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《Journal of Vibration, Measurement & Diagnosis》 2007-04
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Application of Several Feature Description Methods to Identification of Shaft Orbit

Weng Guirong1 Xue Feng2 (1 School of Mechanical and Electrical Engineering,Suzhou University Suzhou,215021,China) (2 Suzhou Product Quality Supervison and Inspection Institute Suzhou,215128,China)  
Based on the analysis of characteristics of shaft orbit of rotary machinery,we compare computations of the Fourier descriptors,Hu Matrix and shape spectrum,and then classify the faults with artificial neural network(ANN).The experiment results show that the shape spectrum based on mathematical morphology,have invariable features of rotary,zooming and translation for the graphs showing faults of shaft orbit.The method of using shape spectrum can clearly describe the geometric sense of faults of four types and has a high identification capability.It shows that using mathematical morphology could diagnose faults for rotating machinery well.
【Fund】: 江苏省高校基金资助项目(编号:03KJD460193)
【CateGory Index】: TP277
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