Analysis and simulation of clutch engagement judder and stick-slip in automotive powertrain systems

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dc.contributor.author Crowther, Ashley en_US
dc.contributor.author Zhang, Nong en_US
dc.contributor.author Liu, Dikai en_US
dc.contributor.author Jeyakumaran, Jeku en_US
dc.date.accessioned 2009-12-21T02:32:07Z
dc.date.available 2009-12-21T02:32:07Z
dc.date.issued 2004 en_US
dc.identifier 2004000993 en_US
dc.identifier.citation Crowther Ashley et al. 2004, 'Analysis and simulation of clutch engagement judder and stick-slip in automotive powertrain systems', Professional Engineering Publishing Ltd, vol. 218, no. 12, pp. 1427-1446. en_US
dc.identifier.issn 0954-4070 en_US
dc.identifier.other C1 en_US
dc.identifier.uri http://hdl.handle.net/10453/4171
dc.description.abstract Clutch engagement judder and stick-slip are investigated analytically and numerically to examine the influencing factors on these phenomena. Models are developed for a four degree-of-freedom (4DOF) torsional system with slipping clutch and for a powertrain with automatic transmission system. Stability analysis is performed to demonstrate that clutch judder is dependent on the slope of the friction coefficient and the analysis is verified with numerical simulations. An algorithm for modelling stick-slip is developed and is used in numerical simulations which show that the likelihood of stick-slip is increased by clutch pressure fluctuations, judder approaching engagement, and external torque fluctuations. Numerical simulations for second to thin gear up shifts demonstrate that the likelihood of stick-slip to occur from clutch engagement is increased by clutch applied pressure fluctuations, judder approaching engagement, and external torque fluctuations and that the likelihood of stick-slip occurring is decreased dramatically by applied pressure ramps proximus to the engagement point. en_US
dc.publisher Professional Engineering Publishing Ltd en_US
dc.relation.isbasedon http://dx.doi.org/10.1243/0954407042707731 en_US
dc.title Analysis and simulation of clutch engagement judder and stick-slip in automotive powertrain systems 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 12 en_US
dc.publocation Bury St Edmunds, England en_US
dc.identifier.startpage 1427 en_US
dc.identifier.endpage 1446 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 94066091 en_US
dc.personcode 950854 en_US
dc.personcode 000350 en_US
dc.personcode 044450 en_US
dc.percentage 100 en_US
dc.classification.name Automotive Engineering en_US
dc.classification.type FOR-08 en_US
dc.description.keywords Modeling ; Friction coefficient ; Slip system ; Torsional vibration ; Slip ; Lubrication ; Gear ; Pressure fluctuation ; Automatic transmission ; Motor car ; Stick slip ; Friction clutch en_US
dc.staffid 044450 en_US


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