基于Hilbert解调技术的齿轮故障诊断研究  

Study of Gear Fault Diagnosis on Gear Based on Hilbert

作　　者：华伟[1] 吉春和[1] 荆双喜[1] 

机构地区：[1]河南理工大学机械监测与故障诊断研究所,河南焦作454000

出　　处：《煤矿机械》2009年第4期217-218,共2页Coal Mine Machinery

摘　　要：阐述了齿轮振动信号的调制原理,讨论了Hilbert变换的定义及解调原理。应用Hil-bert变换的解调技术对齿轮振动信号进行了幅值解调分析。工程应用的研究结果表明,针对齿轮振动信号的调制现象,利用Hilbert技术能从复杂的振动信号中解调出故障齿轮的调制信息,进而判断出故障齿轮的部位,是一种可靠的故障诊断方法。The modulation theory of gear vibration signal is described and the definition and demodulation principle of Hilbert transform were discussed. The demodulation technique of Hilbert transform was used to demodulate the amplitude spectrum of gear vibration signal. To the modulate phenomena of gear vibration signal, The result of research shows that Hilbert technique can demodulate the demodulation information of fault gear from complicated vibration signal, judging the position of fault gear, it is an effective fault diagnosis method.

关 键 词：齿轮 故障诊断 低速重载 

分 类 号：TH165.3[机械工程—机械制造及自动化] TP306[自动化与计算机技术—计算机系统结构]