Optimal vehicle handling, good driving pleasure, best comfort for passengers, effective and efficient isolation of road noise and vibration in suspension systems has been a key research area. In this paper two control techniques; a conventional Proportional Integral and Derivative (PID) and intelligent Fuzzy Logic Control (FLC) schemes are proposed and compared for the passive quarter car suspension system. MATLAB Simulink environment was used for both designs, investigation of the effects of

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... e two control techniques, their comparison and verification of the results obtained and the results are shows the effectiveness of the controllers.