在几种常见的电机控制方式中，最终选定了转差频率控制方式的变频调速技术。
Slip frequency as a technique of frequency conversion is finally adopted among several control methods of motor.
通过改进控制方式，可以使这两个功率开关的导通和关断都工作在软开关条件下，从而可以进一步提高开关频率，达到增加功率密度的目的。
The improved control method can make the two power switches turn on and off all under soft switching conditions and further increase the switch operating frequency and power density.
改进了多台水泵的控制方式，即根据系统用水量改变水泵频率从而控制水泵的运行情况。
The control scheme for multi pump operation is thus improved, which changes pump frequency and controls pump operation according to water consumption.
如何既能保证引弧成功率高，又能实现以降低频率的方式减小对电网和控制系统的干扰，是设计引弧电路所要解决的问题。
As an ignition circuit, the problem how to ensure the higher success rate of ignition and reduce the disturbance to control system is all the welding personnel need to face.
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；
This paper discusses the slip frequency control of variable frequency regulating speed system, and analyses the shortage of this control way.
设计了一种离散频率的PF M控制方式。
A pulse frequency modulation (PFM) with discrete frequency is designed.
与其它控制方式相比，OCC优势在于其控制电路结构简单，且高频开关的开关频率是恒定的。
Comparing with another control methods, OCC have more simply controlling circuit and constant switch frequency.
从滞环控制方式的特点入手，详细分析了单相滞环比较控制方式的原理并计算得出了实际的器件开关频率计算式。
Starting from the characteristics of hysreresis comparison control, the principle of hysreresis comparison control and the formula of actual switch frequency are gotten.
在设计的系统中视频数据采用并行的输出方式，降低了整个控制系统的工作频率。
In this system, the video data are output in parallel, which reduces the work frequency of the whole controller system.
每个MAX262器件含有两个二阶滤波器，在程序控制下设置中心频率f 0、品质因数Q和滤波器工作方式。
Each MAX262 device consists of two second-order filters, under program control to set the center frequency f0, the quality factor q, and filter work.
同时介绍了一种用软件分频方式控制数据采集频率的方法。
In addition, a method is described that data acquisition frequency is controled by dividing frequency in software.
在对现有各种感应加热装置功率控制方式比较的基础上，提出一种基于频率跟踪的新型的、较优的PW M功率调节方式。
Based on comparing with the different power modulation, a novel and better PWM based on follow tracing is proposed in this paper.
在对现有各种感应加热装置功率控制方式比较的基础上，提出一种基于频率跟踪的新型的、较优的PW M功率调节方式。
Based on comparing with the different power modulation, a novel and better PWM based on follow tracing is proposed in this paper.
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