Show simple document record

dc.contributor.advisor[non identifié]fr
dc.contributor.authorMouflard, Loïcfr
dc.date.accessioned2014-05-14T19:56:46Z
dc.date.available2014-05-14T19:56:46Z
dc.date.created2010fr
dc.date.issued2010fr
dc.identifier.isbn9780494836590fr
dc.identifier.urihttp://savoirs.usherbrooke.ca/handle/11143/1592
dc.description.abstractThe main objective of this research project is to study the feasibility and effectiveness of active structural control of car's suspension. These structural vibrations are transmitted to the chassis and radiate noise, called road noise, inside the cabin of a car. This project should lead to a reduction of the level of noise inside the vehicle. This project is accomplished in collaboration with research group AUTO 21, GM Canada and Acoustics Group of Université de Sherbrooke (GAUS). Firstly, experimental measurements of primary vibroacoustic transfer functions have been performed on a vehicle stationed. The disturbance is provided by a shaker mounted on the axis of the wheel and the measurement is taken by microphones inside the cabin. Suspension and cabin modal frequencies have been identified in the frequency band [0-500] Hz. Then, experimental measurements of secondary vibroacoustic transfer functions have been performed on the vehicle. The secondary disturbance is provided by an inertial actuator mounted at different positions and different orientations on the suspension and the measurement is taken by microphones inside the cabin. Using optimal control, an estimated value of radiated noise reduction inside the cabin has been found for different actuator configurations. Finally, Singular Value Decomposition (SVD) has been tested with experimental data in order to find an actuator configuration able to reduce radiated noise inside the cabin for minimum effort and/or minimum number of control actuators.fr
dc.language.isofrefr
dc.publisherUniversité de Sherbrookefr
dc.rights© Loïc Mouflardfr
dc.subjectDécomposition en valeurs singulièresfr
dc.subjectFréquences modalesfr
dc.subjectFonctions de transfertfr
dc.subjectBruit de roulementfr
dc.subjectContrôle actiffr
dc.titleÉtude de mise en oeuvre d'un contrôleur vibratoire à grand nombre de canaux pour une suspension automobile Buick Centuryfr
dc.typeMémoirefr
tme.degree.disciplineGénie mécaniquefr
tme.degree.grantorFaculté de géniefr
tme.degree.levelMaîtrisefr
tme.degree.nameM. Sc. A.fr


Files in this document

Thumbnail

This document appears in the following Collection(s)

Show simple document record