The paper presents a method to design wide-ratio pole-changing motor by using single-layer winding and phase changing.
本文介绍了用单层绕组和换相法设计远极比变极电机的方法。
This paper describes a device of cable reel which is driven by computer controlled frequency-changing motor whose velocity can be regulated.
介绍了一种以微机控制变频调速电机驱动电缆卷筒的装置。
Even in changing times, there is still plenty of the old passion for a flash motor.
就算时光流逝，人们对飞驰的汽车的热情一如既往不曾减退。
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。
Work by a pair of cavity mesh with each other in motor driver of rotor, next at high speed, and between the volume is constantly changing, so as to constantly pressure increase pressure condensed.
工作腔由一对相互啮合的转子组成，在电机驱动下高速运转，齿间容积不断地变化，从而不断地压缩并升高压力。
Infinite speed adjusted motor makes speed changing freely.
采用无段变速马达，速度可自由调整。
Stepping motor control by pulse, by changing the order of power to change the direction of rotation motor, change the pulse frequency may 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。
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。
Through the study of the electric machine parameter changing during the starting of the high voltage motor, provided the setting calculation method for high voltage motor overheat protection.
通过对高压电动机起动过程中电气参数变化的研究，提出高压电动机过热保护的整定计算方法。
The frequency changing start up process of generating unit actually is a synchronous driving process under the action of electromagnetic moment of the stator and rotor of motor.
机组变频起动过程，实际上是电动机依靠定子和转子的电磁力矩作用的同步驱动过程。
Changing the way of motor starting, demounting off the original starting devices, using the soft starter to start the air-compressor;
改变电机启动方式，甩掉了原启动装置，采用软启动器启动空气压缩机；
Changing the speed of electric motor by using ac frequency conversion is to regulate output flow of hydraulic pump to control the velocity of the motion of hydraulic actuator.
通过交流变频调速改变电机的转速来调节液压泵的输出流量。控制液压执行元件的运动速度。
Controlling method of current loop with single neuron adaptive PSD controller which can make motor work stably in the condition of changing load is discussed in detail.
详细介绍了采用单神经元自适应PS D控制器对电流环进行调节的方法，使电机能稳定工作在变负载条件下。
The method of finite state machine together with PWM circuit is given to realize the algorithms of Voltage Space Vector control and 120 electrical Angle changing phase control of DC brushless motor.
针对电机空间矢量控制和直流无刷电机120电角度换相控制算法的电路实现，采用了控制状态机与PWM发生电路相结合的方法。
Objective to observe the changing rules of skeletal muscle and motor end plate of the denervated rats.
目的：观察大鼠去神经支配后骨骼肌及运动终板形态学随时间的变化规律。
By observation and analysis of the test data, changing the plate steel endshield of motor into the disc iron one can improve the rigidness of endshield, and reduce the axial vibration of motor.
通过观察和检测数据分析，电动机的平板式钢板端盖改为盘式铸铁端盖，可提高端盖刚度，降低电机轴向振动。
Institutions in the pump or hydraulic motor with gear to adjust its speed to achieve the purpose of changing the displacement.
在泵的机构中设有变速箱或以液压马达调理其速率﹐以到达转变排量的目标。
Turbulent characteristics of different frequency band in constant volume combustion bomb can be realized by changing the structure of the perforated plate and the velocity of driving motor.
利用孔板平动法生成湍流，通过调节平板孔径的大小和驱动电机的转速来达到在定容燃烧弹内生成不同频段湍流特性的目的。
There is no unusual noise in motor during the progress of changing over the load and on abnormal heat generating in control resistance box.
确保在改变载荷过程中发动机没有不正常噪音，在控制抗阻箱中无反常热量产生。
Reversible rotor extends a much longer service life of wearing parts due to the reversible feed guiding mechanism and the automatic changing of motor rotation direction by dint of limited switches.
可换向进料导向机构和通过行程开关自动改变电机的转向，从而实现转子正反向工作，大大延长易损件的使用寿命；
The key issue to apply CNG fuel involves the construction of CNG station and changing measures of CNG motor vehicle, and they are feasible both technically as and economically.
建立CNG加气站和CNG汽车改装这两个CNG应用关键问题在技术上、经济上都是可行的。
The invention provides a power supply method used for an asynchronous motor which supplies power to the motor by a PWM pulse voltage with the duty cycle changing according to the specific rules.
本发明提出了一种异步电机的供电方法，即采用占空比按指定规律变化的PW M脉冲电压给电机供电。
The invention has compact structure and fewer wires, to prolong the service life by reducing the impact on motor when changing states.
微处理器加驱动芯片的控制方式，可减少状态转换过程中对电机的冲击，延长了电机使用寿命。
Considering changing the subdivided driving way of stepping motor and improving characters of the system, a new kind of self-adaptive subdivided driving circuit (ASDC) based on AT89C51 was designed.
从改进步进电机的细分驱动方式、改善系统性能出发，设计了一种基于AT 89c51的步进电机自适应细分驱动系统。
The paper analyses fault reason of the axial piston motor during changing the flow and puts forward some improvement methods.
分析了轴向柱塞泵工作时易出现的某些故障的原因，并提出了改进措施。
The motor driven screw mechanism pushes wet soybeans into the grinder. Feed can be adjusted by changing RPM of the motor.
由电机带动螺旋机构推动湿豆进入磨浆机中，通过调节电机转速调节湿豆供应量。
The control aim is accomplished by changing the speed of the motor according to the frequency and running steady.
实验结果实现了电机的变频调速，且速度稳定，达到了论文提出的控制目标。
ASIC chip ML4425 was used as the central control unit. The speed of the motor can be controlled by changing the input voltage and hence the flux and pressure of blood can also be controlled.
电动机采用ML 4425专用芯片作为主控芯片，通过调压控制电机的转速，从而达到控制血液流量及压力的目的。
In the early stages of motor recovery after an ischemic stroke, the correlation between the TCM syndrome and the process of motor recovery is changing.
在缺血性中风恢复早期，肢体运动功能的恢复和证候之间的相关性在不同时间段有着不同的特点。
In the early stages of motor recovery after an ischemic stroke, the correlation between the TCM syndrome and the process of motor recovery is changing.
在缺血性中风恢复早期，肢体运动功能的恢复和证候之间的相关性在不同时间段有着不同的特点。
应用推荐