在此基础上研究了利用谐波反电势信号实现混合式步进电动机闭环控制的方法，设计了步进电动机的微机控制系统。
On this base, the closed - loop control method of hybrid step motor using the harmonic back EMF is investigated, and the microcomputer control system of step motor is designed.
通过判断电动机输出功率信号中是含有一个直流分量和一个余弦分量还是仅含有直流分量，判断鼠笼转子有无故障，提出了一种感应电机转子故障检测的新方法。
A new method to detect rotor cage fault of induction motor is presented, which monitors if the output power signal comprises a direct component and an alternating component or only a direct component.
利用电压空间矢量脉宽调制(SVPWM)信号变换控制功率变换器各开关器件的导通占空比，实现异步电动机的速度调节。
Using space vector pulse-width modulation (SVPWM) signal transformation method, speed regulation of induction motor is implemented by controlling the duty ratio of every converter switch.
研究了利用谐波反电势信号实现混合式步进电动机闭环控制的方法。
In this paper, the closed-loop control method of hybrid step motor using the harmonic back EMF is investigated.
温度继电器检测电动机温度，超过额定温度发出信号，接触器切断主电路，完成电机保护。
Temperature relay tests temperature of motor, if it exceeds rating temperature to send a signal, contactor cut off main circuit to complete protection of motor.
这种新方法的基础是零序变压器在三相异步电动机断相时输出一个电压信号。
Use is made of that zero-sequence transformer outputs a voltage signal when phase-failure occurs in three-phase induction motor.
本文提出了一种基于数字信号处理器(dsp)的交流异步电动机经济实用的降压节能方案，并介绍了其软硬件的设计与实现方法。
In this paper, we present an economic scheme of decompression energy saving for AC induction motor based on DSP, its software and hardware were analyzed.
采用机床主电动机功率法和声发射（AE）法来获取切削过程中发出的刀具磨损和破损信号，建立了刀具状态试验系统。
Experiments were implemented to obtain the motor power and AE signals under different cutting parameter condition(cutting velocity, feed velocity and cutting depth), tool wear and breakage conditions.
步进电动机是一种将电脉冲信号转换成相应的角位移的机电元件。
Stepping motor is a kind of electromechanical component that is driven in step angle or line displacement by electric pulse signal.
着重分析了电流参考信号超前角(滞后角)、系统参数和驱动方式对无刷直流电动机系统动态性能的影响。
The influence of the leading Angle (lagging Angle) of the current reference signal the parameters and drive mode of the system to the dynamic characteristics are analyzed.
步进电动机是一种将数字脉冲信号转换成机械角位移或者线位移的数模转换元件。
Stepping motors anr DA converting elements that can turn digital pulse signals into mechanical angular displacement or linear displacement.
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.
文章提出了采用一种新型专用智能功率模块ASIPM，结合数字信号处理器DSP开发的永磁同步电动机伺服控制系统；
This paper proposes a servo control system for permanent magnet synchronous machine (PMSM) based on Application Specific Intelligent Power Module (ASIPM) and Digital Signal Processor (DSP).
本文研究一种基于数字信号处理器（DSP）的三相异步电动机变频调速系统。
The variable frequency variable speed system of three-phase asynchronous motor based on DSP has been researched in this paper.
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.
对交流调压电路进行了进一步的研究，利用起动电流信号作为反馈量，对三相感应电动机软起动控制系统进行闭环控制。
Further study of Circuit exchange regulator presents, takes the starting current as feedback signal to complete closed-loop control of soft start control of the three-phase induction motor.
包括带A/D转换器的单片机及取自电动机定子绕组的反电动势的三个转子磁钢位置传感器信号。
The utility model comprises a SCM provided with A/D convertor and 3 rotor magnet steel position sensor signals taken from the counter electromotive force of the motor rotor winding.
利用图形缩放技术，对笼型异步电动机转子正常及断条情况下的定子电流信号希尔伯特模式做了研究，并概括出内在规律。
The Hilbert pattern of the induction motor stator current, which is a certain graph in nature, is investigated, using the graph zooming technique.
为了提高直流无刷电动机的控制效果，本文提出了一种基于DSP(数字信号处理器)TMS320 LF 2407 A芯片的高效直流无刷电动机控制系统的设计方案。
To improve the control effect of BLDCM, a novel design of high performance BLDCM control system based on DSP (Digital Signal Processor) TMS320LF2407A has been put forward.
分析了小波脊线与信号瞬时频率的关系，提出了基于小波脊线的刮水器电动机机械特性测试新方法。
The relationship between wavelet ridge and instantaneous frequency is analyzed and a new method of the mechanical characteristic test of the wiper motor based on wavelet ridge algorithm is proposed.
提出了一种基于数字信号处理器(dsp)的开关磁阻电动机模糊控制系统。
This paper presents a switched reluctance motor (SRM) fuzzy control system based on digital signal proces-sor (DSP).
基于凸极跟踪的思想，详细讨论了高频电压信号注入法在永磁同步电动机无位置传感器运行控制中的应用。
Based on the thought of salient pole tracking, the paper studied the application of this method in sensorless control of PMSM in detail.
介绍了单相电动机离心开关断开转速的微机测试系统，该系统利用单板机控制，以电动机起动电流作为开关断开信号。
The paper introduced a microcomputer measuring system that takes measurement of the cen-triffugal switch breaking speed of single phase induction motor.
首先，根据开关磁阻电机的结构和工作原理，建立了SR电动机的数学模型，分析并确定了SR电动机的位置信号检测方法。
Firstly, according to the structure and working principle of SRM, establish its mathematical model, analyze and confirm the position signal detective method of SRM.
本文对于反电动势波形接近正弦的永磁无刷直流电动机，提出一种基于六个离散位置信号的自同步svpwm控制方法，用于抑制电磁转矩脉动。
For the BLDCM which has a sinusoidal back EMF, this paper presents a self-synchronous SVPWM control method using six discrete position signals for minimizing torque ripple.
分析了谐波反电势信号的构成，设计了相应的位置信号检测电路及步进电动机的微机控制系统。
The constitute of harmonic back EMF is analysed, the position detection circuit and the microcomputer control system of step motor is designed.
分析了谐波反电势信号的构成，设计了相应的位置信号检测电路及步进电动机的微机控制系统。
The constitute of harmonic back EMF is analysed, the position detection circuit and the microcomputer control system of step motor is designed.
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