本文介绍了齿轮振动信号的时域分析与频域分析的理论基础。针对齿轮常见故障原因和类型,引出了齿轮故障诊断的常用方法,并选用经典的振动分析法,利用MATLAB信号分析功能,对齿轮故障信号的时域和频域分析进行了详尽的阐述。本文对齿轮故障诊断有一定的指导意义。%Firstly,this paper briefly introduces the basic theory in time domain and frequency domain.This paper shows the common methods of gear fault diagnosis,according to the common failure causes and types of gear and it uses the classical vibration analysis method to analysis the gear fault signal in detail in time domain and frequency domain by Matlab.This paper has some guiding significance for gear fault diagnosis.
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