Synchroniser modeling with application specific to the dual clutch transmission

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Show simple item record Walker, PD Zhang, N Tamba, RT Fitzgerald, SP
dc.contributor.editor Committee, CT 2010-05-28T10:01:41Z 2009-01
dc.identifier.citation Proceedings of the 13th Asia-Pacific Vibration Conference (APVC 09), 2009, pp. 1 - 10
dc.identifier.isbn 978-0-473-16050-0
dc.identifier.other E1 en_US
dc.description.abstract The synchromesh type synchroniser has been introduced to dual clutch transmission applications for gear selection prior to shifting. Historical research into this type of mechanism has targeted the application to manual transmission systems only. Such work targets the phenomena associated with driver feel such as shift effort and âdouble bumpâ . Now automated, the control of the synchroniser is less concerned with such aspects of the actuation, focus not trends towards repeatability of the process as well as speed of engagement. The actuation of this type of mechanism relies on the balancing of torques derived from engagement chamfers, the cone clutch and losses experienced in the transmission. These torques affect the displacement of sleeve, asynchronisation of the target gear, as well as the unblocking of synchroniser ring and indexing of the gear to the locked position. Thus a simplified model of the synchroniser mechanism and associated gear is developed for the purpose of simulating its operation in a dual clutch transmission. Unlike similar simulations this model targets the actuation of the mechanism using input forces from the controller, rather than using the control of sleeve displacement to determine maximum forces experience by the driver. To assess how operating characteristics have varied the mechanism has been modelled in the Matlab® environment. This paper presents the techniques used to model the mechanism, including the governing principles of synchroniser actuation and drag torque. Simulation results demonstrate that the primary variation in the mechanism is through the indexing chamfers. Additionally the influence of temperature variation is demonstrated for a fifth gear upshift, and the detrimental effects of cold starts demonstrated.
dc.publisher University of Canterbury, Christchurch, New Zealand
dc.title Synchroniser modeling with application specific to the dual clutch transmission
dc.type Conference Proceeding
dc.parent Proceedings of the 13th Asia-Pacific Vibration Conference (APVC 09)
dc.journal.number en_US
dc.publocation New Zealand en_US
dc.identifier.startpage 1 en_US
dc.identifier.endpage 10 en_US FEIT.Faculty of Engineering & Information Technology en_US
dc.conference Verified OK en_US
dc.conference Asia Pacific Vibration Conference
dc.for 091304 Dynamics, Vibration and Vibration Control
dc.personcode 950854
dc.personcode 107948
dc.percentage 100 en_US Dynamics, Vibration and Vibration Control en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom Asia Pacific Vibration Conference en_US 20091122 en_US 2009-11-22
dc.location.activity Christchurch, New Zealand en_US
dc.description.keywords Synchroniser, Dual clutch transmission, Drag torque en_US
pubs.embargo.period Not known
pubs.organisational-group /University of Technology Sydney
pubs.organisational-group /University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group /University of Technology Sydney/Faculty of Engineering and Information Technology/School of Elec, Mech and Mechatronic Systems
utslib.copyright.status Open Access 2015-04-15 12:23:47.074767+10
utslib.collection.history General (ID: 2)

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