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Theses

Optimisation des corrections de forme dans les engrenages droits et hélicoïdaux : Approches déterministes et probabilistes

Abstract : The objective of this PhD thesis is to define optimum tooth shape modifications for spur and helical gears with regard to a number of design parameters. The memoir is divided into four parts. A literature review on tooth modification along with optimization techniques is presented in the first section. The second part of the text is centred on a deterministic approach to the performance induced by tooth modifications on several design criteria commonly used in gearing. Some original analytical developments on transmission errors are presented which are combined with a genetic algorithm in order to define optimum profile relief. In the third part of the memoir, a probabilistic analysis is conducted based on Gaussian quadrature leading to robust tooth modifications. A number of results are presented which illustrate the influence of the quality grade, the tooth modification shapes, etc. Finally, the results delivered by a specific multi-criterion optimization algorithm “NSGA-II” are displayed and commented upon.
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Submitted on : Wednesday, October 16, 2013 - 6:10:00 PM
Last modification on : Sunday, September 27, 2020 - 5:07:00 AM
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Dhafer Ghribi. Optimisation des corrections de forme dans les engrenages droits et hélicoïdaux : Approches déterministes et probabilistes. Autre. INSA de Lyon; École nationale d'ingénieurs de Sfax (Tunisie), 2013. Français. ⟨NNT : 2013ISAL0010⟩. ⟨tel-00873973⟩

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