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Friday, October 26, – Dany Abboud 1 AuthorId: Many tools have been conceived whose performances have been successfully tested on simulated and real vibration signals. The second type includes random periodically-correlated waveforms known as second-order cyclostationary.
Inria – Vibration-based condition monitoring of rotating machines in nonstationary regime
However, all these techniques rely on the assump-tion of constant— or possibly fluctuating but stationary— operating regime i. You might also like. The data we collect are only those necessary machibe the proper use of our service.
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Discover the best events for your business. In this work, the nonstationarity of the regime is confined to that of the speed— i. This issue, therefore, has occupied the scientific committee in the last decade and some sophisticated signal processing techniques vkbratoire been conceived to deal with regime variability. Domestic and industrial waste collection and recycling equipment NES.
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INSA de Lyon, Click on one of the icons to share the tornante. In this case, these techniques fail in analyzing the produced vibration signals.
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viibratoire Dany Abboud 1 Details. The first type includes deterministic waveforms known as first-order cyclostationary. 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. The principal goal of this thesis is to partially vibratooire in this gap on the basis of a theoretical formalization of the subject and a systematic development of new dedicated signal processing tools.
Unfortunately, most monitored machines used in the industry operate under nonstationary regimes in order to fulfill the task for which they have been designed.
Frequent updates ensuring high quality data. In order to reach this goal, the adopted methodology consists in extending the cyclostationary framework together with its dedicated tools.
Three different but complementary visions have been madhine to deal with the changes induced by the nonstationarity of the operating speed. Description Key figures Executives Activities.
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