Contribution au confort de l'embrayage

Pietro Dolcini 1, 2
2 NECS - Networked Controlled Systems
Inria Grenoble - Rhône-Alpes, GIPSA-DA - Département Automatique
Abstract : The driving comfort perceived by the driver is as important for the commercial success of a vehide as its dynamic performances or its fuel efficiency. Unfortullately, though, this element is much more difficult to measure and to master that the last two. During the conception and the final fine tuning of a new car vast efforts are made to insure a correct level of the different comfort performances. This performances depend on most of the components of the vehicle and impose strict constraints on the technical choices available to the engineers. Considering in particular the performances of the powertrain, the clutch is a key element for the driving comfort during standing start and gear shifting manoeuvres in Manual Transmission and Automated Manual Transmission cars, which constitute the vast majority of the European automotive park. The increase of peak delivered torque by modern turbocharged engines together with the current trend of reduction of the transmission shafts stiffness makes it increasingly difficult to improve or even keep the current level of comfort while designing new models. The objective of this thesis is thus to analyse the clutch comfort and to possibly find innovative ways of improving it. Since the meehanieal conception of the various elements eomposing the drivcline has long since been optimised the main foeus will be on a more holistic system view of the problem.
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Submitted on : Friday, September 14, 2007 - 4:55:06 PM
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  • HAL Id : tel-00172303, version 1

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Pietro Dolcini. Contribution au confort de l'embrayage. Automatique / Robotique. Institut National Polytechnique de Grenoble - INPG, 2007. Français. ⟨tel-00172303⟩

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