摘要
采用振幅作为控制参数,应用增量谐波平衡法,求得方程解的表达式,分析了系统的分岔和极限环振动现象,并用龙格库塔法进行数值计算验证,结果表明:增量谐波平衡法在汽车转向轮摆振分析中有效可靠,有足够的精度,并运用Floquet理论对周期解的稳定性进行分析,进而确定了极限环的稳定性,最后分析了各结构参数对摆振的影响。
By applying incremental harmonic balance method with vibration amplitude as control parameter,the expression of equation solutions is obtained and the phenomena of bifurcation and limit cycle vibration are analyzed and verified numerically by Runge-Kutta method.The results indicate that the incremental harmonic balance method is effective and reliable with adequate accuracy in analyzing steering wheels shimmy of vehicle.Then,the stability of periodic solution is analyzed using Floquet theory,and the stability of limit cycle is determined.Finally,the influences of system parameters on steering wheel shimmy are analyzed.
出处
《汽车工程》
EI
CSCD
北大核心
2011年第2期142-147,共6页
Automotive Engineering
关键词
汽车转向轮
摆振
极限环
分岔
增量谐波平衡法
vehicle steering wheels
shimmy
limit cycle
bifurcation
incremental harmonic balance method
