直流电机

A precise moving FEM analysis model is presented, in which the cogging effect and commutation are included in performance calculation.

建立了合理的永磁直流电动机动态有限元分析模型，该模型中考虑了齿槽效应和绕组换向对电机性能的影响。

This device can quantitatively control the interfragmentary movement,so as to improve the forming and calcifying of callus and to enhance fracture healing.

该装置采用微型直流减速电机和端面凸轮传动，通过外固定架钢钉对骨折段施加载荷，从而定量地控制骨折端的微动幅度和频率，促进骨痴的形成和钙化，加速骨折愈合。

It overcomes low automation and adaptability of other congeneric control systems.Through timer module to set bait supplying time,the function of automatic feeding was realized in a whole day.Through master control CPU circuit and direct current velocity modulation to control the speed of feeding electromotor,the purpose of adjusting feeding distance was realized....

通过定时模块灵活设置供饵时间，实现全天全自动投饵的功能；主控CPU电路及直流调速电路控制投饵电动机的速度，实现了调整投饵距离的目的；霍尔电路与声光报警电路保护投饵电机的安全；使自动投饵控制系统的通用性更强，可以应用到各种水产养殖业的供饵系统中。

Copters. Using a few mini high speed servos, standard dc motors and a bit of engineering, you can create your very own micro DIY RC helicopter.

使用一些小型的高速伺服电机，直流电动机的标准和工程位，您可以创建你自己的微型自助遥控直升机。

The application of DC limited angle torque motor on natural gas engine has been discussed at the beginning of the paper.

介绍了有限转角直流力矩电机在天然气发动机中的应用。

ABSTRACT: The application of DC limited angle torque motor on natural gas engine has been discussed at the beginning of the paper.

摘 要：介绍了有限转角直流力矩电机在天然气发动机中的应用。

This dissertation is divided into four chapters altogether:chapter one is the introduction,introducing the Hore component and its important characteristic and putting forward the basic task;Chapter two introduce the principle of the auto-tracking system and respective parts of the auto-tracking system;Chapter three introduce the applications of auto-tracking system under static condition and dynamic condition and give out the experiment results;Chapter four introduced the displaying system,communicating system and the applicability of the auto-tracking system to other sensors.

本文共分为五章：第一章绪论中，介绍了霍尔元件及其一些重要特性，并提出了测量系统的基本方案；第二章详细介绍了测量系统各部分的构成及原理，特别是对直流通道、温度补偿模块和音圈电机为核心的随动机构的论述；第三章介绍了实际系统在静态测量和动态测量两种模式下的应用及实验结果；第四章介绍了系统的显示功能和远程通信功能并讨论了系统对其它传感器的适用性。

Brush less DC motor is a new-model electric machine emerging rapidly in recent years. It is to widely used in industry 、agriculture military affair and so on .

摘 要：无刷直流电动机是近年迅速兴起的一种新型电机，它广泛应用与工业，农业，以及军事等领域。

Suitable for measuring the speed counter, positioning devices, and DC brushless motor and so on.

适合应用于测量速度，计数器，定位器，和直流无刷电机等方面。

The system is mainly used in industrial silicon steel production line at the scene which can monitor the motor running.

该系统主要应用于硅钢生产线的工业现场，可对直流大电机运行状态进行监测。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。