：针对3-业过程控制中传统PID控制器的不足，介绍了模糊自整定PID控制器的设计方法-: For 3- business process control, the lack of traditional PID controller, introduced the fuzzy PID controller design method, the fuzzy PID algorithm used in steam turbine power frequency electro-hydraulic control system and fuzzy PID algorithm PID algorithm with the traditional compared