查询词典 motor control

A control system of bearingless induction motor based on torque winding air gap field oriented vector control is accomplished.

实现了一种基于转矩绕组气隙磁场定向控制的无轴承异步电机控制系统。

Direct torque control is the most excellent control technology for induction-motor at moment. Digital signal processor with high speed arithmetic and logic operation is the base for its digital realization.

直接转矩控制技术是目前最为优良的交流电机控制技术，数字信号处理器的高速运算和实时处理功能为直接转矩控制技术的数字化提供了基础。

Digital signal processor with high speed arithmetic and logic operation is the base for its digital realization. In this paper, it introduces the principle of direct torque control and the character of TMS320LF2407 digital signal processor. At the same time, it gives the software and hardware design of direct torque control system for asynchronous-motor based on the TMS320LF2407 DSP.

本文介绍了直接转矩控制的基本原理及TMS320LF2407 DSP的特点，给出了以TMS320LF2407 DSP为核心的异步电动机直接转矩控制系统的设计方案及软硬件的实现，同时对直接转矩控制系统进行了实验和仿真，验证了直接转矩控制技术的优良性能。

In the asynchronous motor vector control system, the closed-loop control of speed is essential.

在感应电机矢量控制系统中，转速的闭环控制环节是必不可少的。

Host controller and multiple-site controller using asynchronous serial communication, or "soft-serial" in accordance with the "communication protocols" to achieve branch communications, computer controlled multi-component of "Distributed Control" system, according to three Flop flip side of the control sub-drive motor, to achieve large-scale three sides of the sign face will be over the screen, time, optional flip way, the sign face of an error "automatic error correction flip" and drive the requirements.

主控制器和多个现场控制器之间采用异步串口通信或"软串口"按照"通信协议"实现分支通信，组成多微机联控的"集散式控制"系统。这种多微机联控系统极大地简化了控制电路的连线，简化了电气控制安装工艺与施工，在降低工程费用和后期维修费用的同时，可大幅提高控制系统工程的可靠性、稳定性、性价比。

Permanent Magnet Synchronous Motor has the advantages of high magnet density, small torque pulse, big torque-inertia ratio, high efficiency, simple construct and so on. PMSM has been applied to the occasions that requires high precision of control and high reliability far and wide, such as avigation, numerical control machine tool, radar and some military weapons follow systems, robot and so on. In addition, it plays an important part in Ac motors in modern times.

交流永磁同步电机具有气隙磁密高、转矩脉动小、转矩/惯量比大、效率高、结构简单等优点，在要求高控制精度和高可靠性的场合，如航空航天、数控机床、雷达与各种军用武器跟随系统以及机器人等方面获得了广泛的应用，在现代交流电机中也占有举足轻重的地位。

The thesis first probably explains BrushLess Direct Current Motor, and discusses the related control methods, explains the background and Meaning of back electromotive force which is used in the thesis.Then the thesis expounds the basic component parts,the basic running principle,the running characteristic and transfer function of the BLDCM.And then the thesis detailedly dissertates its research pivot: the simulation of BLDCM system in MATLAB based on the method of Back-EMF and the control system of Digital Signal Processor based on the method of Back-EMF.

本文首先对无刷直流电机进行了概述，并对其相关控制方法进行了讨论，说明本文所采用反电动势法的背景和意义；接着论述了无刷直流电机基本组成环节、基本工作原理、运行特性和传递函数，然后是详述本文研究的重点：基于反电动势法的MATLAB调速系统的仿真以及基于反电动势法的DSP控制系统的实现。

THSC Series Cutter has 1400,1700,1900,2100,2600,2800,3000,3500 type models, control system uses a PLC system in Japan and West Germany, servo motor design concept, so that the length of paper cutting, Caltrop the Founder , tension control and count the number of sheets of man-machine interface can be directly imported and auto-shutdown has the function of design, can also show the speed, the number of job Bohm device perspective, the total number of sheets, such as cutting off the data, as well as operation of failure showed that contribute to the maintenance work carried out machines.

THSC系列切纸机有1400、1700、1900、2100、2600、2800、3000、3500型等机种，控制系统采用日本PLC系统及西德伺服电机设计理念，使纸张裁切的长度、菱角的方正、张力的控制及张数的计数可透过人机界面直接输入，并有自动停机的功能设计，此外还可显示速度、令数、反曲器之工作角度、总切断张数等数据，以及运转故障之显示，有助于机器维护工作的进行。

On the subject of the composition and working principle of the proposed system, the control module, motor diffluence module and distribution module of hydraulic system, position detecting module and PLC control module of electric system are analyzed and designed.

针对该系统的组成和工作原理，具体分析设计了液压同步控制系统的控制阀组、马达分流模块、配油模块；电气同步控制系统的位置测量模块、 PLC 控制模块等。

Beginning from the electromotor common control theory, this paper discuss basic concept of AC motor with vector control.

以电动机统一控制理论为切入点，论述了交流电动机矢量控制基本概念。

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。