Vertical dynamics of riding cars under stochastic and harmonic base excitations

被引：0
|
作者：
Wedig, WV [1 ]
机构：
[1] Univ Karlsruhe, TH, Inst Tech Mech, Karlsruhe, Germany
来源：
IUTAM Symposium on Chaotic Dynamics and Control of Systems and Processes in Mechanics | 2005年 / 122卷
关键词：
vertical car dynamics; resonant car speeds; bilinear damping; Lyapunov exponents; chaos and exponential growth;
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Cars riding on rough road surfaces possess critical speeds for which the vertical car vibrations become resonant. The paper investigates these effects in case of harmonic and stochastic base excitations. The investigations are extended to nonlinear dynamics to calculate Lyapunov exponents and rotation numbers for quarter car models with bilinear damping characteristics. In the nonlinear case there are critical parameter values of the wheel suspension where stationary car vibrations bifurcate into chaos and exponential growth behavior.
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页码：371 / 381
页数：11
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