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The Simulation Research of Vehicle Active Suspension Based on Fuzzy Control

Jin Ding

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Abstract

Based on the vehicle dynamics theory,the 2-DOF active suspension model was studied to establish its dynamic model and the road model.Besides,the fuzzy controller were designed with dynamic deflection of the suspension as the controlling object.The 2-DOF active suspension model and the stochastic uneven road model were established in Matlab/Simulink in combination of the fuzzy controller to simulate the performance of active suspension.The results show that the active suspension can effectively suppress vehicle vibration,and improve the riding performance and security.

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What this paper is about

Based on the vehicle dynamics theory,the 2-DOF active suspension model was studied to establish its dynamic model and the road model.Besides,the fuzzy controller were designed with dynamic deflection of the suspension as the controlling object.The 2-DOF active suspension model and the stochastic uneven road model were established in Matlab/Simulink in combination of the fuzzy controller to simulate the performance of active suspension.The results show that the active suspension can effectively suppress vehicle vibration,and improve the riding performance and security.

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Available abstract

Based on the vehicle dynamics theory,the 2-DOF active suspension model was studied to establish its dynamic model and the road model.Besides,the fuzzy controller were designed with dynamic deflection of the suspension as the controlling object.The 2-DOF active suspension model and the stochastic uneven road model were established in Matlab/Simulink in combination of the fuzzy controller to simulate the performance of active suspension.The results show that the active suspension can effectively suppress vehicle vibration,and improve the riding performance and security.

Key concepts: Active suspension, Suspension (topology), MATLAB, Control theory (sociology), Fuzzy logic, Controller (irrigation), Deflection (physics), Engineering

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