Study on Control Technology for Vehicle Active Suspension

Xiao Bin Fan; Bing Xu Fan; Hui Gang Wang

doi:10.4028/www.scientific.net/AMM.143-144.69

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 143-144Study on Control Technology for Vehicle Active...

Study on Control Technology for Vehicle Active Suspension

Abstract:

An active suspension system has been proposed to improve the ride comfort. A quarter-car 2 degree-of-freedom system is designed and constructed on the basis of the concept of a four-wheel independent suspension. The aim of the work described in the paper was to illustrate the application of fuzzy Proportional Integration Derivative (PID) technique and Linear Quadratic Guass (LQG) control to the active suspension control system. The paper describes also the model and controller used in the study and discusses the vehicle response results obtained from a range of road input simulations. This work describes some comparison of active suspension fuzzy PID control and LQG control design method by MATLAB simulations. Simulation results show that the LQG controller achieved better performances in all carried-out investigations.

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Periodical:

Applied Mechanics and Materials (Volumes 143-144)

Pages:

69-73

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.143-144.69

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Online since:

December 2011

Authors:

Xiao Bin Fan, Bing Xu Fan, Hui Gang Wang

Keywords:

Active Suspension, Fuzzy, Optimal Control, PID Control

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References

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