In order to satisfy control algorithm demand of engineering servo system, changing between expert PID and fuzzy adaptive PID which is based on the value of output error and error change of control system, Expert-fuzzy adaptive PID controller algorithm is proposed in this paper. Applying the algorithm in servo control system of aircraft fuel experimentation, and simulating by Matlab software, the results show the new algorithm has the characteristics of high accuracy, good stability and strong robust of Fuzzy PID, also has the characteristic of fast response of expert PID, and has very good control performance.%为满足工程中伺服系统所用控制算法的要求，基于控制系统输出误差及误差变化率的大小，在专家PID和模糊自适应PID之间进行模式转换，提出一种基于专家控制的模糊自适应PID控制算法。将该算法用于飞机燃油全模试验伺服控制系统中，并使用Matlab进行仿真。结果表明，该算法既具有模糊PID控制精度高、稳态性好、鲁棒性强的优点，又继承了专家PID控制器响应快速的特点，具有很好的控制效果。
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