| 基于AR模型的特殊路面的路面谱测量及分析 |
| |
| 引用本文： | 段云龙,闰璐,韩保红,闰庆华.基于AR模型的特殊路面的路面谱测量及分析[J].计算机测量与控制,2011,19(10). |
| |
| 作者姓名： | 段云龙 闰璐 韩保红 闰庆华 |
| |
| 作者单位： | 军械工程学院,河北石家庄,050003 |
| |
| 摘 要： | 提出了一种特殊路面的路面谱的测量方法,在运输车辆车桥上安装加速度传感器,通过测量该处的时域加速度信号来间接计算路面功率谱;运用DASP和MATLAB等软件对测试数据进行处理,并对特殊路面不平度建立AR模型和进行谱估计,得到了多种特殊路面的位移功率谱密度曲线图;结果表明,该实验方法是可行的,同时提出了一种基于AR模型的特殊路面的路面谱测量手段,并验证了用AR模型法对特殊路面进行功率谱分析的可靠性和可行性。
|
| 关 键 词： | 特殊路面 AR模型 功率谱 DASP MATLAB |
Measurement and Analysis of Special Road Surface Spectral by AR Model |
| |
| Duan Yunlong,Yan Lu,Han Baohong,Yan Qinghua.Measurement and Analysis of Special Road Surface Spectral by AR Model[J].Computer Measurement & Control,2011,19(10). |
| |
| Authors: | Duan Yunlong Yan Lu Han Baohong Yan Qinghua |
| |
| Affiliation: | Duan Yunlong,Yan Lu,Han Baohong,Yan Qinghua (Ordnance Engineering Colleges,Shijiazhuang 050003,China) |
| |
| Abstract: | A method is introduced to measure the power spectrum of special road,fixing the acceleration sensor in the axis of the wheel in transport vehicle,by measuring the acceleration signal to calculate road power spectral indirectly.By using DASP and MATLAB in data processing,AR model is established and power spectrum is estimated for road roughness and the density of displacement power spectrum curve graph of special road is acquired.It is certified that the method which is introduced to measure the power spectr... |
| |
| Keywords: | special road AR model power spectral DASP MATLAB |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
