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The simulation analysis of fuzzy-PID controller of active automobile suspension

Chen Le-sheng

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Abstract

This paper applied the excellent mixture of PID and fuzzy logic theory to design the fuzzy-PID logic controller of the active suspension by the establishment of dynamics model of an automobile active suspension and road input model;simulates in the environment of Matlab/Simulink and compare the simulation results with the conventional passive suspension and the suspension with a PID controller.The simulation results demonstrate that the suspension with the fuzzy-PID logic controller can effectively decrease the passenger vertical acceleration and vehicle's riding performances.

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What this paper is about

This paper applied the excellent mixture of PID and fuzzy logic theory to design the fuzzy-PID logic controller of the active suspension by the establishment of dynamics model of an automobile active suspension and road input model;simulates in the environment of Matlab/Simulink and compare the simulation results with the conventional passive suspension and the suspension with a PID controller.The simulation results demonstrate that the suspension with the fuzzy-PID logic controller can effectively decrease the passenger vertical acceleration and vehicle's riding performances.

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Available abstract

This paper applied the excellent mixture of PID and fuzzy logic theory to design the fuzzy-PID logic controller of the active suspension by the establishment of dynamics model of an automobile active suspension and road input model;simulates in the environment of Matlab/Simulink and compare the simulation results with the conventional passive suspension and the suspension with a PID controller.The simulation results demonstrate that the suspension with the fuzzy-PID logic controller can effectively decrease the passenger vertical acceleration and vehicle's riding performances.

Key concepts: PID controller, Suspension (topology), Control theory (sociology), Active suspension, MATLAB, Fuzzy logic, Acceleration, Controller (irrigation)

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