基于Matlab的路面不平度功率谱计算  

Power Spectrum Computation of Road Roughness Based on Matlab

作　　者：李志强[1] 马吉胜[1] 张亚欧[1] 汤清洪[1] 

机构地区：[1]军械工程学院火炮工程系,河北石家庄050003

出　　处：《兵工自动化》2006年第3期77-79,共3页Ordnance Industry Automation

摘　　要：履带车辆行驶路面不平度采用加速度与光电开关传感器、电荷放大器、磁带记录仪进行测量。利用数据分析处理软件的importdata将记录的数据导入到Matlab中,进行数据预处理,产生信号矩阵。通过滤波器、快速傅里叶变换、加速度功率谱估计、路面不平功率谱估计等对路面不平度的空间域功率谱进行计算和结果分析。In the running of tracked vehicle, the road roughness is measured by acceleration sensors, photo electricity sensors, electric amplifier, and tape recorder. The recorded data was imported into Matlab by using import data of data analyzing and processing software, and the data was preprocessed to get the signal matrix. After filtering, rapid Fourier conversion, acceleration power spectrum calculation, roughness power spectrum calculation, the result can reflect the road characteristic.

关 键 词：履带车辆 路面不平度 功率谱 加速度 MATLAB 

分 类 号：TP274.5[自动化与计算机技术—检测技术与自动化装置]