查询词典 motor control

I found a 51 stepper motor control project has a simple source code, can give those who want to design stepper motor-driven to help people.

详细说明：我找到的一篇51控制步进电机的工程有简单的源代码，可以给那些想设计步进电机驱动的人一些帮助。

According to the rotate speed and orientation of interface set motor, control motor drives the trolley minus rotation. Then, drive the rocket bomb rotation. The displacement sensor measures the core flopping in real time.

其根据人机界面设定电机的旋转速度和方向，控制电机以设定速度和方向，带动火箭弹支撑滚轮副转动，从而带动火箭弹全弹旋转，位移传感器对相对于定心部的跳动进行实时测量。

Firstly, to realize the motor control system, the rudimental principle of the bearingless induction motor is investigated.

本文阐述了无轴承异步电动机工作原理，对电机控制系统进行了理论分析和仿真研究。

In many fields, such as motor control, communication system and sequential control systems,high accuracy synehronization is the base of the control systems.

本文基于IEEE 1588高精度时间同步方式对该课题进行了研究，对IEEE 1588同步方式和实际系统中存在的问题进行了剖析。

Secondly, using digital processor TMS320LF2407, which is special for motor control, we develop a squirrel-cage induction motor experiment platform which based on VC principle.

其次依据矢量控制的原理，以电机控制专用的DSP 芯片TMS320LF2407 为核心，设计、开发了一套基于 DSP 的矢量控制变频调速实验平台。

By comparing traditional starting method of a motor,that is direct starting full voltage and reduction voltage to soft starting and analysing for them,this paper points to outstanding performance of soft starting technology in modern motor control.It is a new kind of technology to replace previous traditional starting method and has wide application in production and daily life.

通过对电动机的传统启动方式：全压直接启动、降压启动的简介及软启动技术的分析和对比，提出了软启动技术在现代电机控制中具有的卓越性能，它是替代以往传统启动方式的一项新技术，在工业生产和生活中有着极为广阔的应用前途。

This will benefit a wide range of applications; motor control algorithms can be improved to allow the motor to run more silently or consuming less energy, sensor data can be filtered or analyzed to suppress noise and capture more useful information, and audio data can be processed without loss of fidelity. The 32-bit AVR UC3 Floating Point Unit is compliant with the widely accepted IEEE 754 standard. This ensures compatibility with a wide range of existing math libraries and application code.

这种技术有利于多种应用：对于电机控制应用，可以改善算法，让电机运行更安静或耗电更少；对于传感器应用，可过滤或分析数据，抑制噪声并撷取更多有用信息；对于音讯应用，可处理声音数据而不会失真。32位的AVR UC3 浮点单元与广泛被接受的IEEE 754标准兼容，可确保与现有的多种算法软件库和应用程序代码的兼容性。

AC Induction Motor Control Using the constant V/f Principle and a Natural PWM Algorithm (12 pages, revision A, updated 12/05) Induction motors can only run at their rated speed when they are connected to the main power supply. This is the reason why variable frequency drives are needed to vary the rotor speed of an induction motor.

使用V/F原理的交流电机控制和简单的PWM算法（12页，修订版A，更新时间：05年12月）交流电机在连接到电源时只能以其额定速度运转，所以要改变转速必须改变电源频率。

The boost converter is a voltage step-up and current step-down converter .the current source is synthesized from a DC voltage source by adding a large value inductor in series .in DC regulated power supply applications ,the voltage sink represents a large value capacitor in parallel with the load resistance .in the application of the DC motor control ,the voltage sink represents the back emf of the DC motor .the switching action produces a pulsating current .the capacitive filter smoothens the pulsating current and provides a DC voltage to the load

升压转换器是一个升压和降流的转换器。电流源是一个直流电压源添加一个大值电感串联合成的。在直流稳压电源的应用，电压降代表一个大值电容并联一个负载电阻。在直流电机的控制应用中，电压降代表反电动势的直流电机。转换行为产生一个脉动电流。一个滤波电容是这个脉动电流平和并且提供直流的电压负荷。

In order to improve precision and flexiblity, reduce power consumption and volume of motor control, QuartusII software was adopted to develop a three-phase stepping motor controller based on FPGA.

为提高电机控制的精确度和灵活度，并减小其功耗与体积，用QuartusII软件开发了一种基于FPGA的三相步进电机控制器。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。