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。
To deal with the problems in the study of passive electrohydraulic servo loading system, a self-tuning control algorithm(FD-GMV) is proposed in this paper.
文章针对被动式电液伺服加载系统研究中存在的问题，提出了“有前馈可测扰动项的广义最小方差自校正控制”（FD-GMV）。
The influence of parameter changes and coupling disturbances on control property was analyzed in the rotational speed control system of the servo loading test equipment with secondary regulation.
针对二次调节伺服加载试验台转速控制系统，分析了参数变化和耦合干扰对系统控制性能的影响。
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