Research Article
A New Physical Parameter Identification Method for Two-Axis On-Road Vehicles: Simulation and Experiment
Table 1
The physical parameters of a 7-DOF vehicle model.
| Notation | Description | Values | Units |
| | Sprung mass | 1380 | kg | | Sprung mass inertia of the pitch | 2440 | kg⋅m2 | | Sprung mass inertia of the roll | 380 | kg⋅m2 | | Unsprung mass of the front | 40.5 | kg | | Unsprung mass of the rear | 45.4 | kg | | Suspension stiffness of the front | 17000 | N/m | | Suspension stiffness of the rear | 22000 | N/m | | Tire stiffness of the front | 192000 | N/m | | Tire stiffness of the rear | 192000 | N/m | | Suspension damping coefficient of the front | 1500 | N⋅s/m | | Suspension damping coefficient of the rear | 1500 | N⋅s/m | | Distance from the sprung mass CG to the front axle | 1.25 | m | | Distance from the sprung mass CG to the rear axle | 1.51 | m | | Half width of the front axle | 0.74 | m | | Half width of the rear axle | 0.74 | m |
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