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针对四辊轧机弯辊电液伺服控制系统，进行供油压力波动对系统输出精度影响及通过动压反馈网络改善系统动态品质的实验研究，获得系统输出压力变化与供油压力波动量及系统带宽之间的关系，证明动压反馈网络的消扰作用，为确定伺服油源允许压力波动范围和精确设计恒压源系统提供依据。
Aiming at the bending servo electro-hydraulic servo control system of four-high mill, the influence of the pressure fluctuation on the output precision of the system and the experimental study on improving the dynamic quality of the system through the dynamic pressure feedback network were studied. The variation of output pressure, To prove the destructive effect of the dynamic pressure feedback network and provide the basis for determining the range of pressure fluctuation allowed by the servo oil source and precisely designing the constant pressure source system.