查询词典 motor control

Since DTC has been developed for nearly 20 years as a AC drive technology, it has become the most popular technology in the field of AC drive for its advantages of direct control, short adjusting time and unsensitive with the motor parameters.

而在电机控制技术方面，直接转矩控制作为近年来新发展起来的一种电机控制方法，已显示巨大的优越性，具有控制思想直接、反应快速、受电机参数影响小的优点，成为目前研究的热点。

This article introduced the manipulator, it outputs four groups by PLC to actuate the abscissa axis, the z-axis, the chassis rotation, hand-rotating motor separately, and controls the manipulator abscissa axis and the z-axis pint pointing, the micro switch bequeaths the position signal to the PLC main engine; The electrical machinery drives the hand fingernail and the chassis revolve; The solenoid valve controls air valve the switch to control the manipulator hand fingernail to gather, then realizes the manipulator proper motion function.

本文介绍的机械手是由PLC输出四路来分别驱动横轴、竖轴、底盘转动、手转动电机，控制机械手横轴和竖轴的精确定位，微动开关将位置信号传给PLC主机；电机拖动手爪和底盘旋转；电磁阀控制气阀的开关来控制机械手手爪的张合，从而实现机械手精确运动的功能。

All functions of the placing boom ,the concerte pumu and the drive motor can be carried out by means of an electric cable remotecontrol or interchangeably ,via radio control .in the case of possible failure of the remotecontrol ,one can run the equipment by means of direct manual operation from the vehicle ;the controls are arranged for this purpose .the unit can be cleaned easily and quickly .the accessory equipment , the chamber valve ,solves the promble of residual concrete in the concerte pump .we have thought of all those things that are so important for daily use of the pump ,such as the large lockable compartment for tools and accessorise ,the C-type connection for filling up water ,work searchlights ,operator's cab ,wooden chocks .

的所有功能将蓬勃发展，对混凝土pumu和驱动马达可以进行通过一个电缆remotecontrol或互换，通过无线电控制。在可能的情况下失败的remotecontrol ，人们可以在设备运行的方式直接手动操作的车辆；控件安排用于这一目的。单位易于清理迅速。辅助设备，分庭阀，解决了promble残余混凝土在混凝土泵。我们认为所有这些事情这是非常重要的日常使用的泵，如大型上锁室的工具和配饰， C型方面填补了水，工作探照灯，运营了驾驶室，木制

The measured work piece is circumrotated automatically by control motor, and the value of the surface roughness is detected and processed with computer in real time.

利用控制电机自动旋转被测件，通过计算机实现数据实时采集、处理及结果显示，详细介绍了该方法的检测原理和实施途径。

The energy consumption analysis and experiment of the two systems, which are pump-control-motor speed governing system with inverter and hydraulic speed governing system with inlet throttle, are made. Some useful conclusions are obtained. New clews are provided to enhance the total efficiency of hydraulic speed governing system with inverter.

5对变频泵控马达调速系统和进口节流阀控马达调速系统进行了能耗分析和对比实验研究，得到了有益结论，为进一步提高变频泵控马达调速系统的节能效果提供了新思路。

Second,it's hard to real-time monitor and control the armature AC current.Therefor,a new generation of BLDCM should be put forward in this paper,that is an electronic commutated motor with the ideal DC armature winding circuit.

提出了新一代BLDCM的设想，即具有理想直流电枢绕组电路的电子换向电动机，并对其旋转磁场-机械特性和转矩控制性方式进行了分析，有助于对其本质的理解。

Secondly, based on the function analysis of EV test bench, using the modular design idea, this dissertation compartmentalizes the functional module of EV test bench, and analyzes the essentially comprising of the modules such as driving module, power take off module, inertia simulation module, load simulation module, main control module and power supply module. Especially introduces selection principles of driving motor of power take off module.

其次，在对电动汽车试验台功能进行分析的基础上，采用模块化设计的思想对电动汽车试验台的功能模块进行了划分，并就驾驶引导模块、动力输出模块、惯量模拟模块、负载加载模块、试验台主控模块和电源模块的基本组成进行了深入分析，并在动力输出模块部分着重介绍了驱动电机的选择原则。

A new decoupled induction motor model is introduced for enhancing the robustness of control.

摘要为了提高感应电动机控制的鲁棒性，提出了一种新颖的感应电动机解耦模型。

The design of the equipment deports two AT98C51 to control the rotating location for stepping motor.

为了保证步进电机定位的精度与速度，采用双单片机AT89C51对步进电机闭环定位的进行控制。

It is a joint venture that deputizes world famous brands in integrated railway transportation facility field. It not only sells facilities, test equipments, industrial controlling products, servo motor and digital control systems, but also undertakes all kinds of systems engineering for industrial automation, subway locomotive equipment and the reconstruction projects, and supplies high and new advanced technological services.

是以代理销售国际知名品牌轨道交通成套设备、测试及试验设备、工控产品、伺服电机及数字驱动控制系统，承接各类工业自动化系统工程、地铁机车设备及改造项目为主，并提供高新技术服务的国内合资企业。

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。