DC driving system is the main form of automatic control system.
直流调速系统是自动调速控制系统的主要形式。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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