当前位置: X-MOL 学术Vehicle Syst. Dyn. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Whole-body vibration and vertical road profile displacement power spectral density
Vehicle System Dynamics ( IF 3.6 ) Pub Date : 2019-03-27 , DOI: 10.1080/00423114.2019.1595675
Peter Múčka 1 , George Juraj Stein 1 , Peter Tobolka 1
Affiliation  

ABSTRACT This study presents original new results on measured whole-body vibration (WBV) on passenger’s seat surface and seat base as a function of measured road unevenness in the longitudinal direction. Measurements were provided on nine different cars of six categories operated on about 1860 km of road network. Root mean square (RMS) of the frequency-weighted acceleration was used to quantify the WBV. The relation between passenger’s total vibration and road profile vertical displacement power spectral density (PSD) parameters (unevenness index, waviness) specified in standard ISO 8608: 2016 in a 200-m segment were estimated. Relation between ISO 2631-1 degrees of discomfort and ISO 8608 road classes was estimated. Measured acceleration at the passenger’s seat surface and seat base was fitted by a four-parameter function of unevenness index, waviness and vehicle speed. Further considered factors were vehicle type, road category, acceleration measuring point and direction of acceleration response.

中文翻译:

全身振动与垂直路面剖面位移功率谱密度

摘要 本研究展示了在乘客座椅表面和座椅底座上测量的全身振动 (WBV) 的原始新结果,作为测量的纵向道路不平整度的函数。对在大约 1860 公里的道路网络上运行的六类九种不同的汽车进行了测量。频率加权加速度的均方根 (RMS) 用于量化 WBV。估计了标准 ISO 8608: 2016 中规定的 200 米路段中乘客总振动与道路剖面垂直位移功率谱密度 (PSD) 参数(不平整度指数、波纹度)之间的关系。估计了 ISO 2631-1 不适度与 ISO 8608 道路等级之间的关系。乘客座椅表面和座椅底座的测量加速度由不平坦指数的四参数函数拟合,波纹度和车速。进一步考虑的因素是车辆类型、道路类别、加速度测量点和加速度响应方向。
更新日期:2019-03-27
down
wechat
bug