Main motor frequency modulation control.
主电动机调频控制。
External main motor frequency, accurate and intuitive.
马达主频率外置，准确直观。
The DSP processor was adopted to realize the permanent magnetic synchronism motor frequency conversion timing system.
采用DSP处理器实现永磁同步电机变频调速系统。
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。
This paper introduces the 16-bit MC9S12H256 MCU and describes the design of closed loop asynchronous motor frequency converter control system using it in details.
文章介绍了目前国内应用较少的16位单片机MC9S12H256，并详细阐述了使用该型号单片机实现闭环变频调速系统的设计方案。
The results show that available power and power input of water pump continuously decline with motor frequency reducing, and pump efficiency also decrease at the same time.
结果水泵有效功率和输入功率均随着电机频率的下降而不断降低，同时水泵效率也随着频率下降而降低。
Results There was no significant difference between the two groups with regard to motor frequency, but the rate of mistake in the old group was significantly higher than that in the young group.
结果两组间的运动频率无明显差异，但中老年组的错误率显著高于青年组。
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。
Based on the static characteristics of induction motor, this paper analyzes the braking function of general voltage vector controlled frequency converter.
本文从感应电机的静态特性出发，分析了通用电压矢量控制变频调速器的制动功能。
Servo motor has small start frequency, can quickly from the lowest revolution accelerated to the rated speed.
伺服电机有很小的启动频率，能很快从最低转速加速到额定转速。
This paper discusses a minimum of parameters to determine the trajectory of a circular interpolation method and the method of frequency control stepper motor.
文中讨论了一种以最少参数确定一条圆弧轨迹的插补方法和步进电机变频调速的方法。
Frequency converter drives motor to realize stable velocity change operating.
变频器驱动电机，实现调速运转稳定。
Inductive motor mathematics model suitable for high switching frequency inverter drive is described in this paper.
主要研究适用于高开关频率变频器驱动的感应电动机数学模型。
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。
The variable frequency AC controller mounts directly on the AC motor.
变频空调控制器直接安装在交流电机。
Stepper motor is a motor controlled by digital signal, which converts pulse signal into Angle displacement. The wheeling speed is controlled by the frequency of pulse signal.
步进电机是一种数字控制电机，它将脉冲信号转变成角位移，电机的转速由脉冲信号频率决定。
Frequency conversion blower motor: air volume can be freely adjusted, which can meet requirement of air volume for paper sending.
变频风机电机，风量可以任意调整，随时满足送纸风量要求。
In a drive system of power transistor inverter-motor, not only can it be used in fine control of motor current waveform, phase, amplitude and frequency, but can also be used to sense, fault current.
在大功率晶体管逆变器——电动机驱动系统中，它不但可用来对电动机电流的波形、相位、幅值和频率进行精细控制，而且能快速地检测出故障电流。
Comparing with frequency converting driving system for asynchronous machine and adjustable speed for DC motor, the driving system has a wide application foreground.
与变频异步电机驱动系统和直流电机调速系统相比，开关磁阻电机驱动系统有着广阔的应用前景。
Experiments and simulations show that the proposed system can operate in audio switch frequency range without audio noise from the motor load, meanwhile, EMI can be limited to low level.
实验与仿真结果表明：该系统采用音频开关而不导致电机负载的音频噪声，同时使EMI能被限制在低电平。
The motor vehicles insurance is the primary property insurance class, and one of its characteristics is the high accident frequency.
机动车辆保险是财产保险的主要险种，它的一个特点是出险频率高。
Now commonly used servo motor is ac servo motor, the axial end in motor with photoelectric encoder, by examining the rotor Angle to frequency conversion control.
目前常用的伺服电机是交流伺服电机，在电机的轴端装有光电编码器，通过检测转子角度用以变频控制。
Motor horsepower, voltage, phase and frequency.
电机马力(功率)，电压，相位和频率。
Maintenance-free brushless drive motor with frequency inversion, has high start torque and short acceleration time.
免维护高力矩无刷变频电机直接驱动，启动力矩大、加速时间短。
Standard configuration is sidle frequency conversion motor drive & dec optional configuration is servo motor drive.
标准配置横行变频马达驱动，可选购横行伺服马达驱动。
Proficient in PLC programming (Siemens), human-machine interface touch screen, frequency converter, servo driver, stepper motor.
精通PLC编程（西门子、三菱），人机接口触摸屏、变频器、伺服驱动器、步进电机。
Considering this, this paper presents a method by experiment which can measure performance curve of silicon steel sheet at different frequency as reference of designing variable frequency motor.
针对这种情况，本文提出一种实验的方法，测取不同频率下硅钢片的特性曲线，以供变频电机设计时参考。
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。
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。
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