In this paper, a vector-control system using a 8-bit microcomputer for variable frequency speed-control of induction motor is presented.
本文介绍了一种用一台八位微机实现的异步机变频调速矢量控制系统。
The paper introduces the application and testing of intelligent fuzzy logic controller and alt-frequency speed-control technology in limestone crushing system in mining .
介绍智能型模糊逻辑控制器及变频调速在水泥矿山石灰石破碎系统中的应用、调试。
Step motor control, by pulse by changing the order of electricity can change the motor rotation direction, change the pulse frequency can change the motor rotation speed.
步进电机受脉冲的控制，通过改变通电的顺序可改变电机的旋转方向，改变脉冲的频率可改变电机的旋转速度。
This paper mainly discusses the control and protection system for the 20kw VSCF (Variable Speed Constant Frequency) Wave Power Electric Station.
本文着重介绍了20千瓦变速恒频波力发电系统的控制功能和保护体系。
It has the higher switching speed and frequency and can be used as the pilot valve for a larger flow rate valve, or as a direct control valve for small flow rate hydraulic loop.
该阀具有很高的切换速度和频率，可以用来作为大流量高速开关阀的先导控制阀，也可以在小流量回路中直接作为控制阀使用。
Frequency control the use of fans, water pumps, type of machinery to carry out speed control method to regulate the flow of energy conservation, economic efficiency is very important significance.
采用变频调速控制，对风机、水泵类机械进行转速控制来调节流量的方法，对节约能源，提高经济效益具有非常重要意义。
Equipment is durable, convenient cleaning, maintenance simple frequency control of motor speed conveyor belt speed can be adjusted according to product different control at any time.
设备经久耐用，清洗方便，维修简单变频调速可根据产品不同随时控制调整输送带速度。
At the same time using Holzer sensors will be converted into pulse frequency motor speed feedback to the MCU, realize the speed closed-loop control, to achieve speed detection.
同时利用霍尔传感器将电机速度转换成脉冲频率反馈到单片机中，实现转速闭环控制，达到转速检测目的。
A new slip frequency vector control scheme with speed calculation algorithm is proposed in this paper.
本文提出一种带有速度推算算法的转差频率矢量控制。
There are many optional speed levels and frequency control lifting except the standard speed.
除了标准起升速度外，还有多种速度可供选择，也可选用变频控制起升。
The main drive of the whole line uses a reducer with the frequency conversion to control, the speed control, length setting and the localization control are accurate and reliable.
整线成型主驱动采用一个减速电机加变频控制，速度控制、定长、定位控制准确可靠。
Based on analysis and discussion to normal design of frequency speed change control for cement plant, optimized design plan for general frequency speed change control has been put forward.
以水泥厂常见的变频调速控制设计为例，在对其认真分析讨论的基础上，提出了通用变频调速控制优化设计方案。
This paper briefly introduces the basic idea of vector control and its application in asynchronous motor frequency control of motor speed is discussed.
简要介绍了矢量控制的基本设想，并就其在异步电动机变频调速中的应用展开讨论。
Some are equipped with feeding frequency control can be arbitrarily adjust the speed of feeding.
送料部分均配有变频调速，可任意调节送料之速度。
Control Techniques variable frequency drives provide continuous control, matching motor speed to the specific demands of the work being performed.
控制技术的变频驱动器提供连续控制，配套电机的速度，工作的具体要求正在执行。
Because the AC asynchronous motor 'synchronous speed is determined by the frequency, we can control the AC asynchronous motor' speed by changing the supply power's frequency.
交流变频调速系统是利用异步交流电动机的同步转速随频率变化的特性，通过改变电机的供电频率而进行调速。
This paper discusses the slip frequency control of variable frequency regulating speed system, and analyses the shortage of this control way.
本丈对转差频率控制的变频调速系统进行讨论，分析这种控制方式所存在的不足；
DSP-based variable frequency AC motor speed control system, he is more use of the procedure.
基于DSP的交流电动机变频调速控制系统，他是比较使用的程序。
An algorithm for fuzzy sliding mode control was proposed for AC speed drive with a slip frequency vector control.
针对滑差频率矢量控制交流调速系统，提出并设计一种模糊滑模控制算法对速度环进行控制。
Through application of frequency converter in constant pressure water supply system, the paper describes the economic feature and advantages of adopting AC frequency conversion speed control method.
通过变频器在恒压供水系统中的应用，阐述了采用交流变频调速控制方案的经济性和优越性。
In this thesis, a slid frequency vector control system and a speed sensorless vector control system based on reactive power are investigated and analyzed.
本文研究分析了转差频率型矢量控制和基于无功功率的无速度传感器矢量控制。
The closed circuit control system with frequency conversion for adjusting speed controlled by industrial computer is introduced with its control function and realization.
文章介绍了一种由工业计算机控制的变频调速闭环控制系统，同时介绍了该系统的控制功能和电气实现。
Against the heavy equipment load and complex operations characteristic, the spindle used vector control technology of ac frequency speed control; the car used advanced ac servo control technology.
针对该设备负载大、运行情况复杂等特点，主轴采用了交流变频调速矢量控制技术，小车采用了先进的交流伺服控制技术。
This paper presents a novel open-loop speed control method for induction motors that provides high output torque and nearly zero steady-state speed error at any frequency.
提出了一种新颖的感应电机开环速度控制法，在任一频率下，它不但能使电机输出高的力矩，而且使稳态速度误差几乎等于零。
Two kinds of wind power generation systems are introduced as well as the frequency control, power control and rotational speed control of generator in parallel operation.
介绍了风力发电系统的两种形式和并网运行的频率控制、功率控制、发电机转速控制。
Frequency control the use of fans, water pumps, type of machinery to carry out speed control method to regulate the flow of energy conservation, improve cost-effectiveness of great significance.
采用变频调速控制，对风机、水泵类机械进行转速控制来调节流量的方法，对节约能源，提高经济效益具有非常重要意义。
The practice after the feeding pump of hard pitch controlled by belt changed into frequency control of speed in AISC Chemical General Plant is introduced.
介绍了鞍钢化工总厂硬质沥青加料泵皮带调速改为交流变频调速的实际应用过程。
According to the requirements of synchronous speed control of series conveying belt, several patterns which could realize the synchronous speed control under frequency conversion was analyzed.
针对多级胶带输送机同步运行要求，分析了胶带机变频拖动同步运行实现的几种模式。
The application of ABB ACS800 direct torque control (DTC) frequency-variable speed control system in the reducer loading test was presented.
介绍应用abb公司的ACS800直接转矩控制(DTC)变频调速控制系统具体实现减速机性能的测试。
To the most potential variable-speed constant-frequency doubly fed induction generator, the device of power electronics converter used to control rotate speed is analyzed.
针对最具有发展潜力的变速恒频双馈风力发电系统，分析其用于转速控制的电力电子变换器装置。
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