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Mass Damper Application to the Front Suspension of a Tilting Three Wheeler
Technical Paper
2010-32-0108
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The paper analyses an undesired dynamic behaviour which occurs at the front suspension of a tilting motorcycle having two front wheels and a rear one. In particular, experimental data obtained on a first prototype of the vehicle have shown that the amplitude of the hop oscillation of the two front wheels becomes very high when the velocity of the three wheeler is about 85 km/h.
In order to analyze the oscillations and to understand how to reduce them, a linear model of the front axle has been developed to estimate the eigenvectors and eigenvalues of the front suspension. Afterwards, two different ways to reduce the undesired oscillation are presented and evaluated. The obtained results show that, by the use of properly designed mass dampers, it is possible to greatly reduce the vibrations without affecting the handling behaviour of the vehicle.
Finally, a multibody model allowed to analyze the effects of different sources of nonlinearities such as those due to the tire contact forces.
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Authors
Citation
Sponziello, A., Frendo, F., Guiggiani, M., and Rossi, R., "Mass Damper Application to the Front Suspension of a Tilting Three Wheeler," SAE Technical Paper 2010-32-0108, 2010, https://doi.org/10.4271/2010-32-0108.Also In
References
- Cossalter, V. Motorcycle dynamics Race Dynamics Greendale 2002
- Milliken, W.F. Milliken, D.L. “Race Car Vehicle Dynamics,” R-146 1995 SAE International
- Pacejka, B. Tire and vehicle dynamics Butterworth-Heinemann Delft 2002
- Sponziello, A. Frendo, F. Guiggiani, M. “Stability Analysis of a Novel Three Wheeled Motorcycle,” SAE Int. J. of Engines 1 1 1396 1401 2008