Using fuzzy logic to control one quarter-car suspension system

The purpose of a car suspension system is to improve the ride comfort and to support the vehicle body. It usually consists of a spring and a damper. The aim of the work described in the paper was to illustrate the application of fuzzy logic technique to the control of a continuously damping automotive suspension system. The ride comfort is improved by means of the reduction of the body acceleration caused by the car body when road disturbances from smooth road and real road roughness. 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. In the conclusion, is shown using MATLAB simulations.