用专家系统优化下面的PID参数或设计一个专家控制器，被控对象为 并与PI控制算法进项比较-use expert system optimization below the PID parameters, or a design expert controller, and object to the PI control algorithm with a credit comparison

Control strategies for extracting the three-phase reference currents for shunt active power filters are compared, uating their performance under different source conditions with PI and Fuzzy Controllers in MATLAB/Simulink environment When the supply