Research Article
HIS-Based Semiactive Suspension Dual-Frequency-Range Switching Control to Improve Ride Comfort and Antiroll Performance
Table 4
Parameter values for the HIS-based semiactive control suspension.
| Parameter | Symbol | Value |
| Vehicle mass (kg) | m | 1390 | Sprung mass (kg) | ms | 1210 | Unsprung mass (kg) | muj0 | 45 | Spring stiffness (N/m) | kj | 18000 | Tire stiffness (N/m) | ktj | 200000 | Roll moment of inertia (kg·m2) | Iθ | 390 | Pitch moment of inertia (kg·m2) | Iφ | 1920 | Yaw moment of inertia (kg·m2) | Iz | 2000 | Height of the sprung mass center of gravity from the roll center (m) | h | 0.3 | Track width (m) | bs | 1.48 | Distance from vehicle center of gravity to the front axle (m) | a | 1.13 | Distance from vehicle center of gravity to the rear axle (m) | b | 1.47 | Discharge coefficient | cd | 0.6 | Liquid action areas of the rodless chamber (m2) | A1 | 3.8 × 10−4 | Liquid action areas of the rod chamber (m2) | A2 | 3.5 × 10−4 |
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