Effects of non-linear wheel suspension bushing on vehicle response

Jerrelind, JennyKTH,Fordonsdynamik,VinnExcellence Center for ECO2 Vehicle design (author)

QC 20131017
This work presents an analysis of the effects of non-linear characteristics of a top mount bushing in the wheel suspension of a vehicle when evaluating vehicle characteristics such as comfort and handling. The investigation is performed by comparing simulation results from a quarter car model when using a non-linear bushing model and an approximated linear bushing model. It is revealed when analysing the results that there are differences in the response when comparing measures such as sprung mass acceleration, rattle space ratio and tyre-ground contact force. The conclusion is that the more detailed bushing model mainly affects the acceleration levels especially at high frequencies where the linear model underestimates the acceleration. The rattle space ratio and tyre-ground contact force are also affected but not to the same extent.

Lopez Arteaga, InesKTH,VinnExcellence Center for ECO2 Vehicle design,MWL Marcus Wallenberg Laboratoriet(Swepub:kth)u1gy0h8d (author)
Drugge, LarsKTH,Fordonsdynamik,VinnExcellence Center for ECO2 Vehicle design(Swepub:kth)u1gjx48k (author)
Kari, LeifKTH,MWL Marcus Wallenberg Laboratoriet,VinnExcellence Center for ECO2 Vehicle design(Swepub:kth)u1et0yya (author)
KTHFordonsdynamik (creator_code:org_t)

In:Proceedings of the ASME Design Engineering Technical Conferences And Computers And Information In Engineering Conference, Vol 6: ASME Press, s. 615-6229780791845059

By the author/editor: Jerrelind, Jenny; Lopez Arteaga, I ...; Drugge, Lars; Kari, Leif

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