Real-time valve fault diagnosis system and method based on time sequence analysis
A technology of time series analysis and real-time diagnosis, which is applied in mechanical valve testing, pattern recognition in signals, instruments, etc., can solve problems such as inconvenient maintenance and inability to obtain fault categories, so as to facilitate maintenance and rectification, and reduce complex calculations degree, the effect of simplifying the eigenvalues
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[0052] Such as figure 1 As shown, the valve fault real-time diagnosis system based on time series analysis provided by the present invention, the valve fault real-time diagnosis system based on time series analysis, includes a vibration acceleration sensor and a sound pressure sensor, and the vibration acceleration sensor and sound pressure sensor assembly On the circuit board, the circuit board is installed on the valve to be detected, and is used to monitor the vibration acceleration signal and the sound pressure signal from the valve; the signal acquisition chip is connected to the circuit board through a cable, and is used to connect the vibration acceleration sensor and the sound pressure signal to the circuit board. The signal when the pressure sensor is monitored is collected into the diagnostic processor; the diagnostic processor is electrically connected to the signal acquisition chip, and is used to receive the signal of the signal acquisition chip and process it to o...
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