METHOD OF DETERMINING OWN FREQUENCIES AND FORMS OF VIBRATIONS OF COMPLEX PARTS DETAILS Russian patent published in 2017 - IPC G01M15/14 

Abstract RU 2623602 C1

FIELD: machine engineering.

SUBSTANCE: sound pressure sensors use a series of technical microphones with a narrow beam pattern installed in the specified sector of the test piece. In addition, the point values of the sound pressure value and the frequency spectrum of each of the microphones are separately extracted, a spectral amplitude-phase image is constructed from the frequency spectrum of a number of technical microphones, and by visualizing the distribution of the vibration amplitudes for each of the allocated frequencies by surface parts.

EFFECT: invention makes it possible to increase the reliability of the result when performing the amplitude determination, and makes it possible to qualitatively evaluate the vibration patterns of the structural elements.

4 cl, 8 dwg

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RU 2 623 602 C1

Authors

German Georgij Konstantinovich

Zubko Aleksej Igorevich

Zubko Igor Olegovich

Dates

2017-06-28Published

2016-03-11Filed