马达

Low speed principle of closed - loop system , it can be concluded that the existence of the difference between static frictional and dynamic frictional torque , and the periodic saltation of the dynamic frictional torque , are the main reasons of the low speed stick - skip to the electrohydraulic position servo system

针对伺服马达的低速性能，进行了低速实验研究，并兼顾快速性能进行了阶跃响应和正弦响应实验研究，对实验结果进行了分析，得出了一些有价值的结论，提出下一阶段进行实验的建议。

In this thesis, a speed sensorless structure is proposed for scalar control of induction motor drives.

中文摘要本论文针对感应马达纯量控制系统，提出一个无转速感测器的系统架构。

Schroeder Industries now offers a mobile filtration system with a pneumatic motor in place of the standard electric motor.

施罗德行业现在提供了一个移动的过滤系统与气动电动机在的地方，该标准的电动马达。

Going to the doctor, for the most part, is like having an MOT or a re-fuel - it doesn't mean you're heading for the scrapheap.

在很大程度上，看医生就像检修马达或补充燃料——这并不意味着你就要进入废物堆了。

A single or twin screw auger, powered by an electric motor,or a ram,driven by hydraulic pressure (often used for steel and titanium alloys), oil pressure, or in other specialized processes such as rollers inside a perforated drum for the production of many simultaneous streams of material.

单个或双螺杆钻，由一个电动马达，或公羊由液压驱动，动力，油压或如在其他专门辊进程鼓内穿孔对于很多的材料生产的同时流。

Three (3) position valve to select 1, 2 or 3 motors, selectable from control panel.

三(3)位置阀门以选择1，2或3个马达，可从控制面板选择。

Is mainly engaged in Fuchang Dongchang series DC motor small motor development, design and production.

深圳东福昌电有限公司主要从事东昌电机系列DC小马达的开发、设计及生产。

Solid background in servicing and theory of motor and its control system .

良好的马达及其控制系统的理论知识和维护经验。

In this paper, the nonlinear mathematical model of valve-controlled motor servomechanism is derived and the linear mathematical model for electrohydraulic position servo system is obtained on the basis of known parameters.

由于液压仿真转台的每个框架都是由液压马达直接驱动，因此每个通道都是一个典型的电液位置伺服系统，转台的性能与每个通道的性能密切相关。

The robot that controlled by a servomechanism, i.e.,the driving signal of the robot 's motor is a function of the difference between a set target and the actual response.

由伺服机构控制的机器人，即其马达的驱动信号是设定目标量与实际响应量间的误差的函数。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。