基于VPG的汽车平顺性仿真

2010 Third International Conference on Intelligent Networks and Intelligent Systems Pub Date : 2010-11-01 DOI:10.1109/ICINIS.2010.14

K. Chen, Jie Ying Gao

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引用次数: 1

摘要

应用虚拟试验场(VPG)技术对汽车平顺性进行仿真。在VPG下建立了车辆虚拟仿真和随机路面的多体动力学模型。利用LS-DYNA获得了车身加速度的时域曲线和频域功率谱。采用均方根法评价了车辆平顺性的总加权加速度。通过改变悬架刚度和阻尼参数，分析了悬架系统对车辆平顺性的影响。仿真结果表明，基于VPG的车辆平顺性仿真能够真实反映试验工况，仿真结果准确可靠。

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Simulation of Vehicle Ride Comfort Based on VPG

Virtual proving ground (VPG) technology is applied to simulate vehicle ride comfort. The multi-body dynamics model for vehicle virtual simulation and random road surface are established under VPG. The body acceleration time-domain curves and frequency-domain power spectrums are obtained by LS-DYNA. Total weighted acceleration of vehicle ride comfort is evaluated by root-mean-square method. The effects of suspension system on the vehicle ride comfort are analyzed by changing stiffness and damper parameters of suspension. Simulation results show that simulation of vehicle ride comfort based on VPG can truly reflect real test condition , and results achieved are accurate and reliable.

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来源期刊

2010 Third International Conference on Intelligent Networks and Intelligent Systems

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