reverse control of asynchronous ac motor speed under fluid loading

analysis on rotor-side variable frequency drive system of high power ac motor

大功率交流电动机转子变频调速系统的分析

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on controlling over the constant power of the alternating current motor

交流电动机恒功率控制探讨

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energy-saving and pressure-increasing reform of 380kw/ 6kv alternating current motor

380kW/6kV交流电动机升压节能改造的优化

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study on analysis and simulation of double electrical machinery transmission system

浅谈交流电动机的变频调速双电机传动系统分析与仿真研究

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the application of single board computer to ac motor speed regulation

单板机在交流电动机调速中的应用

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the paper presents a high speed position orientation system based on the pts ( peripheral transaction serve) function of traditional micro chip ( 196mx) for asynchronous ac motor.

提出了一种基于PTS、采用传统单片机（196MX）的异步交流电动机在高速下精密位置定位系统。

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a control structure of pm motor ac servo system is put forward on the basis of vector control theory. the torque dose-loop vector control system, in which dsp is used as controller and igbt is used as power switch component, is completed for pm motor.

根据交流电动机矢量控制理论，提出了PM电动机交流伺服系统控制结构，并实现了以DSP为控制器，IGBT为功率开关器件的永磁同步电动机矢量控制转矩闭环系统。

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to adjust the handling capacity of the centrifuge by regulating Δω 0 and Δω 1, suggestions are put forward as follows: ( 1) using dc motor instead of ac motor when scr system being used;

为此，提出改进建议：（1）在有SCR可控硅系统的现场，用直流电动机代替交流电动机，用控制电流大小的方法来调节电动机的转速，从而控制Δω0；

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the aim of this paper is making two motors to achieve synchronous operation, and making an excavator to work in the best operating conditions through the frequency control technology of asynchronous motor and the use of digital pid to control the two motors.

本文的研究正是想通过交流电动机的变频调速技术，采用数字PID控制两个电动机，使两个电动机实现同步运转，使挖掘机在最佳的工作状态下运转。

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this paper introduces a new algorithm of spwm sequence used in the ac motor's vf sr system with microcomputer, in which regular sampling can be improved.

介绍了计算机控制的交流电动机变频调速系统SPWM序列的一种新算法。该算法改进了规则采样法。

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discussion is made on the principle of developing squirrel cage three phase induction motor frequency converter system by means of plc and frequency converter with the conclusion under pi controller given.

给出了用可编程控制器、变频器来实现鼠笼式三相异步交流电动机变频调速系统的机理，并给出在PI控制器下的结论。

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it adopts scr with large power to establish the voltage adjustment circuit, so the ac motor can be started with low voltage.

它采用大功率的SCR组成电压调节电路，这样交流电动机就可以低压起动。

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realization of profibus in the ac motor variable speed drive system

PROFIBUS在交流电动机变频调速系统中的实现

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ac motor dtc system based on fpga and cordic algorithm

基于FPGA和CORDIC算法的交流电动机直接转矩控制

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design of ac motor servo control system based on fpga

基于FPGA的交流电动机伺服控制系统的设计

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realization of ac motor vector control based on dsp

交流电动机矢量控制的DSP实现

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it mainly is insist of ipc ( industry process computer), intelligent regulator ( ir), programmable logic controller ( plc), frequency-converter and alternating current motor.

本系统主要是由工控机（IPC）、智能调节器（IR）、可编程控制器（PLC）、变频器、交流电动机等组成的。

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now waldemar , whyn't you come clean and tell him what's on your mind?

沃尔德马,你干吧不把心里话竹筒倒豆子,一齐讲给他听 呢 ?

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the great bulk of the work was handled by jerry greenwald and steve miller.

大量的工作是由杰里·格林沃尔德和史蒂夫·米勒去做的.

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the stately manor in the cotswolds transformed into her dwelling upon marrying an aristocrat.

这座位于科茨沃尔德的庄严宅邸在她与一位贵族联姻后变成了她的居所。

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