Research on Modeling of Hydropneumatic Suspension Based on Fractional Order

Table 5

Settings of the simulation parameters.

Parameters	Values
Sprung mass	2957 kg
Gravitational acceleration	9.8 m/s^2
Diameter of cylinder piston	0.08 m
Volume of accumulator	0.0014 m^3
Precharge of accumulator	5 × 10^6 Pa
Air polytropic exponent
Lever ration of suspension
Flow coefficient
Density of oil	900 kg/m^3
Diameter of throttle	0.008 m
Diameter of relief valve	0.007 m
Maximum opening of relief valve	0.0025 m
Spring preloads of relief valve	0.005 m
Spring stiffness of relief valve	1.2 × 10^4 N/m