液压互联消扭悬架系统研究

根据悬架约束最小化原理,提出一种液压互联消扭悬架系统,阐述了该系统的结构与原理,构建了液压互联消扭悬架系统模型及整车动力学模型,分析了各种工况下液压互联消扭悬架动态性能,设计液压互联消扭悬架原理样机,进行台架试验,仿真与试验结果基本一致。结果表明:与传统被动悬架相比,液压互联消扭悬架能有效抑制车身振动,控制了车身姿态,协调了车辆的行驶平顺性与安全性,提高了车辆极端路况的路面通过性能,消除了部分车身扭转载荷,并能实时控制车辆的转向特性。

Interconnected Hydraulic Torsion-elimination Suspension System

According to the principle of suspension constrained minimization, an interconnected hydraulic torsion-elimination suspension system was put forward. Firstly, the structure and principle of the system was introduced, the interconnected hydraulic torsion elimination suspension system was set up in the AMESim and the vehicle dynamic model was established with Matlab/Simulink. Co-simulation based on Matlab/Simulink and AMESim was carried out to analyze the dynamic performance of interconnected hydraulic torsion-elimination suspension system. The principle prototype of interconnected hydraulic torsion-elimination suspension system was designed and its bench test was performed. Simulation and experimental results were basically identical. The results showed that compared with the traditional passive suspension, interconnected hydraulic torsion-elimination suspension can effectively inhibit the body vibration, control the body posture and coordinate the vehicle riding comfort and safety, improve vehicle passing ability in extreme condition, eliminate part of the body torsion load and perform the real time control of vehicle steering characteristics.