Considering the traditional valve control hydraulic system of servo valve is easy to be polluted by oil and cannot work normally

efficiency of valve controlled hydraulic system is low

throttling loss is large

resulting in energy waste problem. Servo motor direct drive hydraulic pump system due to the motor starting and turning process lags

so use the routine PID control effect is poor

fuzzy PID control algorithm is used to control servo motor direct drive hydraulic pump system. Using Matlab/Simulink simulation software

direct drive pump control fore support of roadway control system simulation model is established

and the establishment of advanced experimental support

using conventional PID and fuzzy PID algorithm are compared. The results of the study show that fuzzy PID algorithm

servo motor direct drive hydraulic pump of in advance hydraulic cylinder position changes of overshoot is lower

adjusting speed is faster and capable of fast tracking curve of given signal

and has good robustness.