the rear part		119000	kg·m^2
Front tire cornering stiffness		70000	N/rad
Rear tire cornering stiffness		150000	N/rad
Distance between the front axle and CG of the front part		−0.45	m
Distance between the articulation point and CG of the front part		2.13	m
Distance between the articulation point and CG of the rear part		2.31	m
Distance between the rear axle t and CG of the front part		−1.13	m
Comprehensive elastic modulus of the steering system		7 × 10^8	Pa
Mean volume of the cavities with and without the rod		0.0036	m^3
Areas of cavity cross section with rod		0.0095	m^2
Areas of cavity cross section without rod		0.0057	m^2