Stability, Bifurcation, and Quenching Chaos of a Vehicle Suspension System

被引：2

作者：

Chen, Chun-Cheng ^{[1
]}

Chang, Shun-Chang ^{[2
]}

机构：

[1] Natl Yunlin Univ Sci & Technol, Grad Sch Technol & Vocat Educ, Touliu 64002, Yunlin, Taiwan

[2] Da Yeh Univ, Dept Mech & Automat Engn, Changhua 51591, Taiwan

来源：

JOURNAL OF ADVANCED TRANSPORTATION | 2018年

关键词：

H-INFINITY CONTROL; FEEDBACK-CONTROL; MODEL; OSCILLATOR; VIBRATION; DYNAMICS; PROFILE; MOTION;

D O I：

10.1155/2018/4218175

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This study investigated the dynamics and control of a nonlinear suspension system using a quarter-car model that is forced by the road profile. Bifurcation analysis used to characterize nonlinear dynamic behavior revealed codimension-two bifurcation and homoclinic orbits. The nonlinear dynamics were determined using bifurcation diagrams, phase portraits, Poincare maps, frequency spectra, and Lyapunov exponents. The Lyapunov exponent was used to identify the onset of chaotic motion. Finally, state feedback control was used to prevent chaotic motion. The effectiveness of the proposed control method was determined via numerical simulations.

引用

页数：12

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