车辆行驶路面的数字化建模方法研究

doi:10.3969/j.issn.1000-1093.2016.07.001

兵工学报 ›› 2016, Vol. 37 ›› Issue (7): 1153-1160.doi: 10.3969/j.issn.1000-1093.2016.07.001

• 论文 • 下一篇

车辆行驶路面的数字化建模方法研究

王红岩¹，王钦龙¹，芮强¹，李荣利²，张晶²，罗韬²

(1.装甲兵工程学院机械工程系北京 100072; 2.北京特种车辆研究所北京 100072)

收稿日期:2016-01-07 修回日期:2016-01-07 上线日期:2016-09-05
作者简介:王红岩（1965—），男，教授，博士生导师
基金资助:
军队“十二五”预先研究项目（2011YY18）

Research on Digitized Modeling Method of Riding Road of Vehicle

WANG Hong-yan¹， WANG Qin-long¹， RUI Qiang¹， LI Rong-li²， ZHANG Jing²， LUO Tao²

(1.Department of Mechanical Engineering, Academy of Armored Forces Engineering, Beijing 100072, China;2.Beijing Special Vehicle Research Institute, Beijing 100072, China)

Received:2016-01-07 Revised:2016-01-07 Online:2016-09-05

摘要/Abstract

摘要： 为提高车辆虚拟试验结果的准确性，对车辆行驶路面数字化建模方法进行了研究。利用双轨真实路形计对中波和长波起伏路面进行测量，并将测量结果与依据路面外形设计参数建立的波形曲线进行对比，验证了测量方法的准确性和可信性；利用双轨真实路形计分别对渣土路、砂石路两种随机路面进行测量，获取了路面不平度实测数据，并采用基于周期图法改进的Welch算法对实测数据进行了功率谱密度估计，依据相关国家标准GB/T 7031—2005评定了路面等级。采用谐波叠加法建立了三维随机路面模型，通过与实测数据作功率谱密度对比，表明二者具有较好的一致性，验证了三维随机路面模型的可信性。

关键词: 兵器科学与技术, 路面测量, 路面不平度, 谐波叠加法, 三维随机路面模型

Abstract: Digitized modeling method of riding road of vehicle is researched for improving the accuracy of vehicle virtual test results. Dual-track real profilometer is used to measure the periodic medium wave and long wave roads. The credibility and veracity of measuring method are verified by comparing actual measuring data with wave curves which are built based on the design parameters of road outline. Then two kinds of random roads, i.e., residue road and gravel road, are measured by using a dual-track real profilometer, and the actual road roughness data is obtained. Power spectral density (PSD) of actual measuring data is estimated by Welch algorithm based on modified periodogram method, and the rank of measuring random road is assessed according to GB/T 7031—2005 national standard. The 3D random road models are built by means of harmony superposition method, of which PSD is consistent with actually measured data, and its credibility is verified consequently.

Key words: ordnance science and technology, road measuring, road roughness, harmony superposition method, 3D random road surface model

中图分类号:

TJ811

王红岩，王钦龙，芮强，李荣利，张晶，罗韬. 车辆行驶路面的数字化建模方法研究[J]. 兵工学报, 2016, 37(7): 1153-1160.

WANG Hong-yan， WANG Qin-long， RUI Qiang， LI Rong-li， ZHANG Jing， LUO Tao. Research on Digitized Modeling Method of Riding Road of Vehicle[J]. Acta Armamentarii, 2016, 37(7): 1153-1160.

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车辆行驶路面的数字化建模方法研究

Research on Digitized Modeling Method of Riding Road of Vehicle

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