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Fault Diagnosis of a Pump Using Analysis of Noise  

박순재 (군산대학교 기계공학과)
이신영 (군산대학교 기계공학부)
Publication Information
Transactions of the Korean Society of Machine Tool Engineers / v.12, no.6, 2003 , pp. 22-28 More about this Journal
Abstract
We should maintain the maximum operation capacity for production facilities and find properly out the fault of each equipment rapidly in order to decrease a loss caused by its failure. The acoustic signals of a machine always carry the dynamic information of the machine. These signals are very useful for the feature extraction and fault diagnosis. We performed a fundamental study which develops a system of fault diagnosis for a pump. We obtained noises by a microphone, analysed and compared the signals converted to Sequency range for normal products, artificially deformed products. We tried to search a change of noise signals according to machine malfunctions and analyse the type of deformation or failure. The results showed that acoustic signals as well as vibration signals can be used as a simple method for a detection of machine malfunction or fault diagnosis.
Keywords
Fault Diagnosis; Sound; Pump; Frequency Domain;
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