查询词典 piston displacement

Primary reasons leading to dead-zone of variable displacement axial piston pump are analyzed,and negative effects of dead-zone on control performance are presented also.

分析了轴向柱塞比例变量泵死区的主要形成原因及对控制性能的影响。

The performance of high speed electrohydraulic actuator applied to piston variable displacement compressor was analyzed.

针对高速开关阀流量限制导致的单高速开关阀驱动的电液执行器响应速度慢的问题，在对应用于活塞式变排量压缩机上的高速电液执行器进行性能分析的基础之上，提出了高速开关阀作为先导阀、二级机械阀作为配流阀的方案，建立了数学模型，并进行了仿真。

Therefore, on the base of previous work, improvement is brought about and digital variable displacement axial piston pump controlled by SCM and driven by step motor is brought forward in the subject.

因此，本课题在前人的基础上，对其进行改进，提出了利用单片机控制，步进电机驱动的数字变量轴向柱塞泵。

PIC single-chip generates trigger pulse to control the Triac, and then make it possible to control the piston's displacement, mean position and compressor's capacity.

通过单片机控制可控硅的控制角，使系统的输入功率改变，从而使压缩机的启动平缓和具有连续可调的排气量。

The mathematical models of mechanical system, thermodynamic system and electromagnetic system of a compressor driven by moving-magnet linear motor were established on the basis of the control method that piston's displacement is changed by changing the triac's time of flow.

通过控制三端双向可控硅的导通时间来控制活塞位移的方法，建立了动磁直线电机驱动的压缩机的机械系统、热力系统及电磁系统数学模型。

We analyzed the electro-hydraulic proportional variable displacement piston pump from three aspects of its structure,control principle and mathematical model,and compared the main characteristics of an open-loop controlled pump with a closed-loop controlled pump.

从结构、控制原理和数学模型等3个方面对开环和闭环电液比例变量柱塞泵进行分析，比较二者的主要性能特点。

Beijing Huade Group hydraulic constant power variable plunger pump to fill the domestic blank large displacement piston pumps for metallurgy, forging, mining equipment and other large facilities.

北京华德液压集团公司的恒功率变量柱塞泵，填补了国内大排量柱塞泵的空白，适用于冶金、锻压、矿山等大型成套设备的配套。

Series variable displacement piston pumpFeature:1 combing special internal design and strict engineering disciplines has reduced noise level to new lows in whole pressure zones.2 depending on variety of application needs, multiple optional unique control methods are available.

系列可变容量活塞泵特征：1 特殊的内部设计和严格的工程规范将整个受压区的噪音降低至目前最低的程度。2 根据不同的应用需求，有多种可选的独特控制方法。

A quantity of especial interest in connection with reciprocating engines is the work done on the piston divided by displacement volume.

所以与往复式发动机有关地一个具有特殊意义地量就是作用于活塞上地功除以排量(V1-V2)。

Reciprocating pump is a positive displacement pump is dependent on the piston pump cylinder for reciprocating motion to change the volume of work, so as to achieve the purpose of transmission fluid.

杂谈 往复泵是容积式泵的一种，是依靠泵缸内的活塞作往复运动来改变工作容积，从而达到输送液体的目的。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。