The vibrations caused by road imperfections, which are transmitted to a car frame through the suspension, are one of the major sources of ambient noise inside the passenger compartment of an automobile. / A solution to this problem is the addition of feedback-controlled actuators between the suspension attachment points and the car frame. These actuators can be driven to provide an active control of the vibrations, thus reducing greatly the magnitude of the forces exerted on the car frame at the suspension attachment points. In order to implement a robust yet effective controller, a model of a ¼ car suspension (suspension associated to a single wheel) is derived from experimentally acquired data. The structure's modal parameters are extracted from Frequency Response data, and are used to obtain a state-space realization. The performance of controller design techniques such as LQR and Hinfinity is assessed through simulation using the model of the suspension.
| Identifer | oai:union.ndltd.org:LACETR/oai:collectionscanada.gc.ca:QMM.80138 |
| Date | January 2003 |
| Creators | Roumy, Jean-Gabriel |
| Contributors | Boulet, Benoit (advisor) |
| Publisher | McGill University |
| Source Sets | Library and Archives Canada ETDs Repository / Centre d'archives des thèses électroniques de Bibliothèque et Archives Canada |
| Language | English |
| Detected Language | English |
| Type | Electronic Thesis or Dissertation |
| Format | application/pdf |
| Coverage | Master of Engineering (Department of Electrical and Computer Engineering.) |
| Rights | All items in eScholarship@McGill are protected by copyright with all rights reserved unless otherwise indicated. |
| Relation | alephsysno: 002085321, proquestno: AAIMQ98561, Theses scanned by UMI/ProQuest. |
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