Abstract

In order to analyze the system dynamic performance of conventional PID control and fuzzy PID control, the system transfer function is established by analyzing the working principle of each module of the system. Based on the theory of conventional PID control, the control parameter tuning method is analyzed and the frequency domain analysis method is used to complete the initial tuning of PID control parameters. Then the fuzzy control algorithm is further studied, and the change rule of the system response curve is combined with the tuning method of PID control parameters to optimize the design of the fuzzy rule table to complete the final tuning of the fuzzy PID control parameters. Finally, the system model of the two kinds of control is built by using Matlab/simulink tool, and the result of better dynamic performance of the fuzzy PID control system is obtained by comparing the simulation data.

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