Active Suspensions for automobiles is considered to improve ride quality and handling of the vehicle. The study reported in this thesis deals with developing an active suspension taking into consideration different road irregularities on both side of the vehicle. For the purpose a fuzzy logic controller for each wheels of vehicle is considered as a control methodology of active suspension.;A front axle car suspension model is considered in the study to test the performance during different road irregularities on both side of the car. The Fuzzy logic controller suggested in the study is compared with Passive Suspensions, Active Suspensions using Linear Quadratic Regulator. The requirement of the proposed controller configuration is also proved by simulating the results for only one side fuzzy controlled. The thesis includes simulation results generated using Matlab-Simulink for each comparisons.
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