Vibration Diagnosis Device

Abstract: The purpose of this invention is to provide a vibration diagnosis device that is capable of simply and effectively carrying out accurate vibration analysis. This vibration diagnosis device is for diagnosing vibration of an object on the basis of an input signal from the outside. The vibration diagnosis device comprises a vibration sensor for detecting the vibration of the object, a filter processing unit for extracting a prescribed wavelength band from a waveform of a signal detected by the vibration sensor, and a computation processing unit for generating spectral data by subjecting the filtered waveform obtained by the filter processing unit to frequency analysis. When, on the basis of the input signal, the computation processing unit does not generate the spectral data, the computation processing unit calculates at least one fundamental vibration statistic from the waveform of the signal detected by the vibration sensor and diagnoses the presence of an abnormality of the object.

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