结合整机plc和CAN总线控制的电比例泵控液压系统是现代大型流动式起重机主要的传动控制形式。
Electric proportional pump-control hydraulic system controlled by PLC and CAN bus is the main format of driving control for modern heavy mobile cranes.
介绍了电反馈电液比例恒压变量泵的计算机PID控制。
The computer PID control for electro hydraulic proportional constant presure variable displacement pump with electric feedback is introduced.
径向柱塞变量泵可以采用手动控制、电液比例控制或负载敏感控制等多种控制方式，实现恒流量、恒压力、恒功率的控制。
The radial piston pump can adopt manual-control or electro-hydraulic proportional control to realize the control of constant flow, constant pressure, constant power and load sensitivity etc.
该装置主要由连接法兰、刹车盘、刹车钳、支撑架、加力泵、液气管线和比例控制阀等组成。
The device mainly consists of connection flange, brake disc, braking caliper, bracing frame, force-multiplier pump, hydropneumatic pipeline and proportional control valve.
应用这种泵可大大提高液压系统控制效率、控制精度，简化了比例调节液压系统的设计，并使液压系统具有节能的功效。
The kind of pump improves greatly the control efficient and control accuracy and simply the design of hydraulic system with proportional regulation and save the energy of hydraulic systems.
当总循环泵变速运行时，各个支路的流量分配比例保持不变。
When the total cycle pump gear shift operation, the flow of the slip road ratio unchanged.
用功率键合图对电液比例径向柱塞泵控制系统进行建模，导出一组相对简单的方程。
Simpler equation was educed by using power bond-bound graph for the model founding of the electro-hydraulic proportional radial piston pump controlling system.
通过对电液比例多路阀进行负载敏感控制，实现泵和负载之间的功率匹配，显著提高系统效率。
Electro-hydraulic proportional sectional valves are realized with load sensing control, and the pump output power is adaptive to load, the system effectiveness is highly enhanced.
仿真结果表明，基于自适应模糊PID控制器的电液比例排量变量泵具有良好的动态性能。
Simulation results show that the dynamic characteristic of electro-hydraulic proportion controlling radial piston pump using this self-adapting fuzzy PID controller is very good.
变量泵的控制方式有恒压力、恒流量、恒功率、电液比例和负荷敏感控制等。
Variable displacement pump's control style has many ways, such as constant pressure, constant fluid, constant power, electrohydraulic proportional and load-sensing etc.
这种带有比例调节功能的转子泵，具有很好的工作可靠性、适应性和使用舒适性。
This regulatory function with the ratio of the rotor pump, very good job with reliability, adaptability and the use of comfort.
在步进梁速度电液比例控制系统中，比例变量泵是关键组成部分。
In the walking beams velocity electro-hydraulic control system, proportional variable pump is the key components.
本文提出了对电液比例负载敏感径向柱塞变量泵实现恒功率控制的新的控制方法。
The paper proposes a new method to realize constant power control for electrohydraulic proportional load-sensing radial piston variable displacement pump.
泵控变量液压系统，与电比例操作系统紧密结合，节能高效，控制精确。
The pump controlled variable displacement hydraulic system works together with the electronic proportional control system, high efficiency, energy saving and precise control.
比例调节，可根据数字信号（比如水表发出的脉冲信号）来调节流量的比例，带有电源指示和液位探头接口，可直接连接液位探头控制计量泵启动或停止。
Constant flow rate manually adjustable, proportional flow rate according to a digital input signal (from water meter), Power-ON led indicator and level control input. The two different modes are.
由电液比例换向阀和轴向变量泵组成的比例变量泵系统是一种新型液压动力机构。
The proportional variable pump system made up with electrohydraulic proportional reversing valve and axial variable pump is a new kind of hydraulic dynamic structure.
设计了一个盾构掘进机的刀盘驱动液压系统，该系统是开式液压系统，应用电液比例控制技术实现了泵排量实时调节。
A hydraulic drive system of cutter head in shield tunneling machine was designed, which is open type hydraulic system and controlled in open-ring.
以JBP- 63型电液比例控制径向柱塞泵为例，建立了符合其工作情况的虚拟模型。
A virtual modal is developed by focusing on the type of JBP-63 electro-hydraulic control radial piston pump as to fit its working conditions.
通过减小腔内回流比例、增大正反方向流阻差，提高泵液效率与输出泵压、减小输出脉动。
By reducing the reverse flow in chamber and by increasing resistance difference of back-and-forth flow, higher efficiency, higher pressure and less output fluctuation could be expected.
可按比例或通过ON - OF F反馈执行泵控制。
Pump control is performed thru selectable proportional or ON-OFF feedback.
设计了一个盾构掘进机的刀盘驱动液压系统，该系统是开式液压系统，应用电液比例控制技术实现了泵排量实时调节。
An improved cutter head drive hydraulic system of the shield tunneling machine was proposed, which achieved energy saving by optimizing the drive power.
设计了一个盾构掘进机的刀盘驱动液压系统，该系统是开式液压系统，应用电液比例控制技术实现了泵排量实时调节。
An improved cutter head drive hydraulic system of the shield tunneling machine was proposed, which achieved energy saving by optimizing the drive power.
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