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。
So it is significant to develop intelligent and digital valve control system which is suitable for production requirement.
因此，开发符合生产需要的智能化、数字化的阀门控制系统具有很大的现实意义。
It has profound significance in the development, research and application of the digital valve which USES stepper motor as its driver.
这对于用步进电机作为驱动装置的数字阀的开发研究与应用具有深远的意义。
Concerning for the electrohydraulic system with digital valve and cartridge valve, this paper analyzes the intelligent time suboptimal control.
本文以数字阀、插装阀并联电液系统为例，分析了智能时间次优控制方法。
The fluid surface forcing control system applied on counter pressure casting is built based on the combined digital valve as the main flow control component.
采用组合式数字阀作为主要流量控制元件，构建差压铸造液面加压控制系统。
This paper introduces a hydraulic synchronous system, which USES a new-type digital valve as synchronous controller and makes use of a fuzzy-PID control arithmetic.
介绍了一种以新型数字同步阀为同步控制元件，运用模糊pid算法进行控制的液压同步系统。
Experimental results show that the linear results are coincided well with the experimental ones, when the digital valve operates under normal condition and without loss of steps.
实验结果表明在步进电机正常工作的状况下，线性化的分析方法能有效地反映2d数字阀的实际工作状态。
A weighing sensor (5), the stepper motor driving the digital servo valve and the coder (10) on the digital valve (1) are respectively connected with the PLC (7) by signal circuits.
所述的称重传感器(5)、驱动数字伺服阀的步进电机以及数字阀(1)上的编码器(10)分别通过信号线路与所述的PLC(7)连接。
Instrumentation in the new plant includes Rosemount temperature and pressure transmitters, Micro Motion mass flowmeters, and FIELDVUE digital valve controllers mounted on Fisher control valves.
新工厂中的仪表装置包括Rosemount温度和压力变送器、MicroMotion质量流量计以及配有FIELDVUE数字阀门定位器的Fisher控制阀。
The digital flow rate valve regulates digitally system flow rate to implement speed regulation in hydraulic system.
发数字式流量阀采用数字控制方式，调节系统流量以达到液压系统调整目的。
By adopting a 2d pneumatic digital servo valve composed of servo spiral mechanism, conventional two-stage pneumatic servo valve structure is simplified while its performance is greatly enhanced.
利用一种伺服螺旋机构构成的二级气动数字伺服阀(简称“2d气动数字阀”)，简化了传统二级气动伺服阀的结构而性能却有较大提高。
JORC produces the largest range of high quality solenoid valve analog and digital timers.
JORC生产各种类型的高质量的电磁阀模拟和数字定时器。
The cold air in the working chamber can convent if the exhaust valve on top of the oven is open, the temperature is controlled constant automatically by digital display instrument.
开启箱顶排气阀可使工作室温之冷空气得以对流交换，温度控制采用数字显示仪表自动恒温调节。
The principal conclusions have the important value for the design of direct digital relief valve.
主要结论对直接数字式溢流阀的设计具有重要的指导意义。
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。
A new type of digital directional valve is presented.
给出了一种新型电液数字换向阀。
This paper deals with a closed-loop digital control for a hydraulic valve, controlled motor speed system.
研究了用位总线微机构成的液压阀控马达速度闭环数字控制系统。
This system improves the digital measurement of valve current signal in the test with its high-speed multi-channel parameter gathering technology.
该采集系统实现了多路液体火箭姿控发动机试车阀门电流信号的数字化测量。
A pneumatic servo loading system was proposed and a specially designed pneumatic digital servo valve was introduced in the system for the purpose of precise control.
为了达到这一要求，提出了气动伺服加载系统并引入特殊设计的气动数字伺服阀。
So the research and design of the digital servo valve is one of the most important aspects of nowadays hydraulic field.
因此在液压元件中数字伺服阀的设计与研究以及在它在具体领域中的应用是当今液压界的重要研究方向之一。
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。
This thesis puts forward a new direct-actuated digital servo valve, based on the studying relevant workings, and also advanced a new method modeling in hydraulic system.
本文在综述国内外电液数字控制技术及元件的相关研究成果的基础上，设计出了数字伺服阀的新型结构，并且提出了在液压系统中使用模块化建模的思想。
The technology of variable frequency speed governing was used in the driving system of the experiment stand. And the advanced stepping digital overflow valve was adopted in the part of loading.
该试验台的驱动系统采用交流变频调速技术，加载部分采用先进的步进式数字溢流阀进行加载。
This paper illustrates operation principle of the digital throttling valve and design of its control system.
论述了直控步进式水压数字节流阀的工作原理及其控制系统的设计。
A pneumatic servo loading system is proposed and a specially designed pneumatic digital servo valve is introduced in the system for the purpose of precise control.
为了达到这一要求，提出了气动伺服加载系统并引入特殊设计的气动数字伺服阀。同时对气动伺服加载系统进行数学建和模块化分析，最后进行了实验研究。
Therefore, it is an urgent need to develop a new type of high-frequency and high-precision digital proportional pressure valve.
因此，迫切需要研究一种新型的具有快速响应和高精度特性的数字比例压力阀。
Direct control of electro hydraulic digital direction & flow valve by means of PLC can make the control system of hyd. system become simpler, cheaper and reliabler.
采用可煽程控制器（PLC）直接控制电液数字方向流量阀，可使液压系统的控制系统简洁、可靠、成本显著下降。
Direct control of electro hydraulic digital direction & flow valve by means of PLC can make the control system of hyd. system become simpler, cheaper and reliabler.
采用可煽程控制器（PLC）直接控制电液数字方向流量阀，可使液压系统的控制系统简洁、可靠、成本显著下降。
应用推荐