Research of PDF and PDFSV in speed control of DC motors;
PDF和PDFSV在直流电动机速度控制中的应用研究
Design of embedded software controlling DC motor using DSP;
DSP控制直流电动机的嵌入式软件设计
Application of electronic velocity measuring system in high-power DC motor;
电子测速系统在大功率直流电动机上的应用
And the direct current motor is given.
介绍了由Silicon Labs公司C8051F001/2/5/6/7系列单片机自身具有的12位精度SAR ADC实现A/D转换的方法,此方法无需任何接口电路,无需专用模拟转换器,降低了开发成本,减小了电路体积,可广泛应用于各种便携式装置,还介绍了基于A/D系统的单极性直流电动机的驱动方法。
And we expect the direct current motor with the input u*(t) to make rotational speed ω reach the steady rotational speed within short time.
利用苏联学者庞特里亚金的极小值原理和Bang-Bang控制原理等最优控制知识,在直流电动机拖动系统的电枢电压u(t)不大于额定电压的条件下,进行理论分析与讨论,求出输入电压u*(t),希望直流电动机在输入电压u*(t)的作用下,用最短的时间使角速度ω达到预定的任意稳定转速,并用MATLAB作图仿真和检验。
With the excellent function of Flash about cartoon,this soft can monitor the lighting change of bulb and the rotating speed change,the sound change of direct current motor,which are common load in power electronic circuit,as while as the control angle α is changed.
基于NI公司的Labview软件开发平台,借助于Flash软件优越的动画显示功能,针对相控电力电子电路常用负载———灯泡负载和直流电动机负载,以三相整流电路为例完成了随着控制角α的变化,电力电子负载动态监测软件的开发。
Research and Development of DC Motor Speed Testing System Base on Virtual Instrument Technology;
虚拟仪器实现直流马达转速检测的研究与开发
Coact company is a manufacturer specially produced precision stepping motor ,brushiess DC motor and drives.
本公司是一家专业生产精密步进马达,无刷直流马达及驱动器的制造商.
Bandama/Valley Authority
班达马河流域管理局
AF flight 321 is a direct flight to Rome .
法航321班机是去罗马的直达班机。
CAAC Flight 135 is a non-stop flight to Rome.
中国民航135班机是去罗马的直达班机。
The toilet keeps flushing and won't stop.
厕所马桶的水一直在流,停不下来。
The principle of motor which has two stators is described, and the controller of it is designed.
描述了双定子直线马达的驱动原理,设计了该马达的控制器。
The current in the motor increases, and the result is overheating.
马达的电流增加,于是其结果就是过热。
pump and motor fluid ports
泵和液压马达间的液流阀
Study of Servo Valve Torque Motor Dynamic Characteristics with Magnetic Fluid;
采用磁流体的力矩马达动态特性研究
Study of Torque Motor Static Characteristics with Magnetic Fluid;
添加磁流体的力矩马达静态特性研究
Expression of H5HA Avian Influenza Virus Gene in Potato Plant
禽流感病毒H5HA基因在马铃薯中的表达
Enlightenment of German Railway s Experience to China Direct Freight Logistics;
德铁经验对我国直达货运物流的启示
Inner servo-moter,drive directly, senstive respond,Save electricity and low noise.
内置司服马达,直接驱动,反应灵敏,省电、低噪音。
The mixer adopts TAIWAN-made motor ,which can speed-down dramatically meraly vertically , This assure the mixer durable and low-noise .
台湾垂直减速马达,确保噪音低及持久耐用。
The effective diameter of the motor pulley is obtained by subtracting 5 mm from the outer diameter.
马达皮带轮的有效直径为外径减5mm 的数值。
Mazda says it's in every car it sells.
马自达一直强调他的产品的运动性,这不是忽悠。
There have been ponies on Dartmoor from time immemorial.
自远古以来,达特穆尔高原就一直有小型马。
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