The Electro-hydraulic valve actuation(EHVA)in this dissertation is a kind of way for the future engine.
在配气机构方面，电液或电磁控制的全可变气门技术便是其中一种。
The main valve body of the novel three-way pressure reducing valve uses a 10 path electro-hydraulic valve body, has strong universality, and reduces processing difficulty and manufacturing cost;
本发明主阀体借用10通径电液动阀体，通用性强，降低了加工难度和制 造成本；
This paper introduces an electrohydraulic control system based on PLC. A double close - loop control system with electro - hydraulic proportional valve is adopted.
一种基于PLC的电液自动控制系统，采用了电液比例阀的双闭环控制系统。
A new type of electro hydraulic digital relief valve, which is a pilot pressure control component directly controlled by digital information is introduced.
介绍的新型电液数字溢流阀是一种数字信息直接控制的导控式压力控制元件。
TYB series waterflood pressure regulating systems consist of two cylinder four chamber pump body, electro hydraulic reversing valve, control fluid circuit and control current circuit.
TY B系列调压注水装置由双缸四腔泵体、电液换向阀、控制液路及控制电路组成。
The electro-hydraulic proportional control valve uses the proven force feed-back system for improved hysteresis, repeatability, and response.
电液比例控制阀使用的证明力反馈改善滞后性，重复性系统和响应。
The operation principle and control method of electro-hydraulic digital servo valve are first introduced.
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。
According to actual conditions, design a fuzzy adaptive PID controller to control the openings of the electro-hydraulic proportional valve port, implementing a safe and smooth braking.
依据实际工况，设计了一种模糊自适应PID控制器来控制电液比例调速阀阀口的开口量，实现系统的安全、平稳制动。
It analyzes the recent fault for the second-stage double acting slide valve, and summarizes the methods of judging and treating the common fault for electro-hydraulic actuator.
并结合实际情况，对近几次二再双动滑阀发生的故障进行分析，总结了电液执行机构常见故障的判断和处理方法。
The measurement of high frequency dynamical flow in dynamical test of electro-hydraulic proportional valve and electro-hydraulic servo valve is very difficult.
在电液比例阀和电液伺服阀动特性测试中，高频动态流量的测量一直是一个难题。
With a example of electro-hydraulic proportional pressure valve, a electro-hydraulic proportional valve test system with integrated test and control technology was introduced.
本文以电液比例压力阀为例，介绍了采用测控一体化技术的比例阀试验系统。
Lifting control valve is the control center of hydraulic lifting system of dumpers, which is classified into electromagnetic type, electro-hydraulic type, manual type and air-powered type, etc.
举升操纵阀是自卸汽车液压举升系统的控制中心，该操纵阀分为电磁式、电液式、手动式和气动式等几种。
In the way of loading, electro-hydraulic proportional valve is used.
在加载方式上，采用电液比例阀。
In addition, we also designed power amplifying circuit for QDY-6 electro hydraulic servo valve.
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。
Equipped with flow regulator in system, electro-hydraulic proportional speed regulating valve can decrease leveling time in high speed gear, and ensure leveling accuracy in low speed gear.
系统中设有流量调节环节，电液比例调速阀在快挡可以缩短整个调平时间，在慢挡可以保证调平精度。
Hydraulic system adopts cartridge valve system with the features of act reliability, electro-hydraulic quick response and long usage life, as well as independent electronic system and PLC control.
液压系统采用插装阀集成系统，动作可靠，电液响应快，使用寿命长。
The design concept of the relative frequency amplitude ratio and the relative frequency width of toque motor stiffness of electro-hydraulic servo valve are proposed.
提出了利用相对频率幅值比和相对频宽的电液伺服阀力矩马达的设计概念。
Aiming at the problems such as time-variable parameters, nonlinear dead zone of the valve existing in the electro-hydraulic position servo control system, a self-tuning fuzzy controller is designed.
针对电液位置伺服系统中存在参数的时变性、死区非线性等问题，设计了自调整模糊控制器。
A cascade control method for the pressure control of the mixed gas is presented based on an electro-hydraulic control valve.
针对该问题，提出通过电液调节阀对混合煤气进行串级稳压控制。
In this paper, the electro-hydraulic servo system is valve-controlled motor, mainly include electro-hydraulic servo valves, amplifier, hydraulic motors, and other feedback components.
本文中电液伺服系统为阀控马达系统，主要包括电液伺服阀、放大器、液压马达、反馈元件等。
A new kind of electro hydraulic on off valve is expatiated on for fuel injection system of electronic controlled diesel engine.
阐述一种用于柴油机电控喷油系统的新型电液开关阀。
The invention discloses an electro-hydraulic proportional servo valve flexible control method.
本发明公开了一种电液比例伺服阀柔性控制方法。
Yuken brings cutting edge electro-hydraulic control technology to you through their extensive proportional valve selection.
油研带来贯穿其广泛的比例阀的选择边缘的电液控制技术给您。
The computer also can achieve the vernier adjustment by controlling the electro-hydraulic digital valve.
电脑控制电液数字阀，起微调作用。
Utilizing GMM to design new-type actuator, replacing traditional actuator such as the torque motor or the force motor, will enhance the response speed and precision of electro-hydraulic servo valve.
利用GMM设计新型的电—机转换器，取代传统型电—机转换器，如力矩马达或力马达等，可提高整个电液伺服阀的响应速度和控制精度。
The most important character of this system is using AC timing motor to replace electro-hydraulic servo valve.
它最重要的特点就是使用交流调速电动机代替传统的伺服阀。
The electro-hydraulic servo unit which the system used, is the digital electro-hydraulic servo unit, the servo amplifier is embedded in the electro-hydraulic servo valve;
系统的电液伺服装置为数字式电液伺服装置，其中，伺服放大器嵌入在电液伺服阀中；
The electro-hydraulic servo unit which the system used, is the digital electro-hydraulic servo unit, the servo amplifier is embedded in the electro-hydraulic servo valve;
系统的电液伺服装置为数字式电液伺服装置，其中，伺服放大器嵌入在电液伺服阀中；
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