Effect of a half-toroidal continuously variable unit on the dynamics of a complete powertrain: a parametric free vibration analysis

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dc.contributor.author Dutta-Roy, Tonmoy en_US
dc.contributor.author Zhang, Nong en_US
dc.date.accessioned 2009-12-21T02:32:44Z
dc.date.available 2009-12-21T02:32:44Z
dc.date.issued 2004 en_US
dc.identifier 2004000243 en_US
dc.identifier.citation Dutta-Roy Tonmoy and Zhang Nong 2004, 'Effect of a half-toroidal continuously variable unit on the dynamics of a complete powertrain: a parametric free vibration analysis', Professional Engineering Publishing Ltd, vol. 218, no. 5, pp. 471-484. en_US
dc.identifier.issn 0954-4070 en_US
dc.identifier.other C1 en_US
dc.identifier.uri http://hdl.handle.net/10453/4342
dc.description.abstract The paper presents a simplified parametric model of a half-toroidal continuously variable unit (CVU) by using a finite element (FE) method in which the continuously variable speed unit is discretized into lumped masses and damper and spring elements. Linearized FE elements have been used to model the contact between the toroids and the rollers. All the FE elements, including the CVU model, are integrated into the complete powertrain system. Free torsional vibration analysis of the complete powertrain system has been carried out. Significant changes are observed in the natural frequencies as well as the modal shapes of the complete powertrain with respect to different gear ratios of the CVU and the various contact torsional stiffness. A potential problem with the powertrain system has also been identified, and remedial action has been proposed. The system characteristics have further been investigated with a lock-up clutch incorporated in the powertrain system. en_US
dc.publisher Professional Engineering Publishing Ltd en_US
dc.relation.isbasedon http://dx.doi.org/10.1243/095440704774061138 en_US
dc.title Effect of a half-toroidal continuously variable unit on the dynamics of a complete powertrain: a parametric free vibration analysis en_US
dc.parent Proceedings Of The Institution Of Mechanical Engineers, Part D: Journal Of Automobile Engineering en_US
dc.journal.volume 218 en_US
dc.journal.number en_US
dc.journal.number 5 en_US
dc.publocation Bury St Edmunds, England en_US
dc.identifier.startpage 471 en_US
dc.identifier.endpage 484 en_US
dc.cauo.name FEIT.School of Elec, Mech and Mechatronic Systems en_US
dc.conference Verified OK en_US
dc.for 090200 en_US
dc.personcode 10012209 en_US
dc.personcode 950854 en_US
dc.percentage 100 en_US
dc.classification.name Automotive Engineering en_US
dc.classification.type FOR-08 en_US
dc.description.keywords Continuously variable drive ; Potential function ; Finite element method ; Modeling ; Spring ; Varying speed ; Free vibration ; Parametric excitation ; Damper ; Structural analysis en_US
dc.staffid 950854 en_US


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