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。
Based on the analysis for structure and application characteristics of gasoline hedgerow prune machine,brought forward a scheme that using accumulators as energy sources,DC electromotor substituting the gasoline motor,realized figuration in one step by pruning simultaneously on the three hedgerow surfaces to be pruned,a go-cart substituting hand holding operation of workers.
在对汽油绿篱修剪机的结构和使用特点进行详细分析的基础上,提出用蓄电池提供能源、直流电动机替代汽油机驱动、在三个需要修剪的绿篱修剪面上同时修剪以实现一次成形、用推车支撑剪刀替代工人手持的绿篱修剪方案。
The DC electromotor is driven by its pulse-width modulation output,thus further controlling the velocity and the trend of targets.
系统采用PIC单片机作为控制元件,通过其脉宽调制输出功能来驱动直流电动机,进而实现对靶子速度和转向的控制。
The paper researches and designes the circuit diagram between magnetic flux Φ and magnetizing current Iφ on DC electromotor.
本篇文章主要是研究设计直流电动机的磁通φ与磁化电流Iφ关系的电路原理图。
miniature magnetic DC motor
微型永磁直流电动机
differential-field motor
他激差绕直流电动机
force ventilated DC motor
强制通风式直流电动机
Starting Characteristic Analysis of Traction Motors for Storage Battery Cars
蓄电池车辆直流电动机起动特性分析
The Research on the EMF of Disc Brushless DC Motor
盘式无刷直流电动机反电动势的研究
Study of Armature Equivalent Resistance in Brushless DC Motor
无刷直流电动机电枢等效电阻的研究
Measures of Restrictive Electric Current in the Closed-circle and Regulated-speed System of DC MOTOR;
直流电动机闭环调速系统的限流措施
Dynamic characteristics analysis of the brushless DC motor direct drive system
无刷直流电动机直接驱动系统动态特性分析
Electromagnetic Field and Thermal Field Coupling Analysis of Brushless DC Motor
无刷直流电动机电磁场-热场耦合分析
permanent magnet DC brushless motor
永磁直流无刷电动机
brushless d.c. torque motor
无刷直流力矩电动机
DC reversible variable speed motor
直流可逆变速电动机
Intelligent Analysis of DC Electric Switch Machine
直流电动转辙机动作电流的智能分析
DC generator-motor set drive
直流发电机电动机组传动
Ward-Leonard drive
直流发电机电动机组变速传动
an alternating [a direct] current dynamo
交流 [直流] 发电机
motor generator arc welder
电动发电机式直流弧焊机
Study on Drive and Regenerative Brake of Brushless DC Motor;
无刷直流电机电动与回馈制动的研究