Nonlinear Dynamics Analysis of the Semiactive Suspension System with Magneto-Rheological Damper

被引：0

作者：

Zhang, Hailong ^{[1
,2
]}

Wang, Enrong ^{[2
]}

Min, Fuhong ^{[2
]}

Zhang, Ning ^{[1
]}

Su, Chunyi ^{[3
]}

Rakheja, Subhash ^{[3
]}

机构：

[1] Nanjing Normal Univ, Sch Phys & Technol, Magnetoelect Lab, Nanjing 210046, Jiangsu, Peoples R China

[2] Nanjing Normal Univ, Sch Elect & Automat Engn, Vibrat Control Lab, Nanjing 210042, Jiangsu, Peoples R China

[3] Concordia Univ, Dept Mech Engn, Ctr Adv Vehicle Engn, Montreal, PQ H3G 1M8, Canada

来源：

SHOCK AND VIBRATION | 2015年 / 2015卷

基金：

美国国家科学基金会;

关键词：

VEHICLE SUSPENSION; BIFURCATION; STABILITY;

D O I：

10.1155/2015/971731

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

This paper examines dynamical behavior of a nonlinear oscillator which models a quarter-car forced by the road profile. The magneto-rheological (MR) suspension system has been established, by employing the modified Bouc-Wen force-velocity (F-v) model of magneto-rheological damper (MRD). The possibility of chaotic motions in MR suspension is discovered by employing the method of nonlinear stability analysis. With the bifurcation diagrams and corresponding Lyapunov exponent (LE) spectrum diagrams detected through numerical calculation, we can observe the complex dynamical behaviors and oscillating mechanism of alternating periodic oscillations, quasiperiodic oscillations, and chaotic oscillations with different profiles of road excitation, as well as the dynamical evolutions to chaos through period-doubling bifurcations, saddle-node bifurcations, and reverse period-doubling bifurcations.

引用

页数：12

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