Abstract

The detection of motor vibration can be used to evaluate the condition of motor. Furthermore the detection of motor vibration can be used to analyze the source of motor vibration and is helpful to reduce the motor vibration. Vibration is a cause of noise,so the vibration reduction is helpful to reduce the motor noise. Through analyzing the mechanism of motor vibration, a laptop computer and LabVIEW software are used to design the experimental system. the data acquisition system of vibration signal is composed of USB5935 data acquisition card, vibration acceleration sensor.LabVIEW is used to detect the vibration signal and record the vibration and realize the spectrum analysis. Through detecting and analyzing the vibration of the permanent magnet DC motor, It is proved that the motor vibration experimental system consisting of computer and LabVIEW can fully meet the requirements of electrical machine test and fault classification research.

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