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Home Publications Articles On some models of vibroacoustic signals structure in piston machines

On some models of vibroacoustic signals structure in piston machines

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A structural mathematical description of a vibroacoustic signal, obtained from a piston machine specific units with regard to a channel of vibroacoustic oscillations formation and distribution, is a diagnostic model. This model allows to select informative diagnostic features of malfunctions and defects.

The generalized structural model of the vibroacoustic signal, generated by different sources in the piston machine, is built in the presence and interaction of three main sources of vibro-acoustic oscillations in the unit, which are is identified by oscillations types: free damped, forced undamped, random broadband and narrowband oscillations.

In order to form the diagnosis-making algorithms, based on the vibroacoustic signal parameters and invariant to machines and mechanisms design, it is necessary to develop particular structural models of the vibroacoustic signal for a specific malfunction or defect on the basis of the generalized model.

 

Naumenko A.P. On some models of vibroacoustic signals structure in piston machines // Engine-2010. - 2010. - pp. 75-78

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Tags: vibroacoustic signal piston machine Date: 17.01.2014
Views: 1249
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