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2 337 341

(13)

(51)

IPC

G01M15/00(2006-01-01)

G01M7/02(2006-01-01)

(21) (22)

Application

2007113529/28, 2007-04-11

(24)

Start date

2007-04-11

(22)

Actual filing date

2007-04-11

(45)

Published

2008-10-27

(72)

Inventor

Kostjukov Vladimir NikolaevichNaumenko Aleksandr PetrovichBojchenko Sergej Nikolaevich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Npts Tsentr Nadezhnost' Mashin I Kompleksnaja Avtomatizatsija"

METHOD OF VIBRATION-BASED DIAGNOSTICS OF TECHNICAL STATE OF RECIPROCATORS ON SPECTRAL INVARIANTS Russian patent published in 2008 - IPC G01M15/00 G01M7/02

Abstract RU 2337341 C1

FIELD: test engineering.

SUBSTANCE: according to method vibration-based diagnostics of technical state of reciprocators on spectral invariants are performed by means of measurement of reciprocator vibration, estimation of amplitude-frequency spectrum of vibration, and evaluation of informative frequency constituents of spectrum, on base of which state of machine is assessed. Vibration is measured at points of a case adjacent to zones of location of diagnosed units of the reciprocator, then informative constituents are selected in form of harmonic components of repetition rate of a complete cycle of the reciprocator, then their dispersions are assessed, the complex of harmonic components is formed and spectral invariants are evaluated in form of ratio of dispersions of corresponding complexes of harmonic components.

EFFECT: upgraded validity of diagnostics.

2 cl, 15 dwg

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RU 2 337 341 C1

Authors

Kostjukov Vladimir Nikolaevich

Naumenko Aleksandr Petrovich

Bojchenko Sergej Nikolaevich

Dates

2008-10-27—Published

2007-04-11—Filed