典型路面不平度研究

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中圖分類號： U467.1+1 收稿日期：2025-02-20 DOI： 10.19999/j.cnki.1004-0226.2025.05.013

Research on Typical Road Surface Roughness

Wang Xudong Liu ZunyongGuo Xin Xia Yu Shaanxi Automobile Group Co.，Ltd.，Xi'an 710200，China

Abstract：Researchonroadcharacteristicsisoftenoverlookedinautomotivestudies，despite thefactthatfactorssuchascompo nentfatiguedamage，pasengercomfort，andvehicleperformanceoriginatefromroadexcitation.China'snewGBl2678standardhas， forthefirstim，emphasiedthenecesityoflinkingreliabilitytestingtoal-worduseroadconditions.ispaperintegratestheoad classificationframeworksoutliedinSO808andGB/T731.heweeubaelerationsigalsarecoetedfromaspiicveicle modelonhig-traficoutesinXi'an.Thedataisconvertedintopowerspectraldensity（PSD）andRMSvaluestoeterinethelasifcation of different road surfaces.

Keywords：Road SurfaceRoughness;Powerspectral density;Classificatio1

1前言

路面不平度是對路面客觀的評價指標，在車輛行駛過程中影響到駕乘舒適性及各部件耐久性，研究路面特性能夠幫助人們更好地了解汽車。（剩余2670字）