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- rotate speed of DC motor 电机转速
- A New Expression Between the Rotate Speed and Current Commutating Pulsant Frequency of DC Motor 直流电机转速与电流换向脉动频率关系新表达
- Control of DC motor rotation speed using microcomputer timer 应用微机定时技术控制小直流电机转速的实验
- PWM Regulating Speed of DC Motor Using AVR Microcontroller 用AVR单片机实现直流电机PWM调速
- In this paper, Analysis on the difference between designed speed and actual speed of NdFeB DC Motor is described in detail. 针对钕铁硼直流电动机额定转速实测值与设计值差异的现象进行了详细分析;指出了两类原因使这种差异存在.
- This paper presents the fundamental theories, regulating methods and practical results of theweak magnetism speed governing system of DC motor with back-potential ALU. 本文简要介绍了采用反电势运算器的直流它激电动机弱磁调速系统的基本原理,系统调试方法和实践结果。
- The rotate speed of shoe tree and feed speed of vibration roller can be adjustedaccording to the leveling requirement. 鞋楦的旋转速度和震荡滚轮的前进速度,可配合平整之需求来加以调整。
- The frequency of the current ripple caused by brush commutation in the DC motor is determined by the number of commutator bars, the number of asynchronous commutated brushes, and the rotation speed. 认为换向造成的电流脉动除了与转速有关以外还与换向片数以及不能同时换向的电刷个数有关。
- The crosswise velocity, longitudinal velocity and rotate speed of the stirring screws can be adjusted. 搅拌螺旋的转速、小车横向移动速度,以及大车前进速度,均可以通过变频器调整。
- In this design system also adopt PWM technique control DC motor drive chip L298 to realize the accurate control of motor rotation speed, rotation direction, Start, Stop and etc operating position. 采用脉冲宽度调制技术控制直流电机驱动芯片L298,以实现对电机的转速、转向、启停等多种工作状态进行快速而准确的控制。采用红外光电传感器实现检测电机速度和画板上黑色曲线轨迹。
- Modified formula for sensorless DC motor speed estimation was proposed through the test for relationship between the current ripple frequency and the rotation speed in a 4-pole DC motor. 摘要根据4极直流电动机的转速与脉动电流频率关系的实验结果,对现有的无传感器直流电动机测速公式提出了修正意见。
- The contact stress is reduced,the life of the wheel,roller and bearings is prolong,it makes autocontrol easy and increases rotate speed of kiln. 降低了接触应力,提高了轮带、托轮和轴承的寿命,便于实现自动控制和提高窑的转速。
- This series gearmotor with square reducer consists of seires GK square reducer and every series of DC motor. 本系列减速电动机是由GK系列方箱齿轮与各系列的直流电动机耦合而成。
- As well as the rotate speed of V-press is adjusted conveniently for improving the dewater effect of V-press and heightening throughput of machine. 同时可以方便地调节机器的转速,改善了机器的脱水效果,提高了生产能力。
- The result shows that the control precision and parameter adaptability, anti-interference of DC motor is improved after using this arithmetic. 系统运行结果表明,采用该算法提高了直流电机的控制精度、参数自适应性、抗干扰性。
- The key of MPPT(Maximum Power Point Tracking) is to adjust the rotate speed of wind turbine quickly according to the variable wind speed for high efficiency. 变速风力发电机高效利用风能所需的风能最大功率点追踪(MPPT)算法的关键在于能否根据风速变化快速调节风轮转速,使其迅速达到相应的最佳转速。
- The structure and operation principle of DC motor, AC motor, control motor and transformer are introduced in this course. 本课程主要介绍直流电动机、交流电动机、控制电机和变压器的基本结构、工作原理;
- This design not only rotate speed of electromotor and pipeline pressure can be homeostasis, but also prevents the phenomena of water hammer and makes equipment safety. 该设计可使电机转速与管道压力达到动态平衡,既防止了水锤的产生,又保护了设备的安全。
- With the variations in the DC supply voltage,it is easy to alternate the input DC voltage of the converter and control the rotating speed of stator's magnetic flux. 通过直流电源电压的变化 ,可以方便地调节定子磁链的旋转速度。
- BP network with two inputs of armature current and force current and with one output of flux of DC motor is built up.Expenrimental data is supplied to train the BP network. 摘要以电枢电流和励磁电流作为输入,以直流电动机的每极磁通作为输出,构造BP网络,并且采用实验数据作为教师信号对其进行训练。