Dynamic Characteristics Analysis of Vehicle Incorporating Hydraulically Interconnected Suspension System with Dual Accumulators

Table 2

Physical parameters of DHIS subsystem.

Symbol (unit)	Value	Description
p0 (Pa)	2.0 × 10^6	Precharged oil pressure
V10 (L)	0.35	Precharged gas volume in accumulator
V20 (L)	0.30	Precharged gas volume in accumulator
Aft (m^2)	0.0016	Cross area of front-top chamber
Afb (m^2)	0.0012	Cross area of front-bottom chamber
Art (m^2)	0.0016	Cross area of rear-top chamber
Arb (m^2)	0.0012	Cross area of rear-bottom chamber
Rvf (kg·s^−1·m^−4)	0.16 × 10^8	Damping coefficient of front valves
Rvr (kg·s^−1·m^−4)	0.16 × 10^8	Damping coefficient of rear valves
Rg1/Rg2 (kg·s^−1·m^−4)	1.0 × 10^8	Damping coefficient of valves adjacent to the accumulators G1/G2
Rg3/Rg4 (kg·s^−1·m^−4)	1.0 × 10^8	Damping coefficient of valves adjacent to the accumulators G3/G4