The controller of the DC motor speed adjusting system is developed, which is based on ITAE optimum control theory combined with PI control.
提出了一种用于直流电机调速系统的控制器设计方法，该方法主要基于ITAE最优控制理论，并结合PI控制。
Based on analysis of principle of AC motor speed adjusting through frequency converter, the system of AC motor speed remote regulation by means of MSP430 single-chip microcomputer is explained.
通过对交流电机调速以及变频器的原理分析，确定了利用单片机对交流电机实行遥控控制的方法。
Starting-braking and speed transformation of AD motor is solved by using non-agreement communication in the system, the numerical adjusting speed is realized, and the control system simplified.
系统中使用无协议通讯解决交流电机的起制动和速度切换，实现数字化调速，简化控制系统。
By adjusting the rotational speed of motor, it can control the pressure of fire fighting watering system automatically with PLC.
采用可编程控制器调节电机转速实现消防供水系统压力的自动控制。
In high precision variable frequency speed adjusting system, system's performances are guaranteed by accurate motor parameters.
在高精度变频调速系统中，准确的电动机参数是系统性能的保证。
Outlet pressure and flow are normally controlled by adjusting valve clearance and it causes considerable energy waste. Frequency control of motor speed is a method of solving the problem.
常规的通过调节阀门开启度来达到调节注水泵出口压力和流量的作法，会使很大一部分能量造成浪费，要解决这个问题，可以采取对注水泵进行调速的方法。
Furthermore, different polygonal flux linkage locus's fluent switching point is also found, which overcomes the motor 'switching failure and improves the speed adjusting dynamic performance.
并找出了不同磁链轨迹间的平滑切换点，解决了切换时的电动机失步问题，提高了系统转速调节的动态性能。
BLDCM has the advantages of ac motor, such as simple structure, high running reliability, and has the features of DC motor, for example, the high efficiency, excellent adjusting speed characteristic.
直流无刷电动机既具有交流电动机的结构简单、运行可靠等一系列优点，又具备直流电动机的运行效率高、调速性能好等诸多特点。
The work of agencies to rely on speed and for adjusting the pump or motor variables agencies to achieve, to avoid the open loop system for the process are the hydraulic impact and energy loss.
工作机构的变速和换向靠调节泵或马达的变量机构实现，避免了开式系统换向过程中所出现的液压冲击和能量损失。
The motor speed can be controlled and regulated by adjusting the input voltage.
只要调整输入电压的大小，就可以使电机的转速得到调整和控制。
Micro motor adopted for electric control system adjusts speed by stepless speed adjusting mode to meet the requirements of various workpiece.
传送部分采用进口微型马达，用无级调速的方式调整速度，以适应不同工件的不同要求。
The paper brings forwards the adjusting speed technology to solve the problem of power big and disturb of motor and precision control difficulty.
轧机的电机功率大，干扰严重，其调速精度难以控制，文章提出的数字控制调速技术先进、可靠，解决了上述问题。
The direct torque control for permanent magnet synchronous motor is affected by the variation of stator resistance, and consequently the accuracy of speed adjusting system.
永磁同步电机直接转矩控制受定子电阻变化影响，进而影响调速系统的精度。
The transmission system is in type of DC motor fully-digital speed adjusting.
传动系统采用直流电机全数字式调速。
Traction roll is made with fire resistant rubber. tractive motor USES electromagnetism adjusting speed, freely adjusting speed continue, reel motor use single shaft, momental motor drives it.
牵引电机采用电磁调速电机，无级连续可调，收卷机采用单轴收卷，由力矩电机带动。
The transmission system is in type of DC motor full-digital speed adjusting.
传动系统采用直流电机全数字式调速。
The system is a experiment , so use more micro-sensors about asynchronous motor, Programmable Logic Controller PLC, D/A transducer and variable frequency and speed adjusting.
该系统是一个实验型的设计，所以主要运用的元件是异步电动机、可编程控制器PLC、D/A转换器和变频器等微型 元件。
Magnetic Heated Stirrer adopts fine direct current motor and has the advantages of low noise, stable adjusting speed, big moment. Totally enclosed heating tray is used for auxiliary heating purpose.
磁力加热搅拌器采用优质直流电机，噪音小，调速平稳，力矩大等优点，全封闭式加热盘可作辅助加热之用。
GC0618-1-D1 is used with electric speed adjusting motor and micro control box for thread trimming.
D1采用电子调速电机及微电脑控制自动剪线机构，具有自动剪线功能。
GC0618-1-D1 is used with electric speed adjusting motor and micro control box for thread trimming.
D1采用电子调速电机及微电脑控制自动剪线机构，具有自动剪线功能。
应用推荐