Paper Title:
Stiffness Matching and Ride Comfort Optimization of Heavy Vehicle's Suspension Based on ADAMS
  Abstract

In order to reasonably match suspension stiffness and realize the optimization of vehicle ride comfort, a time-domain virtual prototyping model of the 8×4 heavy vehicle is established based on dynamic software ADAMS, and its vertical vibration responses are simulated and analyzed on road level B. After that, an optimal design method for heavy vehicle’s suspension system is put forward. In this proposed method, the first, the second axle suspension stiffness and the balance suspension stiffness are taken as the optimal variables and the maximum values of Z-direction power spectral density (PSD) of the cab and cargo boxes mass center are chosen as the optimal target. By using SQP (Sequential Quadratic Programming) algorithms to conduct optimizing calculation, thus the optimal suspension stiffness parameters are obtained, which promotes and improves the heavy vehicle’s ride comfort.

  Info
Periodical
Edited by
Ran Chen
Pages
1734-1738
DOI
10.4028/www.scientific.net/AMM.44-47.1734
Citation
H. Pang, H. Y. Li, Z. D. Fang, J. F. Wang, "Stiffness Matching and Ride Comfort Optimization of Heavy Vehicle's Suspension Based on ADAMS", Applied Mechanics and Materials, Vols. 44-47, pp. 1734-1738, 2011
Online since
December 2010
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