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In this work, the nonstationarity of the regime is confined to that of the speed— i. You might also like: Three different but complementary visions have been proposed to deal with the changes induced by the nonstationarity of the operating speed.

Inria – Vibration-based condition monitoring of rotating machines in nonstationary regime

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Dany Abboud 1 AuthorId: Dany Abboud 1 Details. Click on one of the icons to share the company. INSA de Lyon, In the last decades, vibration-based condition monitoring of rotating machine has gained special interest providing an efficient aid for maintenance in the industry.

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In this case, these techniques fail in analyzing the produced vibration signals. Turnover Information available as an option. Please fill in your login and password Login. The first type includes deterministic waveforms known as first-order cyclostationary. The data we collect are only those necessary for the proper use of our service. Help with expert advice.

Information available as an option. The second type includes random periodically-correlated waveforms known as second-order cyclostationary. Domestic and industrial ivbratoire collection and recycling equipment NES. In order to reach this goal, the adopted methodology consists in extending the cyclostationary framework together with its dedicated tools.

Vibration-based condition monitoring of rotating machines in nonstationary regime. Create your web page Haltools: However, all these techniques rely on the assump-tion of constant— or possibly fluctuating but stationary— operating regime i.


You might also like. Register Forgot your password? This issue, therefore, has occupied the scientific committee in the last decade and some sophisticated signal processing techniques have been conceived to deal with regime variability.

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Nowadays, many efficient techniques are well-established, rooted on powerful tools offered in particular by the theory of cyclostationary processes. All the lines are busy at the moment, please try again in a moment.

The proposed solution consists in generalizing the first-order cyclostationary class to the more general first-order cyclo-non-stationary class which enfolds speed-varying deterministic signals. Share this company profile.

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Technical testing and analysis Unfortunately, most monitored machines used in the industry operate under nonstationary regimes in order to fulfill the task for which they have been designed.

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