多数大伺服阀没有打开或关闭快。
伺服阀是伺服控制系统中的重要元件。
文章介绍了经这改进的伺服阀气动配磨系统。
This article mainly introduces an improved system of mate-grinding servo valve.
研制了一种全新结构的直接驱动电液伺服阀。
This paper develops a direct-drive electrohydraulic servo valve of a completely new structure.
介绍了电液伺服阀性能测试试验台的改造方案。
The test bedstand innovation scheme of the electrohydraulic servo valve performances is presented.
因此，抗污染能力成为电液伺服阀的重要指标。
So, the ability of antipollution becomes the important performance of electrohydraulic servo valve.
电液伺服阀作为产品，在出厂前须进行严格测试。
As a product, before the servo valve leaves factory, it should be tested strictly.
双电磁阀（电磁缓冲器）和伺服阀回路平行布置。
A two-solenoid valve (battery-buffered) is arranged in parallel to the servo circuit.
阐述伺服实验台测试伺服阀静态、动态性能的原理。
The article introduces servo test bench used in practical teaching and industry.
介绍了液压伺服阀和位置传感器在拉弯矫直机中的应用。
The application of hydraulic servo and position sensor on stretch bender was introduced.
电液伺服阀的功率级一般为滑阀，起液压放大器的作用。
The power stage of servovalves is spool valve, playing the role of hydraulic pressure amplifier.
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。
Servo valves consists of feedback - electric-hydraulic servo valve and position feedback servo valves.
介绍了一种直动式电液数字伺服阀的结构原理及其控制方法。
The operation principle and control method of electro-hydraulic digital servo valve are first introduced.
提出利用开关电磁铁构成单电磁铁式电液比例伺服阀的方案。
A new scheme for electrohydraulic proportional servo valves with switching solenoids was presented.
通过采用轴伺服阀，可实时控制并产生正弦曲线和三角波形曲线。
It can control and graduate sinusoidal curve and triangle wave curve by using axis servo valve.
伺服阀反应快速，统一安装在阀板上，保证了优良的精度和重复性。
The fast-reacting servo valves installed on the integrated hydraulic block ensure excellent precision and repeatability.
建立了典型伺服阀控摆式车辆动力系统的物理模型和线性化数学模型。
The physical model and the linear mathematical model of a typical servo valve-controlled tilting car are built up.
在位置闭环控制中比例伺服阀控制伺服缸，解决了控制精度低的问题。
Position closed-loop control was used to control the position of servo hydraulic cylinder to improve control accuracy.
分析了非对称气动伺服阀控单作用气缸的气动压力控制系统的数学模型。
The mathematical model of a pneumatic force control system with an asymmetric servovalve and a single-acting cylinder were described.
本仪器可输出3V电源给伺服阀，便于伺服阀和油动机现场调试使用。
This instrument can output 3v power to servo valve and is convenient for testing servo valve and oil motor at site.
另外还针对QDY - 6型电液伺服阀设计了电液伺服阀的功率放大电路。
In addition, we also designed power amplifying circuit for QDY-6 electro hydraulic servo valve.
本文论述了一种伺服阀维修试验台的设计。该设计特别适合伺服阀用户的使用。
This paper describes design of a test stand for repairing servo valve which is specially suitable for servo valve user.
提出了一种新型压电晶片型喷嘴挡板式电液伺服阀，并对其控制方法进行了研究。
A novel piezoelectric type nozzle flapper hydroelectric servo valve was developed and its control method was researched.
采用可编程控制器(PLC)直接控制液压伺服阀，可以简化控制系统，降低成本。
Direct control of hydraulic servo valve by means of PLC can simplify the control of hydraulic system and reduce cost.
指出在采用液压舵机的情况下，伺服阀的不灵敏区是出现极限环现象的一个主要原因。
In the case of hydraulic actuator the insensitive area of servovalve is the main cause for the phenomena "limit cycle".
研制了一种压电弯曲元件型压电驱动器，该驱动器用于电液伺服阀的电-机械转换器。
Developed a new type of piezoelectric bending actuator used as electrics-to-mechanics converter of a piezoelectric hydroelectric servo-valve.
本文对由伺服阀和无杆气缸组成的气动伺服位置控制系统进行了数学建模和控制研究。
The pneumatic servo positioning system, which is composed of rodless cylinder and the servo valve, is studied on mathematical modeling and control in this paper.
对气动伺服阀的分析和数学建模，可以更好的选择利用气动阀，提高控制系统的精度。
The pneumatic servo valve can preferably be choose and used promoting the precision of control system through the analysis and mathematical modeling of pneumatic servo valve.
对气动伺服阀的分析和数学建模，可以更好的选择利用气动阀，提高控制系统的精度。
The pneumatic servo valve can preferably be choose and used promoting the precision of control system through the analysis and mathematical modeling of pneumatic servo valve.
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