A variable speed control hydraulic power system based on fuzzy immune PID control

A variable speed hydraulic power system has compact structure, less components, energy-saving and global power match. But it also exists slow response, poor low-speed characteristics. In this paper, a variable speed hydraulic power system is studied using fuzzy immune PID controller. The research result indicates that adopts the fuzzy-immune-PID controller can improve the response characteristics of the system; the system response achieved the expected control effect.