Hydraulically interconnected vehicle suspension: handling performance

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dc.contributor.author Smith, W
dc.contributor.author Zhang, N
dc.contributor.author Hu, W
dc.date.accessioned 2012-02-02T10:57:07Z
dc.date.issued 2011-01
dc.identifier.citation Vehicle System Dynamics, 2011, 49 (1-2), pp. 87 - 106
dc.identifier.issn 0042-3114
dc.identifier.other C1 en_US
dc.identifier.uri http://hdl.handle.net/10453/15408
dc.description.abstract This paper extends recent research on vehicles with hydraulically interconnected suspension (HIS) systems. Such suspension schemes have received considerable attention in the research community over the last few years. This is due, in part, to their reported ability to provide stiffness and damping rates dependent on the suspension mode of operation (i.e. the bounce, roll, pitch or articulation of the unsprung masses relative to the sprung mass), rather than relying on the stiffness and damping characteristics of the single wheel stations. The paper uses a nine-degrees-of-freedom (DOF) vehicle model and simulations of a fishhook manoeuvre to assess the handling performance of a vehicle when it is fitted with: (a) a conventional independent suspension, and (b) an HIS. In the case of the latter, the fluid subsystem is modelled using a nonlinear finite-element approach, resulting in a set of coupled, first-order nonlinear differential equations, which describe the dynamics of the integrated mechanicalhydraulic vehicle system. The simulation results indicate that, in general, the HIS-equipped vehicle possesses superior handling, as measured by the sprung mass roll angle, roll rate, roll acceleration, lateral acceleration and the vehicleâs Rollover Critical Factor. The potential effects of the suspension set-up on ride performance are also considered by studying the transient response when one side of the vehicle traverses a half-sine bump. The obtained results are then discussed, and it is shown that they are consistent with previous findings, both by the authors and other researchers. The presented work outlines an alternative approach for studying the dynamics of HIS-equipped vehicles, particularly suited to analyses in the time domain.
dc.publisher Taylor & Francis Ltd
dc.relation.isbasedon 10.1080/00423111003596743
dc.title Hydraulically interconnected vehicle suspension: handling performance
dc.type Journal Article
dc.parent Vehicle System Dynamics
dc.journal.volume 1-2
dc.journal.volume 49
dc.journal.number 1-2 en_US
dc.publocation United States en_US
dc.identifier.startpage 87 en_US
dc.identifier.endpage 106 en_US
dc.cauo.name FEIT.School of Elec, Mech and Mechatronic Systems en_US
dc.conference Verified OK en_US
dc.for 0902 Automotive Engineering
dc.personcode 950854
dc.personcode 040894
dc.personcode 996655
dc.percentage 100 en_US
dc.classification.name Automotive Engineering en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US
dc.date.activity en_US
dc.location.activity en_US
dc.description.keywords interconnected suspension; hydraulic system; vehicle dynamics; multi-body dynamics en_US
dc.description.keywords interconnected suspension
dc.description.keywords hydraulic system
dc.description.keywords vehicle dynamics
dc.description.keywords multi-body dynamics
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 Closed Access
utslib.copyright.date 2015-04-15 12:17:09.805752+10
utslib.collection.history Closed (ID: 3)


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