摘要
道路谱是研究路面不平度的重要手段与方法。通过对道路谱的研究,可以改善汽车行驶的平顺性,提高汽车的可靠性及操纵稳定性等。现有的ISO/TC108 SC2N67与GB/T 4970-1996存在着路面不平度分级范围过广,可用分级覆盖率低,功率谱拟合表达式及等级划分方法与现有路面铺装状况不相符,路面不平度的采集处理精度过低等问题。现在道路谱研究已经朝着路面不平度重构,室内道路模拟实验及虚拟车辆试验,开发高精度的路面采集设备,对路面不平度进行高精度的处理等方向发展。
Road spectrum is an important means and method of studying road roughness. On the research of the road spectrum, the car riding comfort, the reliability of the ear and the handling stability, and so on can he improved. ISO/TC108 SC2N67 and GB/T 4970--1996 exist many questions： too broad road roughness classification and too narrow available; unreasonable power spectrum fitting expression and classification; low precision of approach to deal with road roughness. Now the road spectrum studies towards：reconstructed road roughness, road indoor simulation and virtual vehicle test; the development of high-precision equipments to acquire road conditions; the high-precision processing of the road roughness, and so on.
出处
《公路》
北大核心
2009年第11期107-110,共4页
Highway
基金
国家高技术研究发展计划(863计划)
项目编号2006AA110116
关键词
道路谱
路面不平度
谱估计
road spectrum
road roughness
spectrum evaluation
