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.

ParameterSymbolValue

Vehicle mass (kg)m1390
Sprung mass (kg)ms1210
Unsprung mass (kg)muj045
Spring stiffness (N/m)kj18000
Tire stiffness (N/m)ktj200000
Roll moment of inertia (kg·m2)Iθ390
Pitch moment of inertia (kg·m2)Iφ1920
Yaw moment of inertia (kg·m2)Iz2000
Height of the sprung mass center of gravity from the roll center (m)h0.3
Track width (m)bs1.48
Distance from vehicle center of gravity to the front axle (m)a1.13
Distance from vehicle center of gravity to the rear axle (m)b1.47
Discharge coefficientcd0.6
Liquid action areas of the rodless chamber (m2)A13.8 × 10−4
Liquid action areas of the rod chamber (m2)A23.5 × 10−4