Mathematical model and control law of the digital electro hydraulic proportion system are put forward. Furthermore, computing simulation and experimental verification are carried out.
提出了数字电液比例系统的数学模型及控制规律，并进行了计算机仿真及实验验证。
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。
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。
On the basis of establishing a status evaluation index system of steam turbine DEH (digital electro-hydraulic) control system, proposed was an extensible evaluation method.
在构建汽轮机数字电液(DEH)调节系统状态评价指标体系的基础上，提出了一种可拓评价方法。
Digital electro-hydraulic control system (DEH) is the core of turbine control system, then the performance of load control system determines whether the unit can run better.
数字式电液调节系统(DEH)是控制汽轮机运行的核心，其负荷调节系统控制性能的优劣直接影响整个机组的正常运行。
The paper studies the digital self-adaptation control electro-hydraulic fatigue testing machine.
以数字式自适应动态电液疲劳试验机为研究对象，介绍了系统的概况。
With the development of computer and information technology, electro-hydraulic technology has transited from analog control mode to digital control mode in the past twenty to thirty years.
数字控制相对于模拟控制有很大的优越性，表现在精度高、灵活性大、可靠性好、易于大规模集成等方面。
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。
On the basis of establishing a status evaluation index system of steam turbine DEH(digital electro-hydraulic) control system, proposed was an extensible evaluation method.
针对大型汽轮机组状态信息复杂，运行状态难以准确评价的问题，提出基于证据推理的状态评价方法。
On the basis of establishing a status evaluation index system of steam turbine DEH(digital electro-hydraulic) control system, proposed was an extensible evaluation method.
针对大型汽轮机组状态信息复杂，运行状态难以准确评价的问题，提出基于证据推理的状态评价方法。
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