Frequency speed control, kick control, simple operation.
变频调速，脚踏控制，操作简便。
The advantages of frequency speed control in forced draught fan for boiler in power plant are set forth by examples.
结合实例阐明了电站锅炉送风机采用变频调速的优点。
An induction motor variable frequency speed control system used in textile carding machine is presented in this paper.
本文介绍一种用于纺织机械——梳棉机的感应电机变频调速系统。
Based on specific demand in machining process, a constant line speed control method is proposed, which is used in variable frequency speed control system.
针对数控机床工件恒线速加工时的特殊要求，提出了一种应用于变频调速系统的恒线速控制方法。
Based on the new ANN (artificial neural network) inverse system control method, the AC variable frequency speed control system is analyzed and experimented.
本文运用神经网络逆系统这一新的控制策略，对异步电机变频调速系统进行可逆分析与控制试验。
The PLC control system, variable frequency speed control system, mathematics model technology and SCADA system is used. The system has been running well constantly.
该控制系统应用plc控制、变频调速、数学模型以及上位监控系统技术，达到了良好效果。
In this paper, a slip-frequency vector control system using a single-chip micro - computer 8031 of MCS-51 family for variable frequency speed control of induction motor is introduced.
本文介绍了一种采用MCS—51系列单片机8031对异步机实行滑差频率矢量控制的调速系统。
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。
The result of analysis and experiment show that the proposed method can be applied in the AC variable frequency speed control system which is nonlinear, fast changefully and difficult to be modeled.
理论分析与实验的结果表明：该方法对异步电机变频调速这一非线性、快速多变、难于建模复杂系统的控制是实用和有效的。
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。
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。
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。
Glass frequency electrical transmission system using speed control.
玻璃传送系统采用变频电机调速控制。
Frequency control the use of fans, water pumps, type of machinery to carry out speed control method to regulate the flow of energy conservation, 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。
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。
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。
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；
The paper introduces the application of variable-frequency speed governor in belt conveyor. Which provides a new control mode for belt conveyor.
主要介绍了变频调速在带式输送机上的应用，为皮带输送机提供了一种新的控制方式。
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。
PID control is used on the speed control by frequency variation and the temperature pressure control of the Chain gate machine-rotary kiln of the system.
本系统的回转窑直流调速、变频调速以及温度压力控制都采用了数字PID控制。
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