A multi-data compression tracking algorithm-based local fault remote diagnosis method for a rotary machine
A technology of fault remote diagnosis and tracking algorithm, which is applied in the testing and calculation of computer components and mechanical components, etc., which can solve the inaccurate fault diagnosis, the inability of wavelet transform to take into account the resolution of time domain and frequency domain, and modal aliasing and other issues, to achieve the effect of reducing data transmission pressure, fast equipment health status assessment, and improving training speed
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[0068] The local fault vibration signal of the gear is simulated in MATLAB, and the corresponding noise is added to make the simulated signal close to the actual signal collected by the equipment section.
[0069] Such as figure 1 As shown, a remote diagnosis method for partial faults of rotating machinery based on multi-data compression tracking algorithm includes the following steps:
[0070] S1. Analyze the possible fault conditions of the equipment and the corresponding fault feature information, and collect the mechanical vibration signal and speed signal at the equipment end; specifically, the following steps are included:
[0071] S11. According to the equipment structure, analyze the possible local fault conditions of the equipment end gear: input shaft gear fault and output shaft gear fault, and calculate the corresponding fault characteristic information;
[0072] S12. Collect the vibration acceleration signal of the device housing through the piezoelectric accelera...
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