Research Article
Dynamic Characteristics Analysis of Vehicle Incorporating Hydraulically Interconnected Suspension System with Dual Accumulators
Table 1
Physical parameters of vehicle.
| | Symbol (unit) | Value | Description |
| | ms (kg) | 1310 | Sprung mass | | Ixx (kg·m2) | 560 | Roll inertia of sprung mass | | Iyy (kg·m2) | 1670 | Pitch inertia of sprung mass | | Izz (kg·m2) | 2370 | Yaw inertia of vehicle | | muf (kg) | 63 | Unsprung mass in front axle | | mur (kg) | 57 | Unsprung mass in rear axle | | Iuyy (kg·m2) | 10 | Rotation inertia of tyre | | csf (N·s·m−1) | 2000 | Damping coefficient of front suspension | | csr (N·s·m−1 | 2200 | Damping coefficient of rear suspension | | ksf (N·m−1) | 36000 | Spring stiffness of front suspension | | ksr (N·m−1) | 39000 | Spring stiffness of rear suspension | | ctf (N·s·m−1) | 100 | Damping coefficient of front tyre | | ctr (N·s·m−1) | 100 | Damping coefficient of rear tyre | | ktf (N·m−1) | 240000 | Front tyre stiffness | | ktr (N·m−1) | 240000 | Rear tyre stiffness | | lf (m) | 1.15 | Length from CG to front axle | | lr (m) | 1.53 | Length from CG to rear axle | | tf (m) | 0.78 | Half-track width in front axle | | tr (m) | 0.78 | Half-track width in rear axle | | hos (m) | 0.43 | Height from vehicle rolling center to CG of sprung mass | | hoc (m) | 0.11 | Height from vehicle rolling center to chassis bottom | | isw (1) | 25.0 | Steering ratio |
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