环境技术
環境技術
배경기술
ENVIRONMENTAL TECHNOLOGY
2014年
3期
50-51,58
,共3页
路面不平度时域模型%傅里叶逆变换%谐波叠加%滤波白噪声
路麵不平度時域模型%傅裏葉逆變換%諧波疊加%濾波白譟聲
로면불평도시역모형%부리협역변환%해파첩가%려파백조성
time-domain model of road roughness%Fourier inverse transform%partial wave adding%filtered white noise
路面不平度是引起汽车系统振动的重要激励，路面不平度时域模型是研究公路运输平顺性的基础。本文根据国标GB/T 7031-2005中对路面不平的相关规定，研究讨论了路面不平度时域模型模拟常见的傅里叶逆变换法、谐波叠加法、滤波白噪声方法，对三种方法进行简单对比，并给出相应的实用范围。
路麵不平度是引起汽車繫統振動的重要激勵，路麵不平度時域模型是研究公路運輸平順性的基礎。本文根據國標GB/T 7031-2005中對路麵不平的相關規定，研究討論瞭路麵不平度時域模型模擬常見的傅裏葉逆變換法、諧波疊加法、濾波白譟聲方法，對三種方法進行簡單對比，併給齣相應的實用範圍。
로면불평도시인기기차계통진동적중요격려，로면불평도시역모형시연구공로운수평순성적기출。본문근거국표GB/T 7031-2005중대로면불평적상관규정，연구토론료로면불평도시역모형모의상견적부리협역변환법、해파첩가법、려파백조성방법，대삼충방법진행간단대비，병급출상응적실용범위。
Road roughness is one of the most important excitation to arise the vibration of a vehicle system. The time-domain model of road roughness is the basis of research in road comfort. In this paper, according to the provision of National standard GB/T 7031-2005 about road roughness, the common methods are discussed in detail to simulate time-domain model of road roughness, including Fourier inverse transform method, partial wave adding method, and filtered white noise method. Finally, simple comparison of them and relevant application field are listed.
