Abstract
This paper is concerned with a semi-active control for light cars using fuzzy reasoning. The semi-active control is designed by varying the damping forces of shock absorbers in order to improve ride comfort. The suspension strokes are measured using strain gauges on upper parts of suspension coil-springs. In the fuzzy inference process, the measurement and its derivative are used as input variables, and the damping force is obtained as the output of consequence where the damping force is divided into seven stages. The tuning of semi-active control is carried out assuming the light can model and road surface. The simulation results indicate that the proposed semi-active control is more effective in control performance and robustness than passive control.
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