Importance

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Abstract

According to an embodiment, a rotary machine diagnostic device comprises: an input unit that receives calculation condition data and a measured state value of the rotating part, the calculation condition data including reference data and an influence coefficient matrix, and the measured state value including vibration data, a rotation speed, and phase calculation data serving as a basis for phase calculation; a calculation unit that performs an calculation operation of identifying a vibration mode serving as a basis for the specification of the failure occurrence place and the inference of the failure cause, based on the calculation condition data and the measured state value which are received by the input unit; a storage unit in which the calculation condition data, the measured state value, and the vibration mode which is obtained by the calculation unit are loaded; and an output unit that outputs and displays the contents loaded in the storage unit.

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First Claim