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Primary Resonance of a Vehicle Suspension System With Nonlinear Stiffness and Nonlinear Damping

[+] Author Affiliations
Shaohua Li

Beijing Jiaotong University, Beijing, China

Shaopu Yang

Shijiazhuang Railway Institute, Shijiazhuang, Hebei, China

Paper No. ESDA2006-95027, pp. 1-7; 7 pages
  • ASME 8th Biennial Conference on Engineering Systems Design and Analysis
  • Volume 2: Automotive Systems, Bioengineering and Biomedical Technology, Fluids Engineering, Maintenance Engineering and Non-Destructive Evaluation, and Nanotechnology
  • Torino, Italy, July 4–7, 2006
  • ISBN: 0-7918-4249-5 | eISBN: 0-7918-3779-3
  • Copyright © 2006 by ASME


In this work, primary resonance of a single-degree-of-freedom (SDOF) vehicle suspension system with nonlinear stiffness and nonlinear damping under multi-frequency excitations is investigated. The primary resonance equation is obtained by average method, and then the system’s bifurcation behaviors are studied by singularity theory. In addition, the effect of changing physical model parameters on the system’s primary resonance is studied.

Copyright © 2006 by ASME



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