In the alteration of the rewinder's controlling system, DC driving is replaced by ac driving, and frequency governors are used to control the ac motors.
在对复卷机控制系统的改造中，我们用交流传动代替直流传动，用变频器对交流电机进行调速控制。
Based on the fault condition, various causes for shaking of rotating speed of DC driving system for hoist, and specific solutions were proposed in combination with the practical condition.
根据故障现象，分析了提升机直流拖动系统产生转速抖动的各种原因，并结合实际提出了具体的解决办法。
At present power converters of DC driving system make power supply outputs a high-frequency pulsating current, which is from zero to the armature current. This large ripple damages batteries.
目前国内外电动车直流驱动功率变换器使储能电源输出电流从零到电机电枢电流高频脉动，不利于延长动力电池的使用寿命。
An analysis is made on cause of the damage incident of quick fuses, controlled silicon and power control panels of the DC driving devices of Chuanwei High Speed Wire Plant due to overvoltage.
分析了因过电压造成川威高线直流传动装置快速熔断器、晶闸管及电源控制板损坏事故的原因，认为直流传动装置过电压保护措施必须完善，不能随意拆除。
For capacitive sensing, driving signal with DC bias voltage and ac voltage is usually necessary for the measurement of capacitance.
对电容式加速度计，为测量其电容的变化，通常需要带直流偏置的交流电压信号来驱动。
Comparing with frequency converting driving system for asynchronous machine and adjustable speed for DC motor, the driving system has a wide application foreground.
与变频异步电机驱动系统和直流电机调速系统相比，开关磁阻电机驱动系统有着广阔的应用前景。
Adopting ac servo motor as the driving device, can the dc servo motor and a high precision, high performance as the half closed loop or closed loop control system.
采用交流伺服电机作为驱动器件，可以和直流伺服电机一样构成高精度，高性能的半闭环或闭环控制系统。
In this paper a driving system with sensorless and brushless DC motor is studied, the lowpass design method for switching capacitor is discussed in detail.
对无传感器无刷直流电机的驱动系统进行了研究，详细论述了开关电容低通滤波器的设计方法。
In order to control the single joint's motion of the robot, a joint servo controller which integrates motion control and driving of the DC motor is designed.
针对机器人单关节的运动控制，设计了集直流电机运动控制和驱动于一体的关节伺服控制器。
The design method of DC motor driving power and rotational speed measuring system is introduced in this paper, and the corresponding electronic circuit and software flow are also given.
介绍了一种直流电机驱动电源和转速测量系统设计方法，并给出了相应的电子电路和软件流程。
So the analysis for the DC/DC converter applied in dynamic state should be emphasized when the driving way in the floating type of the high voltage narrow pulse amplifier is studied.
因此，研究悬浮型高压窄脉冲放大器的驱动方式，就是要着重分析动态运用中的DC/DC变换器的工作状态。
Furthermore, the GMI effect is enhanced and magnetic sensibility is improved by current annealing, deposition with dc current and adjusting the driving current amplitudes.
并通过电流退火，电流化学镀和调节驱动电流幅值来增强复合丝的GMI效应和磁场灵敏度。
This paper introduces the application of IGBT, EXB841 and LEM models in high power PWM DC servo driving system, and the EMCD of driving system.
本文介绍IGBT、EXB841和LEM模块在大功率PW M直流伺服驱动系统中的应用和系统抗干扰设计。
Based on the embedded system of ARM, the design scheme of DC motor and stepper motors driving circuits is proposed.
基于ARM嵌入式控制器，提出了供纸系统中直流电动机和步进电动机驱动电路设计方案。
The DC motor is commonly used as driving equipment in the industrial scene.
直流电机是工业现场中常用的驱动设备。
Based on AT89C51 single chip processor, divided driving control technology is applied to the control of DC brushless motor in real time tracking system, which increases the precision of control.
利用AT 89C5 1单片机实现将细分驱动控制技术应用于实时跟踪系统中的直流无刷电机控制，提高了控制精度，对控制系统的硬件和软件进行了详细介绍。
According to the kind of driving machines, the speed-varying methods of air-conditioner fans can be classified into two kinds: DC speed-varying and ac speed-varying.
根据驱动电机的不同，可以把空调风机调速方法分为直流调速和交流调速两种。
Three driving modes of different velocity and resolution (AC mode, GATE mode and DC mode) are used to realize both long stroke length and high resolution.
通过三种不同速度和分辨率的驱动方式(AC模式，GATE模式和DC模式)兼顾大行程与高分辨率的驱动。
The permanent magnetic servo DC motor is used as the driving source of making the axis of the tear tape rotate to feed the packing mechanism with the tear tape.
该系统采用永磁式直流伺服电机为驱动源驱动撕带轴的转动，向包装机构供给撕带。
The driving device adopts high efficiency, large torque, small volume DC brushless motor, the gear box adopts spiral gear running mode, the action is quiet, stable, durable, not easy to wear and tear.
驱动装置采用高效率、大扭矩、小体积d C无刷马达，齿轮箱采用螺旋齿轮运转模式，动作宁静、平稳、耐用、不易磨损；不惧高低温气候影响。
Because of the DC speed governor driving system stability, wide speed control range, easy automatization and it's widely used in new built factory.
由于直流调速拖动系统平滑稳定，调速范围宽，因此，容易实现自动化，并在新建厂矿企业广泛应用。
The systematic test principle and realization technique of dynamic balance method for self-driving outer rotor DC motor based on influence coefficient separate method are described in this paper.
描述了基于影响系数分离算法平衡自驱动外转子直流电机的测试系统原理及其实现方法。
The driving system use DC servo system of modulating pulse width.
驱动系统采用脉宽调制直流伺服系统。
It can improve the performance of the storage batteries and the workingefficiency of driving systems by using bidirectional DC/DC converter in ElectricVehicle at present.
双向DC/DC变换器可以优化电动机控制、提高电动汽车整体的效率和性能。
A method is proposed to enhance the stability of a system with a direct current (DC) generator driving constant power load (CPL) based on damping compensation.
提出了一种提高基于阻尼补偿的直流(DC)发电机带恒功率负载(CPL)系统稳定性的方法。
When the acceleration period has terminated, the switch means is controlled by a PWM pulse of the duty ratio in accordance with the speed instruction data, there by driving the DC motor.
在该加速期间结束时，以占空比与速度指令数据对应的PW M脉冲来控制开关机构，从而驱动该直流马达。
DC drive, one of the most important driving ways, is widely used in the industrial drive field.
直流传动广泛应用于工业传动领域。
The utility model discloses a double-driving SCM control device with an outer A/D converter for brushless DC motors, and relates to a SCM control device for brushless DC motors.
一种外置A/D转换器的无刷直流电机双驱动单片机控制装置，涉及一种无刷 直流电机单片机控制装置。
The utility model discloses a double-driving SCM control device with an outer A/D converter for brushless DC motors, and relates to a SCM control device for brushless DC motors.
一种外置A/D转换器的无刷直流电机双驱动单片机控制装置，涉及一种无刷 直流电机单片机控制装置。
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