汽车变速箱故障诊断中的时域同步阶次分析法的分析研究  

Synchronous Revolution Order Analysis Application in Fault Diagnosis of Auto Gearbox

作　　者：万德安[1] 孙东继[1] 赵永杰[1] 

机构地区：[1]同济大学现代制造技术研究所,上海200092

出　　处：《计算机测量与控制》2006年第3期299-300,332,共3页Computer Measurement &Control

摘　　要：旋转机械故障诊断技术是20世纪七、八十年代得到迅速发展的一项新技术;在实际的生产应用中,一般将齿轮箱的频谱分为低频、中频和高频分别进行处理,进而实现故障诊断;文章所述的汽车变速箱故障诊断系统利用时域同步平均法,在阶次分析理论基础上,对时域信号进行处理,根据信号源的不同提取各自时域信号并进行处理,进而实现故障诊断;结合试验,对基于阶次分析的时域同步平均法进行了详细的论述和结果验证。Rotational mechanics fault diagnosis is one of the new techniques which were well developed in the late 20th century. In the application, the spectrum are usually divided into three parts （low spectrum; mid spectrum; high spectrum） , to realize fault diagnosis separately. In this work, the system of fault diagnosis of auto gearbox takes in charge of the synchronous revolution method. On base of the order analysis theory, it takes transform of signal in time domain and then abstract the signal into different shafts. This method has been particularly discussed.

关 键 词：谐波 阶次 时域同步平均 快速傅立叶变换 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]