Comptes Rendus
Frequency analysis of a two-stage planetary gearbox using two different methodologies
Comptes Rendus. Mécanique, Volume 345 (2017) no. 12, pp. 832-843.

This paper is focused on the characterization of the frequency content of vibration signals issued from a two-stage planetary gearbox. To achieve this goal, two different methodologies are adopted: the lumped-parameter modeling approach and the phenomenological modeling approach. The two methodologies aim to describe the complex vibrations generated by a two-stage planetary gearbox. The phenomenological model describes directly the vibrations as measured by a sensor fixed outside the fixed ring gear with respect to an inertial reference frame, while results from a lumped-parameter model are referenced with respect to a rotating frame and then transferred into an inertial reference frame. Two different case studies of the two-stage planetary gear are adopted to describe the vibration and the corresponding spectra using both models. Each case presents a specific geometry and a specific spectral structure.

Received:
Accepted:
Published online:
DOI: 10.1016/j.crme.2017.10.001
Keywords: Lumped-parameter model, Phenomenological model, Two-stage planetary gear, Inertial reference frame, Rotating frame, Frequency analysis

Nabih Feki 1; Maha Karray 1; Mohamed Tawfik Khabou 1; Fakher Chaari 1; Mohamed Haddar 1

1 Laboratoire de recherche de mécanique, modélisation et productique (LA2MP), École d'ingénieurs de Sfax, 3038 Sfax, Tunisia
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Nabih Feki; Maha Karray; Mohamed Tawfik Khabou; Fakher Chaari; Mohamed Haddar. Frequency analysis of a two-stage planetary gearbox using two different methodologies. Comptes Rendus. Mécanique, Volume 345 (2017) no. 12, pp. 832-843. doi : 10.1016/j.crme.2017.10.001. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2017.10.001/

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