The electro - hydraulic servo valve is the key part of the electro - hydraulic servo control system 电液伺服阀是应用在电液伺服控制系统中的关键部件。
Servo valves consists of feedback - electric - hydraulic servo valve and position feedback servo valves 伺服阀主要分为力反馈式电液伺服阀和位置反馈式伺服阀
Electro - hydraulic servo valve test is of very importance in scientific research and engineering 电液伺服阀静、动态特性指标的测试在科学研究和工程实践中，有着极为重要的意义。
This dissertation makes an attempt in the loading methods on servo valve and replaces the common throttle valve with a proportional throttle valve 本文在电液伺服阀的加载方式上做了新的尝试，首次将普通节流阀替换为比例节流阀。
Because of the high controlling precision and the fast dynamic response of the electrical - hydraulic servo valves , they are widely used in hydraulic control systems 电液伺服阀由于控制精度高，动态响应好等优点，在液压控制中已得到了广泛的应用和发展。
The mathematical model is also built and system nonlinear effects are analyzed , especially nonlinear effects of electro - hydraulic servovalve , pump station , and pipes 分析研究了系统非线性的影响，特别是电液伺服阀的非线性、油源、管道等因素的影响，建立了系统的数学模型。
Electrohydraulic servovalve is a kind of important competent in the electrohydraulic servo control system , its condition decides the performance of the whole system 电液伺服阀是结合了机械、电子和液压技术的高度精密部件，它的性能直接影响甚至决定整个电液伺服系统系统的性能。
The hydraulic servo system using electric - fluid servo valves to realize closed loop positioning control integrated with electromagnetic direct - change valve to realize the arms " compliance control was designed 设计了采用电液伺服阀实现闭环位置控制，结合电磁换向阀实现手臂的柔顺控制的液压系统。
Some techniques in developing software are discussed . in chapter five , the thesis first presents some actual test result . the measurement performance of the cat system is discussed 第五章给出了cat系统对电液伺服阀进行试验研究的结果，考核了测试系统的精度，介绍了软件中对测量误差的排除方法。
This text servo each that valve control hydrostatic bearing to keep and support structure carry on exhaustive design calculate comparatively on electric liquid , and analysis in detail that has designed the electric liquid servo valve 本文就电液伺服阀控制的双腔静压支承结构进行了较为详尽的设计计算，并详细分析设计了电液伺服阀。
