Inverse method for a one-stage spur gear diagnosis

• Autorzy: Akrout A. , Tounsi D. , Taktak M. , Abbes M. S. , Haddar M.

Identyfikatory

DOI

10.15632/jtam-pl.53.3.617

• Języki publikacji: EN

Abstrakty

EN

In this paper, a source separation approach based on the Blind Source Separation (BSS) is presented. In fact, the Independent Component Analysis (ICA), which is the main technique of BSS, consists in extracting different source signals from several observed mixtures. This inverse method is very useful in many fields such as telecommunication, signal processing and biomedicine. It is also very attractive for diagnosis of mechanical systems such as rotating machines. Generally, dynamic responses of a given mechanical system (displacements, accelerations and speeds) measured through sensors are used as inputs for the identification of internal defaults. In this study, the ICA concept is applied to the diagnosis of a one-stage gear mechanism in which two types of defects (the eccentricity error and the localized tooth defect)are introduced. The finite element method allows determination of the signals corresponding to the acceleration in some locations of the system, and those signals may be used also in the ICA algorithm. Hence, the vibratory signatures of each defect can be identified by the ICA concept. Thus, a good agreement is obtained by comparing the expected default signatures to those achieved by the developed inverse method.

Słowa kluczowe

EN

independent component analysis; ICA; source identification; gear mechanism; geometrical defects

• Wydawca: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
• Czasopismo: Journal of Theoretical and Applied Mechanics
• Rocznik: 2015
• Tom: Vol. 53 nr 3
• Strony: 617--628
• Opis fizyczny: Bibliogr. 26 poz., rys., tab.

Twórcy

autor

Akrout A.

• Mechanics, Modelling and Production Research Laboratory (LA2MP), National School of Engineers of Sfax, University of Sfax, Sfax, Tunisia

autor

Tounsi D.

• Mechanics, Modelling and Production Research Laboratory (LA2MP), National School of Engineers of Sfax, University of Sfax, Sfax, Tunisia

autor

Taktak M.

• Mechanics, Modelling and Production Research Laboratory (LA2MP), National School of Engineers of Sfax, University of Sfax, Sfax, Tunisia

autor

Abbes M. S.

• Mechanics, Modelling and Production Research Laboratory (LA2MP), National School of Engineers of Sfax, University of Sfax, Sfax, Tunisia

autor

Haddar M.

• Mechanics, Modelling and Production Research Laboratory (LA2MP), National School of Engineers of Sfax, University of Sfax, Sfax, Tunisia

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