When the load of pump control cubage timing system changes, the motor output speed must be kept steady.
泵控容积调速系统中负载发生变化时，要保证马达输出转速恒定。
Four pump control options permit the designer to choose the most efficient means to power his hydraulic equipment.
拥有四种控制方式，使设计者能够有效地选择合适的方式为其液压装置提供动力。
Combined with 3 typical fuel pump control circuits, this paper introduces their working principles and maintenance methods.
结合3种典型的燃油泵控制电路，分别介绍了燃油泵控制电路的工作原理和检修方法。
The design example of a tranquil flow pump control system of the stepping motor shows that the project is feasible and effective.
步进电机驱动的平流泵控制系统设计实例表明，这种方案是行之有效的。
According to the different hydraulic control components, hydraulic control technology include two kinds of valve and pump control.
液压控制技术根据液压控制元件的不同，包含阀控与泵控两种。
Four types of operation mode and isobaric water supply function by using relay logic and inverter's pump control function are realized.
通过继电器逻辑和变频器的泵控制功能实现了四种工作模式和恒压供水功能。
This paper introduces the application of PLC in the automatic control system of pump used in ship, and gives new function to pump control system.
介绍了PLC在船舶泵自动控制系统中的应用和泵控制系统的新功能。
This paper advances a simple and effective analytic method and compensating design for the velocity control system of a double closed loop pump control.
本文对双闭环泵控式速度控制系统提供了一种简便而有效的分析方法及校正设计。
The clear water supply control system of Xiaolangdi Power Station includes a valve control system of the clear water pool and a cycle pump control system.
小浪底水力发电厂清水供水系统分为清水池阀门控制系统和回水泵控制系统。
The drilling requirements in the production of a new type troche, osmotic pump control-released tablets, is the nodus in the research of this kind of medicine.
新剂型“渗透泵控释片剂”生产中的打孔要求是目前该类型制剂的研发瓶颈。
The basic control functions of RH vacuum installation for bloom CCM in PANGANG Iron & Steel Group Co. are presented, emphasizing the vacuum pump control system.
介绍攀钢方坯RH精炼装置真空系统基本控制功能，侧重介绍真空泵系统的功能和其相关系统控制。
The results show that for the common pump control methods, the third power relation between the pump rotate speed(water volume) ratio and the shaft power ratio is not true;
分析结果表明，对于常用的水系统控制方式而言，水泵转速（流量）比与轴功率比的三次幂关系不成立；
The feed pump system is controlled by single loop control theory, but it is truly multivariable system, so feed pump control system in use exist problems about safety and efficiency.
现有给水泵系统都采用单变量系统进行控制，但该系统本质上是多变量系统，用单变量方法解决多变量问题给系统安全经济运行带来隐患。
Dynamic behaviors of fuel injection pump control rack displacement and injection advance were studied experimentally on a 6130Q diesel engine at both steady and transient conditions.
作者对6130Q柴油机喷油泵，在稳定工况和变速工况中，进行了齿杆位移和供油提前角等运动规律方面的测试研究。
The drainage system in Qingxi Hydropower Plant originally adopted conventional relay control for its pump control system, which had many hidden troubles and resulted in multiple failures.
青溪水电厂排水系统的水泵控制系统原设计采用旧式常规电动机控制系统，投入运行后多次出现故障，存在许多安全隐患。
In this paper, the principle of variable speed pump control hydraulic differential cylinder is designed, and the simulation model of system is built, and the simulation research is carried out.
给出了采用变转速泵控闭式回路控制差动缸的原理，建立了该系统的数学模型，进行了计算机数字仿真研究。
Electric proportional pump-control hydraulic system controlled by PLC and CAN bus is the main format of driving control for modern heavy mobile cranes.
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。
Simulation analysis was carried out for the variable speed pump-control-motor hydraulic system. Mathematic models of inverter, asynchronous motor, fixed pump and load were set up.
本文对变转速泵控马达液压系统进行了仿真分析，建立了系统中变频器、异步电动机、定量泵、马达以及负载的数学模型。
Therefore the research of pump-control-motor closed-circuit for mobile hydraulics driving system and key hydraulic components will have great significance.
因此对工程机械行走驱动泵控马达闭式回路系统及关键液压元件开展研究将有重大意义。
Therefore the research of pump-control-motor closed-circuit for mobile hydraulics driving system and key hydraulic components will have great significance.
因此对工程机械行走驱动泵控马达闭式回路系统及关键液压元件开展研究将有重大意义。
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