与有阀伺服系统相比，具有结构简单、操作方便、价格经济等特点。
Compared with the valve servo system, there are some advantages, such as: simple structure, convenient operation and low price, etc.
在控制执行机构的运用中，使用了行程较小的MOOG阀伺服控制机构，避免了控制系统大范围调节辊距所带来的不利因素。
In the actuator control, has used the MOOG valve servo-control mechanism, avoided the disadvantage factor which the control system wide range adjustment roller is apart from brings.
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。
In dealing with the relationship of the servo valve position control and the adaptive control, the Double-loop control is adopted.
阐明根据工艺特点采用工业流量伺服阀和蓄能器控制油缸压力可以满足稳定、快速、准确的要求。
Industrial flow servovalve combined with an accumulator has been used in controlling the cylinder pressure to ensure system stability, velocity, and accuracy.
伺服系统中采用开关阀的研究近年来受到人们的重视。
The study on the on-off valves being used in to servo system is paid attention to last years.
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.
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.
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.
车辆液压动力转向系统通过伺服阀控制压力油的方向和流量，把转向盘输入的转角信号转变为车轮的偏转角度输出。
Vehicle power steering systems control direction and flow of pressure oil with servo valves, then transfer angular inputs from steering wheels to corner angular outputs of road wheels.
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".
在伺服阀静态特性方面，完成了伺服阀的压力增益特性、空载流量特性、负载流量特性及泄漏特性的测试。
In static state characteristic test, pressure gain characteristic, runoff characteristic with load, runoff characteristic without load and leakage characteristic are completed.
直线力电机是直线电机的一种，主要是作为执行器应用于电液伺服阀等位置伺服或开关量控制系统。
As a kind of linear motor, linear force motor usually is used as an actuator in positioning or switching control system for hydrometric servo valves and so on.
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.
通过不同开关的动作来虚拟模拟常见的故障，诸如，放大器漂移、系统参数改变、伺服阀反冲以及传感器失灵等。
Some faults such as amplifier offset, parameter changes, servo valve backlash and sensor fault are seeded in a virtual way by means of different switches in Simulink.
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.
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.
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.
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.
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.
多数大伺服阀没有打开或关闭快。
利用该方法有可能使比例方向阀用于伺服控制。
It is possible for proportional directional valves to be used in servo control by using the proposed method.
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.
与传统伺服阀相比，以新型功能材料为电-机械转换器的电液伺服阀，具有高频响、高精度和易于微型化等优点。
The electro-hydraulic servo valves in which some novel functional materials are applied to the actuators can have high frequency response and high precision and can be made by micromation.
因此，为了改善由射流前置级驱动的伺服阀的性能，研究伺服阀前置级射流流场的数学模型及分布规律是至关重要的。
Therefore, in order to improve the performance of hydraulic servo valve, it is important to study the mathematical model and distribution of jet flow field.
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.
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.
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.
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