A hybrid control method for passive electro-hydraulic servo loading system was proposed based on new compensation structure and nonlinear PID controller.
研究了基于新型补偿结构和非线性PID控制器的被动式电液伺服加载复合控制方法。
A kind of hydraulic servo loading system controlled by microcomputer is developed to overcome the shortcomings of the loading methods now used in the performance test of pumping units.
针对目前抽油机性能测试中加载方法的某些不足，设计并研制出一种应用微机控制的液压伺服加载系统。
The electro hydraulic servo loading system of pumping unit is a kind of position disturbance servo loading system, and there are nonlinear uncertain factors and position disturbance in it.
抽油机电液伺服加载系统是一种位置扰动型的施力系统，存在着非线性、不确定因素及由于位置扰动引起的多余力，传统的控制方法不能达到理想的效果。
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。
The delay estimation and compensation are key problems in real-time substructure testing because the delay of servo-hydraulic loading system may induce failure due to experimental instability.
在实时子结构试验中，液压伺服加载系统的时滞可能导致试验因丧失稳定而失败，因而时滞估计和补偿是该类试验的关键问题之一。
A pneumatic-hydraulic multi-channel coordinated loading system is presented. It can realize coordinated loading between hydraulic servo control channels and pneumatic proportional control channels.
对气液多通道协调加载系统进行了设计研究，实现了液压伺服加载系统与气动比例加载系统的同步协调加载控制。
Model reference control and repetitive control were applied in multi-channel electric hydraulic synchron-force servo loading system, and a new control method based on online learning was put forward.
将模型参考控制和重复控制相结合应用到多通道电液力同步加载系统中，提出了一种在线学习控制的新方法。
As a typical servo system for simulating various loads in the experiment, the electro-hydraulic loading system is quite a complex machine-electricity-hydraulic multiple system.
由于是一个典型的力伺服系统，而且在仿真实验过程中需要模拟各种载荷的变化情况，电液伺服加载系统是一个相当复杂的机—电—液复合系统。
As a typical servo system for simulating various loads in the experiment, the electro-hydraulic loading system is quite a complex machine-electricity-hydraulic multiple system.
由于是一个典型的力伺服系统，而且在仿真实验过程中需要模拟各种载荷的变化情况，电液伺服加载系统是一个相当复杂的机—电—液复合系统。
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