查询词典 motor control

This paper introduces a digital servo control system for permanent magnet synchronous motor.

介绍了一种高性能的以永磁同步电动机为执行元件的全数字化伺服驱动器。

In constant torque region, the phase-independent direct torque control can be obtained by controlling the motor current of each phase without resort to vector transformation.

在恒功率运行时，本文采用相电流相位超前反电势的方法，利用绕组电抗电势削弱反电势来解决电流控制失效的问题，有效扩展了高速运行范围。

The plane rectangular coordinates of the motive object is converted into the length of the tow, and then changed into steps of the stepper motor to control the trace of the motive object accurately.

将物体运动坐标转换为牵引线绳的运动距离，进而转换成步进电机的步数，实现对物体运动轨迹的高精度控制。

This paper presents a position control system for BLDC motor based on TMS320LF2406. It also introduces the hardware and software design solutions for this system.

介绍了一种基于TMS320LF2406的无刷直流电机位置控制系统，简述了实现该控制系统的硬件设计方案和软件控制策略。

A novel approach to position sensorless vector control system of permanent magnet synchronous motor based on active disturbance rejection controller is presented in this paper.

利用自抗扰控制器理论，提出一种新颖的永磁同步电动机无位置传感器矢量控制系统。

L Adopt the newest PLC control system,procedures stability,chain protect is complete,motor coordination reliable,high dfficient,complete function and it can be applicable to many different pothook linking winding.

采用最新PLC控制系统，程序稳定，连锁保护完备，动作协调可靠，效率高，功能齐全，可适用于多种不同的挂钩绕线方式

Motion synchronization between tool in X direction and principal axis rotation was controlled by electronic gearbox in cam turning. And profiling mechanism could be superseded by servo tool-holder. Linear motor direct drive servo tool-holder was designed, and host-slave control system with PC and DSP was developed for the require of high-speed and realtime servo. The technical process was analyzed in cam turning. Servo tool holder with tool swinging and principal axis variable rotate speed were presented to keep constant cutting angle and speed.

将电子齿轮箱用于凸轮车削加工系统的传动，以伺服刀架取代了传统加工的靠模装置，实现了刀具X方向直线运动与机床主轴转动的同步控制；设计了直线电机直接驱动的伺服刀架及基于PC与DSP构成的上—下位机控制结构，采用DSP进行实时控制以满足高速伺服需要；对凸轮加工过程的工艺特点与恒角度、恒速度车削进行研究，提出了具有刀具摆动功能的伺服刀架与机床主轴变转速运动方案。

Permanent Magnet Synchronous Motor has the feature of strong nonlinear, coupling and parameter time-varying. The Proportional and integral part of traditional PI controller is fixed and unable to meet high precision requirements of PMSM speed control.

永磁同步电机是具有强非线性、强耦合和参数时变特性的被控对象，传统PI 控制方法作为一种线性控制其比例、积分环节的参数固定不变，不能满足永磁同步电机对高精度的要求。

Results Psychometry revealed that in PD group the scores of every tests in verbal part were significantly lower than that in control group,and the average value of performance QI was less than that of verbal IQ in PD group.There was no correlation between the course of PD with the scores of every test,whereas motor dysfunction had negative correlations with the scores of every test.The duration of education had close relation with knowledge,apperception,similarity,vocabulary and the aptitude of figure filling-in.

结果 PD组言语部分各分测验成绩均显著低于对照组；PD组操作智商的平均值低于言语智商的平均值；PD组患者病程与各分测验无相关关系，运动功能障碍与各分测验有负相关关系，受教育年限与知识、领悟、相似性、词汇、填图有密切相关关系。

The three-rotor single phase variable voltage and speed motor possess the advantages of simple control, low price, and a wide range of variable speed, particularly good condition for heat scatter in lower speed running.

三转子单相调压调速电动机具有控制简单、价格低廉、调速范围宽等优点，尤其在低速运行下有较好的散热条件。

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。