本文论述了微机控制直流电动机转速系统的设计。
The design of DC motor speed regulation system controlled by microcomputerwas described in this paper.
考虑电动机转速的波动，建立了系统的等效驱动力学模型。
Taking account of motor rotating speed fluctuations, a system equivalent mechanical model is established.
摘要抽油机中载荷变化大，易引起电动机转速和转矩的波动。
This paper mainly focuses on the fluctuation of velocity and torque of the electromotor because of the variational load in the pumping unit equipment.
实现了对步进电动机转速、角度的控制，并完成了实物的制作。
Realization to step enter the electric motor turn soon, Angle of control, and completion real object of creation.
流量、电动机转速及分流比是影响复合式水力旋流器分离特性的主要操作参数。
The flow rate, electromechanical rotation rate and split ratio are the main operational parameters which can affect the separation characteristics of the compound hydrocyclone.
流量、电动机转速及分流比是影响复合式水力旋流器分离特性的主要操作参数。
The separation characteristics of hydrocyclones with different physical property were studied in this paper.
提出了用改变异步电动机转速的方法，自动调节泵的流量的微机控制系统设计方案。
A microcomputer control system for pump flow regulating by automatic motor speed governing is designed.
旨在说明直流无刷电机控制器对电动机转速控制以及换相控制的实现方法和技术优势。
The main purpose is to illustrate the solution and technology advantages of DC brushless controller, in account of rotational speed control and phasing rotation control function.
本装置的性能优于交流调压调速系统，是一种简单而可靠的交流绕线式电动机转速控制系统。
Being a simple and reliable speed control system for AC inductive motors, the device features better performance than AC variable voltage speed control system does.
介绍了8051单片机在小功率直流电动机转速控制系统中的应用、实现方法、硬件设计及软件设计等。
Gives an introduction to the application, working approach and designing of software and hardware in the rotation control system of low - power DC motors.
根据直流牵引电动机在持续运行中的温升变化控制通风机的电动机转速，实现通风量调节，以达到节能目的。
According to temperature changes of the DC traction motor in continuous operation, the fan motor speed is controlled, and the purposes of regulation of ventilation and energy-saving are achieved.
本文在课题组多年来对交流电机pch控制研究的基础上，引入了无速度传感器控制，实现对电动机转速信号的估计。
In this paper, on based research of PCH control of AC motors by research group, speed sensorless control is introduced, then speed estimation of AC motor is realized.
实验结果表明：在网络控制系统中无刷直流电动机转速响应快速，运行平稳，证明了这种新型控制系统的有效性和可行性。
The experimental result shows BLDCM response rapidly and run stableness in networked control system and proves the validity and feasibility of this control system.
更令人惊叹的是，这个感应电动机转速能达到每分钟6000转并且能产生最高为295磅英尺（400牛顿米）的扭矩，也就是说传统的变速器的作用将减少。
More impressively, the motor’s 295lb-ft (400 newton-metres) of torque is available from rest to nearly 6, 000 revolutions per minute, which eliminates the need for a conventional gearbox.
更令人惊叹的是，这个感应电动机转速能达到每分钟6000转并且能产生最高为295磅英尺（400牛顿米）的扭矩，也就是说传统的变速器的作用将减少。
More impressively, the motor's 295lb-ft (400 newton-metres) of torque is available from rest to nearly 6,000 revolutions per minute, which eliminates the need for a conventional gearbox.
实验证明，该系统能够较好地测定感应电动机的转矩-转速特性。
Experimental result shows that the system can measure well torque-speed characteristic of induction motor.
无负载转速是电动机设计过程中的一个重要参数。
No - load speed is one of important parameters in ultrasonic motors design.
小型肥料制粒机主要由电动机、制粒圆盘、变速箱、底架、主轴轴承、调节装置和转速测试系统等组成。
Small-scale fertilizer granulator is mainly composed by motor, making grains disc, gearbox, underbed, main shaft bearing, regulate device and rotational speed test system, etc.
动力参数包括：电动机功率、额定转速、电机型号等。
Power parameter include: motor power, rated speed, motor model, etc.
许多电动机在启动时的扭矩转速特性几乎不变。
Many motors are characterized by its constant torque-speed characteristic during starting.
许多电动机在启动时的扭矩转速特性几乎不变。
Many motors do have a nearly constant torque-speed characteristic during starting.
控制电动机的转矩和转速，将电能转换成机械能，实现机械的旋转运动或反复运动。
By control the electric motor's torque and rotational speed, electric energy will be changed into mechanical energy, then mechanical rotary motion and repeated movement are realized.
该（旋转）环由电动机带动，其转速等于电动机的转速。
同步电动机不但功率因数高，而且其转速与负载大小无关，只决定于电网频率。
Not only high power factor synchronous motor, and its speed is independent of the load, depends only on grid frequency.
所连接的直流电动机可以这样调整使得其转速高于同步转速且旋转方向与定子旋转磁场的方向一致。
The coupled dc motor can be adjusted so that the speed of the system is higher than the synchronous speed and the system rotates in the same direction as the stator rotating field.
介绍了利用绕线转子异步电动机转子频率控制电机转速的新方法。
A new method controlling the speed of a motor by using the rotor frequency of a wound-rotor asynchronous motor is introduced.
调节电位器，便可调节电动机的转速。
Regulate the potentiometer, the then adjustable electric motorrev.
实验结果表明，以“被测试电机-直流电力测功机-负载电阻”为结构、基于数字信号处理芯片的感应电动机转矩-转速特性自动测试系统是可行的。
The experimental results demonstrate: the automatic measurement system which bases on the DC dynamometer and DSP can well measure torque-speed characteristic of induction motor.
实验结果表明，以“被测试电机-直流电力测功机-负载电阻”为结构、基于数字信号处理芯片的感应电动机转矩-转速特性自动测试系统是可行的。
The experimental results demonstrate: the automatic measurement system which bases on the DC dynamometer and DSP can well measure torque-speed characteristic of induction motor.
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