基于小波分析的故障诊断方法研究
기우소파분석적고장진단방법연구
A fault diagnosis method base on wavelet analysis
  • 万方数据
    声学技术 성학기술
    Technical Acousitics
    2014年 z1期 155-159 ,共5页

    史胜东%柳勇%阮竹青

    사성동%류용%원죽청

    小波变换%故障诊断 小波變換%故障診斷
    소파변환%고장진단
    Wavelet transform%fault diagnosis
    本文基于小波多分辨率的柴油机气阀漏气故障诊断方法研究，并在柴油机台架进行故障模拟试验，用基于小波多分辨率和功率谱密度分析方法对模拟试验采集的振动信号进行分析处理，提取气阀是否漏气的故障信息。
    본문기우소파다분변솔적시유궤기벌루기고장진단방법연구，병재시유궤태가진행고장모의시험，용기우소파다분변솔화공솔보밀도분석방법대모의시험채집적진동신호진행분석처리，제취기벌시부루기적고장신식。
    The experiments of the valve leakage (four states) simulated on diesel engine test bench were carried out. The vibration signals were measured, processed and analyzed by using Wavelet analysis and Power spectral density function. The fault information of the valve leakage is abstracted.
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