Control of Damping Nonlinearity of Semi-Active Suspension

Shao Hua Wang; Ruo Chen Wang

doi:10.4028/www.scientific.net/KEM.464.233

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 464Control of Damping Nonlinearity of Semi-Active...

Control of Damping Nonlinearity of Semi-Active Suspension

Abstract:

Based on Hopf bifurcation and singularity theory, this paper analyzes the damping nonlinearity of vehicles’ semi-active suspension and reveals the dynamics characteristics of this suspension. Taking the damping nonlinearity into consideration, this paper establishes a fuzzy dynamic model of vehicles’ semi-active suspension and proposes its control strategies. Bench tests are also carried out by means of simulation computation and the results show that the fuzzy dynamic model of vehicles’ semi-active suspension can solve the nonlinear problems and simulation computation is close to experiments. It provides reference for the practical application of vehicles’ semi-active suspension.

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Periodical:

Key Engineering Materials (Volume 464)

Pages:

233-236

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.464.233

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Online since:

January 2011

Authors:

Shao Hua Wang, Ruo Chen Wang

Keywords:

Bench Test, Fuzzy Dynamic Model, Hopf Bifurcation, Semi-Active Suspension, Singularity Theory

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