| 时频分析在旋转机械状态监测及故障诊断中的应用 |
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| 引用本文： | 张春梅,王尚锦,张太镒,朱长新.时频分析在旋转机械状态监测及故障诊断中的应用[J].工程热物理学报,2002,23(2):187-189. |
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| 作者姓名： | 张春梅 王尚锦 张太镒 朱长新 |
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| 作者单位： | 西安交通大学,陕西,西安,710049 |
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| 摘 要： | 本文简要介绍了时频分析方法的发展及其在旋转机械状态监测、故障诊断领域中的应用。并以一个实际监测系统为例，对其检测信号应用时频分析的方法进行了数据处理，对用传统傅立叶变换处理的结果与采用时频分析方法处理的结果进行了对比分析．
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| 关 键 词： | 故障诊断 时频分析 Fourier变换 短时Fourier变换 小波变换 |
| 文章编号： | 0253-231X(2002)02-0187-03 |
| 修稿时间： | 2001年12月5日 |
APPLYING THE TIME-FREQUENCY ANALYSIS TO CONDITION INSPECTING AND FOULT DIAGNOSIS IN ROTARY MACHINES |
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| ZHANG Chun-Mei,WANG Shang-Jin, ZHANG Tai-Yi, ZHU Chang-Xin.APPLYING THE TIME-FREQUENCY ANALYSIS TO CONDITION INSPECTING AND FOULT DIAGNOSIS IN ROTARY MACHINES[J].Journal of Engineering Thermophysics,2002,23(2):187-189. |
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| Authors: | ZHANG Chun-Mei WANG Shang-Jin ZHANG Tai-Yi ZHU Chang-Xin |
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| Abstract: | It was briefly introduced that the development of joint time-frequency analysis and its application in rotary machines. A real monitoring system is cited here. It's vibration signals were processed with FFT and time-frequency analysis. The results were analyzed in contrast. |
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| Keywords: | fault diagnosis joint time-frequency analysis FFT STFT wavelet |
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