电机的

The company independently developed YQ series of water resistance starter cabinet, GCBK capacitive electric starter motor soft start counter and cabinets, starting current due to small, start-up speed, high power factor, and its performance over conventional frequency counter-min variable resistance starter , anti-electric starter cabinets and counters autotransformer starter compensation, in the operation of general support of the users.

公司自主研发的YQ系列的水电阻起动柜，GCBK电容式电机起动柜及电机软起动柜，因起动电流小，起动速度快，功率因素高，其性能方面都超过常规的频敏变阻起动柜、电抗起动柜和自耦补偿起动柜，在运行中普遍得到用户的好评。

In this paper, the change of back electromotive force current with the different PWM modes are analyzed in detail on the base of BLDCM model. According to theory and experiment ,ON-PWM type restrains the peak value of back electromotive force current and brings the lest effect to the motor control system.

基于无刷直流电动机的数学模型，分析比较了不同PWM调制方式下反电势电流的变化规律，并通过理论推导和仿真实验证明了当电机系统采用ON-PWM调制方式时，能有效地抑制反电势电流的峰值且对电机控制系统造成的影响最小。

When a rotating voltage vector is injected to the motor at standstill, there is a microinching when the voltage phase is line to the direct axis of the motor. Then the current will decrease due to the back electromotive force. The initial mover position is identified by this change.

电压相位和电机直轴重合时，产生的电磁推力超过负载阻力，电机有一微动，由于反电势的作用电流就会降低，通过检测电流矢量的变化来估计动子的初始位置。

Such as burning glass electric rice cookers, electric heated glass cookers, electric Niunaibei glass, glass, electric heated rice bags, glass, such as electric ovens A diagnostic radiology, with the ray protective devices, including the limited-hole plate (4), limited-hole plate (1), servo motor, with the upper limit switch (3), limit switch (7), and so on, installed in the activities Bed-shading of the ball before relying on the upper and lower limit switch servo motor control circuits and chain control, automatic transform limited-hole plate position, perspective and point of excess-ray films blocked so that patients and doctors have been reliable protection .

诸如玻璃电热烧锅、玻璃电热暖锅，玻璃电热牛奶杯、玻璃电热恒温电饭包、玻璃电热烤炉等一种放射线诊断时用的射线防护装置，包括方孔限光板（4）、圆孔限光板（1）、伺服电机、上限位开关（3）、下限位开关（7）等，装设在活动床球管遮光器前，依靠伺服电机上下限位开关及控制电路进行连锁控制，自动变换圆孔限光板的位置，将透视和点片时的多余射线遮挡住，使患者和医生都得到可靠的防护。

In view of the fact that the complicated power electronic and electric machine system has multiple nonlineerand simulating tests are difficult and costly, the paper analyzes the configuration of the complicated power electronic and electric machine system, studies the model and simulation methods of each section and according to its section complexity, proposes the method of the modeling and simulation method of modeling separately and simulating connectedly to combine the circuit simulation method with the system simulation method.

针对复杂的电力电子电机系统通常具有多个非线性环节，且实验模拟测试困难费用昂贵等问题，采用仿真方法，通过分析复杂电力电子电机系统的结构，并根据其结构特点，研究了其各组成部分的建模与仿真方法，提出了根据各子系统复杂程度单独建模、再从系统角度把电路仿真和系统仿真结合起来联合仿真的仿真研究方法。

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。

With experience gained from the Finite Element method, a quasi-linear model based on the Magnetic Equivalent Circuit method has been used to obtain the static torque of the motor. Three types of magnetic tubes are employed in the model, and through the exchange principle of magnetic lines of force and magnetic equipotential line, the tube in which the flux distribution is non-uniform is applied to the model.

通过分析电机二维磁场分布和考虑电机特殊的电磁结构，提出了用三种磁通管单元来近似磁场分布，并借用磁力线和等磁位线互换的方法，将磁力线分布不均匀的磁通管引入到分析模型中，有效的处理了平动式啮合电动机中的磁场分布不均匀和磁路局部饱和，使分析模型得到简化并兼顾了求解精度。

This paper makes use of the combination of software and hardware to achieve the control of the machine. A single-chip microcomputer is used to control the stepping motors and DC motors to achieve the control of the step-advance and rotation of the falchion.

本文采用软硬件结合的方法实现对金相切割机的控制，其基本设计思路是：利用微处理器分别控制步进电机和直流电机，实现对切割机刀具的步进和旋转的控制。

HESHAN HENGFU MICRO MOTOR CO., LTD with "quality is first, customer is the highest, aim that serve the socienty, based on China and orientated to the world" as our purpose, we are always ready to provide our best service to the customers from both at home and abroad, our company is engaged in the developing and trading of the single phased series-wound motor which are widely used in the fields such as vacuum cleaners, tools and automotive products.

鹤山市恒富微型电机有限公司本着&质量第一，服务社会，立足国内，面向国际&之宗旨，竭诚为海内外用户服务，公司专业致力于开发、生产和经营系列化、多品种的电动机，广泛用于家用吸尘器、各类厨房用电器，特别是在吸尘器电机方面，公司拥有专业的设计研发人员及当今最领先的现代化制造设备。

The high speed generator which has 6 slots and uses ring type winding is manufactured, and for the generator, the preparatory temperature of stator is calculated.

高速电机体积小、功率密度大，其温升是一个需要解决的关键问题，本文针对高速电机样机(6槽，环形绕组形式)的定子结构采用热路法进行了初步的温升计算。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。