直流电机

The elevator model was made by using devices such as limit switch,nixie tube,direct current motor.

采用限位开关、按钮、数码管、直流电机等器件实际制作。

This paper has designed a whole project of the control system of the DC motor, and expounded the basic structure of this system、the elements of working、the characteristic of operating and the approach of designing.

本文设计了直流电机控制系统的整体方案，阐述了该系统的基本结构、工作原理、运行特性及其设计方法。

Permanent magnet material is one of the most important influencing factors for the performance of brushless DC motor.

永磁材料是影响无刷直流电机性能最重要的因素之一。

I plant for many years engaged in the hollow cup permanent magnet DC motor of development, production and sales.

我厂多年来从事空心杯永磁直流电机的开发、生产和销售。

This paper presents a position control system for BLDC motor based on TMS320LF2406. It also introduces the hardware and software design solutions for this system.

介绍了一种基于TMS320LF2406的无刷直流电机位置控制系统，简述了实现该控制系统的硬件设计方案和软件控制策略。

Compared with hard-switching inverter, the soft-switching inverter's power swatches turn-on at zero voltage or zero current conditions, zero switching losses in theory, which can improve the efficiency of the system and device power density, reducing the system electromagnetic interference and ensure a brushless DC motor performance and reliability.

与硬开关逆变器相比软开关逆变器的功率开关在零电压或零电流条件下导通，理论上开关损耗为零，从而可以提高系统的效率和装置的功率密度，减小系统的电磁干扰，保证了无刷直流电机的性能和可靠性。

The line-tracking system and obstacle-avoiding system use the infrared photoelectric sensors to realize intelligent walking. The LED display system which through control the input and output of 74HC595's data, shows the prearrange face at 24×24LED matrix. Then, simulate the brow change by changing picture to get the function of changing faces.

机器人运动过程中，采用PWM技术和开环系统控制无刷直流电机的运行，实现机器人的行走控制；机器人的寻线及避障系统采用红外光电传感器，实现机器人的智能行走；LED显示系统中，通过编写程序实现对74HC595的数据输入输出控制，在24×24LED点阵上显示预置的面部表情，通过画面切换模拟人物表情变化，实现变脸功能。

With good characteristics and performance, the dc motor is widely used in the laboratory and on the precision machine tool in factory.

直流电机具有良好的工作特性与运行性能，因而广泛应用于实验室和工厂的精密机床上。

With good characteristics and performance,the dc motor is widely used in the laboratory and on the precision machine tool in factory.

摘要直流电机具有良好的工作特性与运行机能，因而广泛应用于实验室和工场的紧密机床上。

The structure of the control system was simplified and the cost was reduced.

该方法简化了控制结构，降低了控制成本，实现了无刷直流电机的直接转矩控制运行。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。