By analyzing the basic principle and mathematics model of an electro-hydraulic servo unit for ship rudder, this paper designs a single neuron adaptive PID controller.

在分析了船用舵机电液伺服单元的基本原理和数学模型的基础上，设计了单神经元自适应PID控制器。

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The electro-hydraulic servo unit which the system used, is the digital electro-hydraulic servo unit, the servo amplifier is embedded in the electro-hydraulic servo valve;

系统的电液伺服装置为数字式电液伺服装置，其中，伺服放大器嵌入在电液伺服阀中；

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Aiming at the problems as the nonlinear factors and the position disturbance in the electro-hydraulic servo loading system of pumping unit, the conventional control method cant attain perfect effect.

抽油机电液伺服加载系统存在非线性和位置扰动引起的准确度问题，传统的控制方法不能达到理想的效果。

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