Prototyping design and experimental validation of membranous dual-cavity based amplitude selective damper

Zhang, Yuxin; Guo, Konghui; Li, Shengbo Eben; Shao, Xiong; Zheng, Meiyu

doi:10.1016/j.ymssp.2016.02.018

Cited by 10 publications

(2 citation statements)

References 17 publications

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“…The damping force is generated by a small hole throttling effect and the pressure loss through the valve is nonlinear. The flow of the damping valve can be expressed as follows [26][27][28][29][30][31]…”

Section: Sdahis System Modelmentioning

confidence: 99%

A comfort performance improved anti-pitch hydraulically interconnected suspension system with switchable dual accumulators

Wang

Zheng

Zhang

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part D:

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This paper introduces a novel switchable dual accumulators hydraulically interconnected suspension (SDAHIS) system. The proposed SDAHIS system can improve the ride comfort and anti-pitch performances simultaneously compared with the existing anti-pitch hydraulically interconnected suspension (HIS) system. The SDAHIS system uses a two-way valve for accumulators switching. The developed SDAHIS system achieve the function by controlling the connection of the two switchable accumulators. To comprehensively study the proposed system, the SDAHIS system model and the seven-DOF vehicle model are established. The model of the SDAHIS system is validated by the bench test. The simulation results of the full vehicle with the proposed SDAHIS system show that the anti-pitch and ride comfort performances are simultaneously improved. This research further exploits the potential of the HIS system which can help to better design the suspension system.

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Section: Sdahis System Modelmentioning

confidence: 99%

A comfort performance improved anti-pitch hydraulically interconnected suspension system with switchable dual accumulators

Wang

Zheng

Zhang

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part D:

View full text Add to dashboard Cite

show abstract

“…Czop 11 formulated, derived and validated the first-principle non-linear model, investigated structural vibrations on the dynamical interactions between mounting elements, valve systems and the hydraulic actuator of the shock absorber, and captured dynamical characteristic on a wide operating range. Zhang 12 elaborated the working principle of membranous dual-cavity based on amplitude sensitive damper (MASD), its dynamic model was derived by combining first-principle modeling of hydraulic components and empirical modeling of membranous valve. At the same time, the influence of the piston and pattern valve construction was analyzed on the dynamic damping.…”

Section: Introductionmentioning

confidence: 99%

Effect of piston texture at inclination and eccentricity work conditions on damping characteristics of a hydraulic shock absorber

Zhang

Meng³

et al. 2022

Sci Rep

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In order to accurately predict the damping characteristics of a hydraulic shock absorber under piston inclination and eccentricity conditions, especially, considering effects of piston surface construction. In present work, taking account of piston slight inclination and eccentricity, a more detailed mathematical model was developed to estimate effects of piston texture on damping characteristics. Based on the mathematical models of reservoir and compression stroke coupled with Reynolds equation, a new damping force model was developed, which analyzed effects of piston structure on damping characteristics. The mathematical models of piston texture, piston slight inclination, piston eccentricity and combinations of three cases are developed to analyzed in detailed effects of piston texture at different work conditions on damping characteristics. The results shown that the friction force of piston increases parabolically with increasing depth ratio, and that of piston increases linearly with increasing area ratio. Piston textures have little effects on damping characteristics at specific structural parameters conditions when piston normal operation, however, textures of slight inclined and eccentric piston have great effects. As a result, piston textures might cause high damping force, destroyed comfort and safety. Therefore, it is necessary that effects of piston surface construction were precisely predicted on damping characteristics under different work conditions. The results might provide a new insight for the design of hydraulic shock absorber and investigation of vehicle system dynamics.

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Dynamic Characteristics Analysis of a Novel Displacement-Sensitive Anti-pitch Hydraulically Interconnected Suspension and the Corresponding Full Car

Wang

Zheng

Zhang

et al. 2023

J. Vib. Eng. Technol.

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Prototyping design and experimental validation of membranous dual-cavity based amplitude selective damper

Cited by 10 publications

References 17 publications

A comfort performance improved anti-pitch hydraulically interconnected suspension system with switchable dual accumulators

A comfort performance improved anti-pitch hydraulically interconnected suspension system with switchable dual accumulators

Effect of piston texture at inclination and eccentricity work conditions on damping characteristics of a hydraulic shock absorber

Dynamic Characteristics Analysis of a Novel Displacement-Sensitive Anti-pitch Hydraulically Interconnected Suspension and the Corresponding Full Car

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