Fault diagnosis of engine abnormal sound based on wavelet transform technique

Jixie Gongcheng Xuebao/Journal of Mechanical Engineering

Volumn 45, Issue 6, 2009, Pages 239-245

  Zang, Yuping ^a,b,c   Zhang, Dejiang ^d   Wang, Weizheng ^c  

^a CHANGCHUN INSTITUTE OF OPTICS   (China)

^b UNIVERSITY OF CHINESE ACADEMY OF SCIENCES   (China)

^c CHANGCHUN UNIVERSITY OF TECHNOLOGY   (China)

^d State Key Laboratory of Integrated Optoelectronics   (China)

Author keywords

Abnormal sound fault; Autocorrelation sequence; Engine; Multi level threshold; Time frequency map; Wavelet transform

Indexed keywords

ABNORMAL SOUND FAULT; BACKGROUND NOISE; CONTINUOUS WAVELET TRANSFORM; DE-NOISED SIGNALS; DENOISING METHODS; EXPERIMENTAL RESEARCH; FAULT DIAGNOSIS; FAULT SIGNAL; FREQUENCY DOMAINS; MULTI-LEVEL THRESHOLD; NONSTATIONARY; PISTON CYLINDERS; SIMULATED SIGNALS; SOUND SIGNAL; TIME DOMAIN; TIME-FREQUENCY MAP;

CORRELATION DETECTORS; DISCRETE WAVELET TRANSFORMS; ELECTRIC FAULT LOCATION; ENGINES; SIGNAL TO NOISE RATIO;

SIGNAL PROCESSING;

EID: 67650021246     PISSN: 05776686     EISSN: None     Source Type: Journal    
DOI: 10.3901/JME.2009.06.239     Document Type: Article

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