This paper is devoted to gear diagnostics using a new technique based on cyclostationary theory. Formulation of the method and calculation of the Spectral Correlation Density (SCD) are presented. The Spectral Correlation Function may be seen as a parameter measuring the ‘link’ between harmonic components. This technique is demonstrated on simulated example, and used to analyse real vibration signals measured on an industrial like gear system. SCD is compared to classical (but powerful) phase modulation technique for the diagnostics of spalling in gear teeth. The results show that SCD may detect this fault in an early stage

This paper is devoted to gear diagnostics using a new technique based on cyclostationary theory. Formulation of the method and calculation of the Spectral Correlation Density (SCD) are presented. The Spectral Correlation Function may be seen as a parameter. measuring the 'link' between harmonic components. This technique is demonstrated on simulated example, and used to analyse real vibration signals measured on an industrial like gear system. SCD is compared to classical (but powerful) phase modulation technique for the diagnostics of spalling in gear teeth. The results show that SCD may detect this fault in an early stage. Copyright (C) 1998 IFAC.

Diagnostic of Gear Systems Using the Spectral Correlation Density of the Vibration Signal / Rubini, Riccardo; Sidahmed, M.. - STAMPA. - (1998), pp. 971-976. (Intervento presentato al convegno SAFEPROCESS'97: FAULT DETECTION, SUPERVISION AND SAFETY FOR TECHNICAL PROCESSES tenutosi a HULL, UK nel 26-28 august 1997).

Diagnostic of Gear Systems Using the Spectral Correlation Density of the Vibration Signal

RUBINI, Riccardo;
1998

Abstract

This paper is devoted to gear diagnostics using a new technique based on cyclostationary theory. Formulation of the method and calculation of the Spectral Correlation Density (SCD) are presented. The Spectral Correlation Function may be seen as a parameter. measuring the 'link' between harmonic components. This technique is demonstrated on simulated example, and used to analyse real vibration signals measured on an industrial like gear system. SCD is compared to classical (but powerful) phase modulation technique for the diagnostics of spalling in gear teeth. The results show that SCD may detect this fault in an early stage. Copyright (C) 1998 IFAC.
1998
SAFEPROCESS'97: FAULT DETECTION, SUPERVISION AND SAFETY FOR TECHNICAL PROCESSES
HULL, UK
26-28 august 1997
971
976
Rubini, Riccardo; Sidahmed, M.
Diagnostic of Gear Systems Using the Spectral Correlation Density of the Vibration Signal / Rubini, Riccardo; Sidahmed, M.. - STAMPA. - (1998), pp. 971-976. (Intervento presentato al convegno SAFEPROCESS'97: FAULT DETECTION, SUPERVISION AND SAFETY FOR TECHNICAL PROCESSES tenutosi a HULL, UK nel 26-28 august 1997).
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/587790
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