Study on the Fuzzy Control Simulation of the Active Suspension

An automotive active suspension model about two-degree-of-freedom is built,according to the structure of the automative suspension.In order to improve the ride comfortability and safety,the active suspension is used in the vehicle.The fuzzy control has advantages of being easy to build up model,high precision and good nonlinear adaptability,etc,so it has been widely used in the active suspension control of the vehicle.The fuzzy controller selected the velocity and acceleration of the automotive body as the inputs to realize the control of the active suspension.Meanwhile,for this simulation analysis a vehicle active suspension model was chosen as the object,using MATLAB/Simulink controlling system to simulate the results.The results show that the performance of the active suspension designed with the fuzzy controller is better than the passive suspension in the ride comfortability and safety.