Paper Title:
Chaos Control of Vehicle Nonlinear Suspension System with Multi-Frequency Excitations by Nonlinear Feedback
  Abstract

Vehicle suspension system with hysteretic nonlinearity has obvious nonlinear characteristics, which directly cause the system to the possibility of existence of bifurcation and chaos. Two degrees of freedom for the 1/4 body suspension model is established and the behavior of the system under road multi-frequency excitations is analyzed. In the paper, it reveals the existence of chaos in the system with the Poincaré map, phase diagram, time history graph, and its chaotic behavior is controlled by nonlinear feedback. Numerical simulation shows the effectiveness and feasibility of the control method with improved ride comfort. The results may supply theoretical bases for the analysis and optimal design of the vehicle suspension system.

  Info
Periodical
Edited by
Qi Luo
Pages
1156-1161
DOI
10.4028/www.scientific.net/AMM.55-57.1156
Citation
J. Y. Wang, H. T. Wang, L. M. Zheng, "Chaos Control of Vehicle Nonlinear Suspension System with Multi-Frequency Excitations by Nonlinear Feedback", Applied Mechanics and Materials, Vols. 55-57, pp. 1156-1161, 2011
Online since
May 2011
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