电机驱动的

The first process is to optimize the geometric parameters of the press, on the assumption that the servomotor rotates at a constant angular velocity equal to that of the constant velocity motor. The second process is to optimize the displacement trajectory of the servomotor based on the results of the first process while keeping the geometric parameter unchangeable.

然后，建立了混合驱动压力机的优化设计模型，并将优化分为两步：第一步，假定伺服电机角速度与常规电机相同的条件下，优化设计出压力机的尺寸参数；第二步，在第一步优化结果的基础上，使机构的尺寸参数不变，优化设计伺服输入运动规律。

General Statistics Weight : 2.5 tons Driving : 6-axle electric driving system Main components : Crew chamber for commander and gunner, Image generation system, Instructor room, and Waiting room Training Scope :- Total display system for driver - Automatic fire distinguisher - Comprehensive A/C system - CTIS application

重量： 2.5吨驾驶： 6轴电机驱动系统主要部分组成：乘员室为指挥员和炮手，图像生成系统，指导员室，等候室培训范围：-共计显示系统的驱动程序-自动消防d istinguisher -综合的A / C系统-C TIS应用

In this paper,a novel wire feeding system composed of special motor driver circuit with high frequency and print motor with low inertia was designed,and the performance test were carried out.

采用特制的高频可逆调速电机驱动电路配合低惯量的印刷电机，研制了一种适用于GMAW焊接电源的新型可逆调速送丝系统。

The USB bus technology is applied to monochromator embedded control system to improve the au- tomatization of control, real-time performance and the speed of spectrum scan.

设计的双光栅单色仪驱动系统，采用高精度细分的步进电机驱动蜗轮蜗杆方式，提高了光谱扫描范围及精度。

This system uses the deuterium lamp as its blazed lamp-house, and makes mechanical turnplate in use of modulating light signal with two frequencies, which is drived by in-phase electromotor with constant velocity. A potomultiplier tube is used to conversion optical signal to electric signal. Using Lock-In Amplifiers to realize magnifying the metrical signal using difference method with two different frequencies. We also analyze its principle of each part of the apparatus and design the realization circuits of each part. The data analysis and the in-phase electromotor control circuits are fulfilled by SCM; the single chip control systems hardware interface and software design are given.

该系统的光路部分使用氘灯作为激发光源，用同步电机恒速驱动的机械盘调制出双频光信号，利用一个光电倍增管进行光电信号转换；信号处理部分采用锁相放大器实现信号双频差分处理，分析了其各组成部分的原理，设计了各部分的具体实现电路；使用单片机进行数据差分处理和电机控制，给出了单片机控制处理系统的硬件接口电路和软件设计。

A spinning disc or an independent satellite disc, which is driven by a motor enables the head to work moveably on irregular edges of flat glass in a diameter between 700 and 2100mm, or 100 and 700mm.

它采用真空将玻璃吸附在吸盘上，配电机驱动转盘旋转或单独驱动盘上的一个独立卫星转盘旋转，使该机可加工回转直径700-2100mm或100-700mm的异形平板玻璃。

It make the control-driven system work well in a application of peristaltic pump control-driven system.

0引言在基于单片机的步进电机控制系统中，电机转速的平稳性是驱动控制的主要任务[1]。

Permanent Magnet Synchronous Motor driven by triphase sinusoidal current is studied object in this paper. The movement equtions in several coordinates are set up based on the analysis of electromagnetism restricted relation.

本文以三相正弦波驱动的永磁同步电机为研究对象，在深入分析其内在电磁约束关系的基础上，给出了不同坐标系下的运动方程，根据其数学模型，确定了电动车用电机在旋转坐标系下的矢量控制方案。

Much of the buzz at the recent ProMat 2009 trade show centered on the application of Motor Driven Roller technology as an alternative to the more conventional belt-driven systems.

在最近的Promat2009展会上，使用MDR（Motor Driven Roller电机驱动辊）取代传统的皮带驱动系统这个话题颇有些议论。

The conventional onesided travelling-wave ultrasonic motor needs bearing to support and oil to lubricate, does provide sufficiently high torque and power due to limited contact area between the stator and the rotor, consequently its application is limited.

针对传统的行波超声电机定转子接触面小、输出力矩小，需要轴承定位，存在润滑问题，设计了一种新型双锥面齿驱动的自支撑轴系行波超声电机。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。