Nuclear power starting water pump rolling bearing fault detection method and system
A rolling bearing and fault detection technology, which is applied in the field of intelligent operation and maintenance, can solve the problems of unreported fault diagnosis methods, unguaranteed algorithm versatility, and low efficiency of operation and maintenance management, so as to improve the operating efficiency and economic benefits of enterprises, and improve Reliability and stability, calculation of simple and fast results
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[0069]Embodiment:
[0070]S1: Get the original operation of the rolling bearing through field experiments and its working labels, and divided into training and test data sets 3: 1.
[0071]S1.1, the field experiments include:
[0072]Bearing Type: The support shaft to be detected is a rotating shaft of the nuclear power activation pump motor, the sampling frequency is 12kHz and 48kHz.。
[0073]Fault setting: The damage of the bearing is a single point of injury of electric spark processing. The fault diameter is 0.007, 0.014, 0.021, 0.028 and 0.040 mm, respectively. The damage point is provided on the bearing inner ring, the rolling bodies, and the outer ring.
[0074]Signal Sampling: The motor wind sector and the drive end are placed over the bearing seat of the drive to collect the vibration acceleration signal and power of the faulty bearing, using a 16-channel data recorder collecting the vibration acceleration signal data of the test stage, data acquisition frequency It is 12kHz, the shaft sp...
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