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- Hydraulic impact which engender between proportional valve and hydraulic cylinder is important noise source. 操舵系统中,比例阀前的液压冲击是重要噪声源。
- Proportional valves than servo valves high efficiency. 比例阀效率比伺服阀高。
- Adding vibrationg signals in the direction of the variation of the control signal, overcome the friction of the proportional valve and the cylinder. 在控制信号变化的方向上叠加颤振信号，克服了比例阀和气缸的静态摩擦力。
- This paper give an advice that we can realize closed cycle control of feeding shaft by proportional valve and linear grid ruler instead of servo emplifier and servo motor. 利用比例阀和线性光栅尺配合使用替代伺服放大器和伺服电机实现进给轴的闭环控制。
- Abstract: This article introduces the application and some methods of the pressure compensation circuit for proportional valve, and compares them in brief. 摘要:本文介绍比例阀压力补偿回路的作用及一些实现方式,并简单加以比较。
- The article introduces a method that controlling the position of cylinder accurately by the system composed of computer,D/A transducer and electropneumatic proportional valve. 介绍了一种由微机、D/A转换器与电气比例阀组成的系统对气缸的位置进行准确控制的方法。
- An example was given,result shows that this proportional valve CAT system developed through virtual instrument can finish measurement task with higher accuracy and efficiency. 结果表明,利用虚拟仪器技术开发的比例阀计算机辅助测试系统能够精确高效地完成比例阀特性测试工作。
- System simulation is carried out, and the simulation results show that the control method used for the deadband compensation of the proportional valve is correct and feasible. 并通过系统仿真研究，证明该控制方法用于气动比例阀死区补偿的正确性和有效性。
- The vacuum valve opens to admit air. 真空阀开启以补充空气。
- The electro-hydraulic proportional valve is extensively used, and can control the pressure and flow of system change with inputting electricity signal proportional. 电液比例阀广泛用于电液比例控制系统中，用于控制系统的压力、流量等参数随输入电信号成比例的变化。
- A comparison among different kinds of brake pressure regulation methods in air brake system is made,including traditionary Pressure-limited Valve,Proportion Valve and ABS System. 对气制动系统制动压力调节的各种方法进行研究与对比,包括传统的限压阀、比例阀以及汽车防抱死系统。
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- Meanwhile, according to the present state that each proportional vale need a individual controller, this paper raise a research direction of designing a widely acceptable controller in order to adept to various proportional valve. 同时,本课题还针对目前液压领域普遍存在的“有多少种比例阀,就有多少种比例阀控制器”的现状,提出一种研究方向,即研制出一种通用的比例阀控制器,来适配各种比例阀。
- The archers sent their shafts through the air. 弓箭手向空中射出利箭。
- Burton，D Mourre，D Bitner and P Ukrainetz，A technique to estimate some valve parameters in a proportional valve，Department of Mechanical Engineering，university of Saskatchewan，Canada，1995. 陈春志，液压比例电磁线圈静态及动态特性量测与分析，国立云林科技大学机械所硕士论文，1997。
- The MXPM series proportional valve offer simple and accurate mixing of regrind &virgin material, main structure made of stainless steel, durable and excellent de signed without blind angle. 本混合器可将新料和次料按所需比例混合后送入后道工序，其主体由不锈钢材料制作，经久耐用，精心设计、制作精良、无死角、免清料，确保原料顺畅输送，避免原料在输送过程再次污染。
- Air vacuuming: to turn two stop-valves of solar panel loose completely to allow air to expel from low-pressure tripe-pipe-valve of outdoor parts. 排除空气,要将太阳能集热转换器上的两个截止阀完全打开。从室外机组的低压三通阀的加液口排出空气。
- Proportional valves manufacture simple, low prices than servo valves, hydraulic valves than ordinary high. 比例阀制造简便，价格比伺服阀低廉，但比普通液压阀高。
- Control valves such as the proportioning valve are no required. 控制阀，例如比例阀并不是必需的。
- Proportional valves to achieve automatic control, remote control and programmed control. 比例阀能实现自动控制、远程控制和程序控制。
