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Dynamic Analysis of Double Wishbone Front Suspension Systems for Sport Motorcycles

Tomas-Rodriguez, M. and Moreno-Ramirez, C. (2018). Dynamic Analysis of Double Wishbone Front Suspension Systems for Sport Motorcycles. Nonlinear Dynamics, 91(4), pp. 2437-2368. doi: 10.1007/s11071-017-4017-9

Abstract

In this paper, two alternative front suspension systems and their influence on motorcycle dynamics are investigated. Based on an existing motorcycle mathematical model, the front end is modified to accommodate both Girder and Hossack suspension systems. Both of them have in common a double wishbone design that varies the front end geometry on certain manoeuvrings and, consequently, the machine’s behaviour. The kinematics of the two systems and their impact on the motorcycle performance is analysed and compared to the well known telescopic fork suspension system. Stability study for both systems is carried out by means of root-loci methods, in which the main oscillation modes, weave and wobble, are studied and compared to the baseline model.

Publication Type: Article
Additional Information: This is a post-peer-review, pre-copyedit version of an article published in''Nonlinear Dynamics'. The final authenticated version is available online at: http://dx.doi.org/10.1007/s11071-017-4017-9.
Publisher Keywords: Motorcycle ,Vehicle dynamics, Mathematical modelling, Stability analysis, Suspension systems
Departments: School of Mathematics, Computer Science & Engineering > Engineering
School of Mathematics, Computer Science & Engineering > Engineering > Mechanical Engineering & Aeronautics
URI: http://openaccess.city.ac.uk/id/eprint/18640
[img] Text - Accepted Version
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