Time-Frequency Analysis System of Rolling Element Bearing Based on Virtual Instrument

Abstract:

Rolling element bearing (REB) is one of important components in the condition monitoring and faults diagnosis of machinery. In this paper, a REB fault diagnosis system is presented, which is developed by using LabVIEW. In the system, vibration signals are picked by acceleration sensors and acquired by NI USB data acquisition card at first. Then, the fault diagnosis can be performed in the time-frequency domain by various time-frequency methods. The experiments show that the presented system can be used to extract the bearing fault features and diagnoses the failures effectively.

• Periodical: Applied Mechanics and Materials (Volumes 278-280)
• Pages: 844-847
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.278-280.844
• Online since: January 2013
• Authors: Xian Jun Yu, Yu Guo, Jun Guo, Yun Li
• Keywords: Fault Diagnosis, JTFA, LabVIEW, Rolling Element Bearing, Signal Processing

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