电机驱动的

This paper mainly discusses the machine in the process of technological transformation of the transmission device, the motor-driven choice, The choice of ball screw relevant aspects of the analysis, demonstration, the adoption and application of a series of process.

本文主要论述了该机床在技术改造过程中对传动装置，驱动电机的选择，滚珠丝杠的选择等相关方面的分析，论证，采纳与运用的一系列过程。

Precise Motor and special rail is installed for moving of squeegee. Side Frame Up/Down is controlled by inverter, so no vibration and swing.

刮板的驱动采用精密电机和特殊轨道的方式，减小了噪音，用变频器来控制Side Frame的上下移动方式，减小了振动。

Oslash; Precise Motor and special rail is installed for moving of squeegee. Side Frame Up/Down is controlled by inverter, so no vibration and swing.

Oslash；刮板的驱动采用精密电机和特殊轨道的方式，减小了噪音，用变频器来控制Side Frame的上下移动方式，减小了振动。

To high-precision ring permanent magnet torque motor servo system used in direct drive numerical control rotary table with the request of smooth operation at low speed, the precision is mainly restricted by cogging torque.

中文摘要：对于要求在低速下能够平稳运行的高精度直接驱动数控转台用环形永磁力矩电机伺服系统，它的定位精度主要受到以齿槽转矩为主的扰动力矩的影响。

For the characteristic of ring permanent magnet torque motor used in direct drive numerical control round table suffering from the effect of load disturbances and parameter variations, the H∞ controller design methodology without the orthogonality assumptions is combined with m-K iteration in m synthesis to design a m-H∞ speed controller in this paper.

针对直接驱动数控转台用环形永磁力矩电机易受负载扰动及参数变化影响的特点，将去除正交性假设的H∞控制器设计方法与m综合中的m-K迭代法相结合，设计了一个m-H∞速度控制器。

For the characteristic of the ring permanent magnet torque motor used in direct drive numerical control round table suffering from the effect of load disturbances and parameters variations, a multi-objective mixed H2/H∞ static output feedback controller, which makes all poles of the closed-loop system be located within a prescribed linear matrix inequality region D to achieve pole placement, is designed based on LMI.

针对直接驱动数控转台用环形永磁力矩电机易受负载扰动及自身参数变化影响的特点，文中基于线性矩阵不等式(linear matrix inequality， LMI)，设计了一个多目标混合H2/H￥静态输出反馈控制器，该控制器可使闭环系统的极点均落在预先选定的线性矩阵不等式区域D内来实现极点配置。

Through the analyse to the stator and rotor strength and oval locomotion orbit confirm the surface of the round ring driving the stator rub.

通过对电机定、转子的受力分析，以及椭圆轨迹的分析确定了圆环定子的驱动摩擦面。

This design firstly fixed ondesign scheme and selected basic components, and besides, developedthe reliability analysis of transmission system. The design ofMG300/701-WD Shearer's cutting unit. It is made up of a gearbox andmoderate breeze gear wheel transmission that the MG300/701-WD typemining machine cuts the cutting department, Cut the electricalmachinery of cutting department and put to fix up horizontally inthe rocker arm, The power that the motor outputs leans on a roundof transmission of department of gear wheel and planet round viathe tertiary straight tooth, Urge the cylinder to rotate finally.

本文首先确定了设计方案和选择了基本部件并开展了传动系统的可靠性分析，MG300/701-WD型采煤机截割部主要是由一个减速箱和四级齿轮传动组成，截割部电机放在摇臂内横向布置，电动机输出的动力经由三级直齿圆拄齿轮和行星轮系的传动，最后驱动滚筒旋转。

Based on the project funded by Zhejiang Province Technology Foundation—"Development of Shoe Last CAD/CAM System and Shoe-last Carving Machine", the application design of shoe last NC system was carried on. Based on idea of modern design of open NC system, used general industry control person computer as hardware , domestic GT-400-SV multi-axis movement control card as control kernel, digital AC servo motor as driving components, the hardware platform of shoe last manufacturing were composed.

本论文以浙江省重大科技攻关项目"鞋楦CAD/CAM系统及数控刻楦机研制"为背景，针对鞋楦加工控制的特殊性，结合现代开放式的数控系统的设计理念，构建了以工业PC机为支撑平台、以国产GT-400-SV多轴运动控制卡为核心、以交流伺服电机作为驱动原件的数控系统。

With an adjustable crank pin to control the length of stroke.As the bull gear rotates,the rocker arm is

惠氏机构的电机转动重载齿轮，驱动一个带有可调整销钉的曲柄以便控制进、回程的长度。

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。