查询词典 motor-show

C Braiding machine with 1 motor and 1 headsThe special 32#C braiding machine with 1 motor and 1 head can be applied to braiding all kinds of electric wire and cable, control cable, high-pressure oil hose, water hose, special ropes, elastics, PET drawtube and so on.

单电单头32#C编织机该机型一电单头32#C特种编织机，适用于特种电线电缆、控制电缆、高压油管、水管、特殊绳缆、松紧绳带、PET伸缩网管等。

ABSTRACT: A Rockwell PowerFlex7000 Variable Frequency Drive is used in JiuZHou Electric medium voltage drive test bay as the converter. Because of it belong to the current source drive, it has the function of the four quadrant, it can achieve the energy feedbackmake the motor brake,also has the advanced vector control technology, so it can achieve all kinds of load test, there are no other drives can replace it in simulate motor load. PowerFlex7000 drive has ability to achieve the full load test before the drive leave factory.

摘 要：罗克韦尔PowerFlex7000变频器在九洲中压变频实验站测试系统中作为变流逆变器使用，由于本身属于电流源型变频器，具有四象限运行功能，能够实现能量的回馈和对电机的制动，先进的矢量控制技术，可以实现各种复杂多变的负载特性，在模拟电机负载方面起到了其他变频器无可替代的作用，实现了变频器出厂之前的满负荷测试。

A DC motor driver with constant frequency PWM is developed based on PIC, and the running performance of the DC motor is improved greatly.

另外使用PIC器件完成了单芯片集成式运行电路的设计，实现了直流电机的正常驱动，简化了控制逻辑系统。

In this paper,a novel wire feeding system composed of special motor driver circuit with high frequency and print motor with low inertia was designed,and the performance test were carried out.

采用特制的高频可逆调速电机驱动电路配合低惯量的印刷电机，研制了一种适用于GMAW焊接电源的新型可逆调速送丝系统。

What this paper finished mainly work as follows: Five-phase hybrid step motor driver system with fixed-chopping frequency and constant total current driving is fully described. Mathematical model of the system, included the current control circuit, power driving circuit and five-phase hybrid stepping motor is established. The steady modeling of the system is established and studied. Based on the steady modeling of the system, dynamic modeling of the system is studied and single step response characteristic is constructed with MATLAB/Simulink. The simulation results, which is certified by the theory analysis, coincide with the theory analysis.

本文主要完成的工作包括几个方面：对五相混合式步进电动机恒频斩波恒总流驱动系统进行了完整的描述；建立了包括电流控制电路、功率驱动电路以及五相混合式步进电动机在内的恒频斩波恒总流驱动系统的完整的数学模型；基于MATLAB/Simulink建立了恒频斩波恒总流驱动系统稳态仿真模型，并进行了仿真；在建立其稳态仿真模型的基础上，对动态模型进行研究，并借助于MATLAB/Simulink工具建立了恒频斩波恒总流驱动系统单步响应特性的仿真模型并对其单步响应特性进行了仿真研究，仿真结果与理论分析相符。

The motor for the EPS system is the key element of the whole system and it combines with a permanent magnetic DC motor and a dry single plate electromagnetic clutch.

转向助力器电机是该系统中的核心部件，它由永磁直流电动机和干式单片电磁离合器两部分组成。

Dysarthria is a speech disorder resulting from damage to the motor execution system of the central nervous system and resulting in muscular weakness and reduction in motor control.

构音困难肇因於中央神经系统中运动执行系统的损害，发音不良会导致肌肉无力且降低运动的控制。

Factory adjustable eccentric block and the fixed angle between the eccentric block of 0 °, then the exciting force for the vibration of the motor nominal excitation force F, the different angle between the exciting force when the table below, paying particular attention to , adjust the excitation force applied, to both ends of the vibrating motor with adjustable eccentric block to adjust in the same direction the same angle.

出厂时可调偏心块和固定偏心块之间的夹角为0°，这时的激振力为振动电机的额定激振力F，不同夹角时的的激振力如下表，要特别注意，调整激振力时，要将振动电机两端的可调偏心块向同一个方向调整相同的角度。

The technology that was required to fully realize the potential of the electric motor was that a spinning motor could also generate electricity.

该技术所需要的充分实现潜力的电动马达是一个旋转的电动机还可以发电。

First, the dissertation summarizes the properties, developing state and application fields of BLDCM, then its fundmental structure; operation principle and control strategy is also presented. On the base of roundly analyzing all kinds of the drive motor in electromotion type railway switch, BLDCM is proposed to replace the formerly traditional DC motor in railway switch. Second, the whole design scheme and key technology of control system is put forward based on analyse of the technical parameters and requirements.

首先，论文介绍了无刷直流电动机的特点、发展和应用概况，分析了稀土永磁无刷直流电机系统的基本构成、工作原理和控制方法；在对目前各种电动转辙机驱动电机分析的基础上，提出将稀土永磁无刷直流电机用于铁路转辙机，以替换原有的串励有刷直流电动机。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。