【Key words】 the servo valve； pneumatic measurement； cylindricity； automation； special fixture；
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Using the two parts, relative movements changes the flow area in order to reach the target of controlling fluid stream. It is the core of the servo valve.
电液伺服阀的功率级一般为滑阀副,起液压放大器的作用。
参考来源 - 阀套内孔形状误差气动测量系统的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
As a product, before the servo valve leaves factory, it should be tested strictly.
电液伺服阀作为产品，在出厂前须进行严格测试。
Static performance and frequency response test curves of the servo valve are given.
文中还给出了该阀的实验静态性能及动态频率特性曲线。
In dealing with the relationship of the servo valve position control and the adaptive control, the Double-loop control is adopted.
提出了伺服阀的位置控制和颤振的控制关系上采用可切换的双通道控制形式的设计思想。
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