Steady-state response of fluid-structure interactions in hydraulic piping system of passive interconnected suspensions

Pressure changes in the liquid-filled fluid circuit of a hydraulically interconnected suspension (HIS) system can induce vibrations of the whole pipeline and the associated structure, and hence become a source of structural noise which degrades ride comfort. This paper presents a numerical and experimental investigation into the vibration of the hydraulic piping system of a passive interconnected suspension. The transfer matrix method (TMM) is used to develop a mathematical model, which consists of various pipe sections, hose sections, concentrated masses, spring supports, elbows, damper valves, and accumulators. Laboratory experiments are performed on two liquid-filled piping systems. The measured steady-state responses of the hydraulic circuits are compared with those obtained from numerical simulations of the developed model. It is found that the developed model of the hydraulic system has a reasonable accuracy in the frequency range of interest, and thus can be employed to optimise the design of the hydraulic system.

[1]  D N Johnston,et al.  Measurement of the longitudinal transmission characteristics of fluid-filled hoses , 1997 .

[2]  Tetsuya Iijima,et al.  Development of a Hydraulic Active Suspension , 1993 .

[3]  Wade A. Smith,et al.  An investigation into the dynamics of vehicles with hydraulically interconnected suspensions , 2009 .

[4]  D N Johnston,et al.  Simulation of the Pressure Ripple Characteristics of Hydraulic Circuits , 1989 .

[5]  S. Rakheja,et al.  PROPERTIES OF AN INTERCONNECTED HYDRO-PNEUMATIC SUSPENSION SYSTEM , 1995 .

[6]  D K Longmore,et al.  Transmission of Vibration and Pressure Fluctuations Through Hydraulic Hoses , 1991 .

[7]  Mohamad S. Qatu,et al.  Correlation of Hydraulic Circuit Dynamic Simulation and Vehicle , 2000 .

[8]  G. W. Walker,et al.  Interconnected vehicle suspension , 2005 .

[9]  Spilios D. Fassois,et al.  Non-linear dynamic modeling of an automobile hydraulic active suspension system , 1994 .

[10]  Carlos A. Mota Soares,et al.  Computational mechanics : solids, structures and coupled problems , 2006 .

[11]  D K Longmore,et al.  Relative Importance of the Various Vibration Transmitting Mechanisms in Hoses in Typical Hydraulic Systems , 1991 .

[12]  Josep Fontdecaba i Buj.  Integral Suspension System for Motor Vehicles Based on Passive Components , 2002 .

[13]  Eiichi Kojima,et al.  Wave propagation in fluids contained in finite-length anisotropic viscoelastic pipes , 1998 .

[14]  Nong Zhang,et al.  Determination of Modal Parameters of a Half-Car Fitted with a Hydraulically Interconnected Suspension from Simulated Free decay Responses , 2007 .

[15]  Dennis A. Guenther,et al.  Experimental evaluation of fishhook maneuver performance of a kinetic suspension system , 2005 .

[16]  D N Johnston,et al.  The Impedance Characteristics of Fluid Power Components: Relief Valves and Accumulators , 1991 .

[17]  Geoff Rideout,et al.  Experimental Testing and Mathematical Modeling of the Interconnected Hydragas Suspension System , 2003 .

[18]  D N Johnston,et al.  The Impedance Characteristics of Fluid Power Components: Restrictor and Flow Control Valves , 1991 .

[19]  J Zhao,et al.  A study of fluid structure interactions in hydraulic piping of passive interconnected suspensions , 2014 .

[20]  Nicholas Mace,et al.  Analysis and synthesis of passive interconnected vehicle suspensions , 2004 .

[21]  Matjaz Prek,et al.  Analysis of wave propagation in fluid-filled viscoelastic pipes , 2007 .

[22]  Paul D. Wilcox,et al.  A structural model for high pressure helical wire-wound thermoplastic hose , 2002 .