MODELING AND SIMULATION OF NONLINEAR VIBRATION OF TIRE BASED ON THE FRICTION SELF-EXCITED

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Journal of Vibration and Shock ›› 2010, Vol. 29 ›› Issue (5) : 211-214.

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MODELING AND SIMULATION OF NONLINEAR VIBRATION OF TIRE BASED ON THE FRICTION SELF-EXCITED

Yang Xian-Wu;Zuo Shu-guang;Leilei;Wu Xu-dong

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Abstract

Polygonal wear of tire is one of the most pressing problems to be solved in the process of a vehicle’s research and design. Considering the nonlinear characteristic of tire’s grounding friction, a two-degree-of-freedom dynamic vibration model of the suspension-tire-tread system, taking time-delay into account, is established to research the polygonal wear of tire based on self-excited vibration theory. The sensitive parameters and speed range which can motivate self-excited vibration are calculated，as well as the phenomenon of hard self-excited vibration are proved to be reasonable at high speed after simulating in matlab/simulink. The dynamic vibration model can analyze the impact of suspension’s dynamic characteristic on tire’s polygonal wear and provide a theoretic foundation to reduce or eliminate the tire’s self-excited vibration.

Key words

tire / polygonal wear / self-excited vibration / nonlinear vibration / limit cycle

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Yang Xian-Wu;Zuo Shu-guang;Leilei;Wu Xu-dong. MODELING AND SIMULATION OF NONLINEAR VIBRATION OF TIRE BASED ON THE FRICTION SELF-EXCITED [J]. Journal of Vibration and Shock, 2010, 29(5): 211-214