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Weifa Motorcycle Fitting CO., Ltd is an organization specialized in development and production of motorcycle fitting company with such main products as main prop stand , movable net , Chopper-sized pedal web ,fixed net thick thin center, TV card Caprona alida, pedal hook , hind pedal rubber thickness , Wu Yang generator card, Pearl River/Honda set triangle, Suzuki, Wu Yang Hualan, front-row prop stand, Jialing, Honda taximeter rack, Honda Jetta, horizontal iron assembly, 70C assembly ,a variety of trunk base panel, main prop stand of Honda/Jetta/Jialing.

卫发摩托车配件厂，是一家专业开发、生产摩托车配件的公司，主要生产：主支架、活动网、太子大小高踏网、固定网厚中薄、电机卡白彩、脚架勾、后踏胶厚薄、五羊电机卡、珠江、本田三角板、刀仔、五羊花兰、前排支架、嘉陵、本田米表架、本田捷达、横铁总成、70C总成、各种尾箱型号底板、本田、捷达、嘉陵大脚架。

The machine's control system adopts a delta DVP14SS11R and a module of DVP16SP11R (16 I/O expansion module).It Composes 40 PLC control section. It adopts a module of DVP02DA-S (2 group simulation quantity output module) to control main frequency conversion and fluctuation frequency conversion actuation. The machine also adopts a delta TP04-AS2 Text display monitor carrying on the system external input with to reel thread the data monitoring. Use plate alternating current machine driver VFD-B-P series frequency changer controlmasterdrive electrical machinery and ring board electrical machinery.

该机型整个控制系统采用了一套台达DVP14SS11R控制单元，配DVP16SP11R扩展模块（16点I/O扩展），来组成40点PLC控制部分，采用一块DVP02DA-S（2路模拟量输出模块）分别控制主变频和升降变频驱动，同时采用台达TP04-AS2文本显示屏进行系统外部输入与纺纱数据的监控，使用台达VFD-B-P系列变频器控制主传动电机和钢领板电机。

The machine's control system adopts a delta DVP14SS11R and a module of DVP16SP11R (16 I/O expansion module).It Composes 40 PLC control section. It adopts a module of DVP02DA-S (2 group simulation quantity output module) to control main frequency conversion and fluctuation frequency conversion actuation. The machine also adopts a delta TP04-AS2 Text display monitor carrying on the system external input with to reel thread the data monitoring. Use plate alternating current machine driver VFD-B-P series frequency changer control master drive electrical machinery and ring board electrical machinery.

该机型整个控制系统采用了一套台达DVP14SS11R控制单元，配DVP16SP11R扩展模块(16点I/O扩展)，来组成40点PLC控制部分，采用一块DVP02DA-S(2路模拟量输出模块)分别控制主变频和升降变频驱动，同时采用台达TP04-AS2文本显示屏进行系统外部输入与纺纱数据的监控，使用台达VFD-B-P系列变频器控制主传动电机和钢领板电机。

In this thesis, soft starter equipment realized by thyristors power transform circuit is studied. To improve equipment performance, we apply variable reactance technique to AC motor soft starter study. The high voltage AC working winding of reactance is in series with motor winding, while low voltage control winding and thyristors groupware with intelligent controller constitute close loop circuit. We adopt thyristor phase control voltage-regulator mode to control low voltage winding, then control the reactance of high voltage winding, and then arrive at the goal-control the current and voltage of motor AC to realize motor soft starting.

本文研究由晶闸管功率变换电路实现的软起动器装置，为了提高装置的性能，将可变电抗技术应用于交流电机软起动研究中，电抗器的高压交流工作绕组与电动机绕组串接，低压控制绕组与带智能控制器的晶闸管组件组成闭合回路，采用晶闸管相控方式控制低压绕组，从而控制高压绕组的阻抗，以达到对电机电流与电压的控制，最终实现电机软起动的目的。

Based on the developed iron loss of surface-mounted permanent magnet machine of Slemon and Xian Liu, the expressions of the peak and the time rate change of flux density in the teeth and the yoke are derived, considering the beveling edges of the PM. According to the basic concept of the eddy current loss, the analytic calculations of the average eddy current loss density in the teeth and the yoke are presented respectively. Hence, a calculation method for the iron losses of PM with beveling edges is presented.

在Slemon和Xian Liu表面置磁型永磁电机改进铁耗算法的基础上，分别推导了考虑磁体边缘斜角时定子齿与轭的磁通密度的幅值及其时间变化率的表达式，结合涡流损耗的基本概念，分别提出了永磁电机定子齿与轭的平均涡流损耗密度的解析计算方法，由此建立了永磁电机铁耗的解析模型。

This procedure is not only adaptable for sinuous winding,but also for si- ngle-layer concentric winding,wicklung retrogressive winding,chain winding or collective winding(q=1). It is of great importance for various types of machine windings used in household appliance.

本程序不仅适用于正弦绕组的电机，还推广到适用于单层同心式、单层交叉式、单层链式和 q=1的集中绕组型式的电机，对于经常采用各种绕组型式的家用电器的电机来说，尤其重要。

The following areas: design of transmission of the table, mainly the use of ball screws; the overall structure of the design table to understand the strengths and weaknesses, take full account of the principal contradiction, merit-based selection; control system design, its applications become more familiar with the Stepper motor-driven feed location can be accurate but the drawback is the lack of output power, so consider the source of the hydraulic motor as the driving force and the stepper motor drive system into the compound, hydraulic feeding Although it is impossible to locate, but with high output power, the two complement each other, so that accurate feed motion can be stable.

有以下几个方面：工作台的传动机构设计，主要是滚珠丝杠的运用；工作台整体结构的设计，了解优缺点，充分考虑主要矛盾，择优选取；控制系统的设计，进一步熟悉其应用步进电机驱动进给可以进行准确的定位但有个缺点就是输出力不足，所以考虑将液压电机作为动力源与步进电机驱动进给系统复合，液压进给虽然无法进行定位，但具有高输出力，二者优势互补，使进给运动可以准确稳定的进行。

The company's craft method is perfect and the technical force is abundant,not only can the high quality complete each kind of titting production the fixed-point overhaul suppler of the railroad special-puropse electrical machinery and the transformer which is inspected by the Ministry of imported from Frace,Japan,Germany,Russia and so on.

公司工艺手段完善，技术力量雄厚，不仅能高品质的完成各种配件的生产制造任务，而且能高质量的完成各种铁路专用电机及变压器的大修任务，是铁道部定点的铁路专用电机及变压器的大修供应商，特别对承接法国、日本、德国、俄罗斯等进口机车专用电机及变压器的大修，有较多的经验和较高的水平，也是国内同行业水平最高和实力最强的企业。

In this system the motion controlling centers upon regulating the speed of wire feeding and movement of lead screw in each direction.Four motors separately drive the wire-feeding tape roll and the lead screw move respectively following their directions of X, Y, Z axis. If all the motors are controlled by 89C51 directly,it will rise great difficulty for software and hardware implementation. So the suggested solution is to combine the microcomputer with stepper motor driver and control of their motion.

在本系统中运动控制的关键即送丝与各丝杠移动的调节，由四个电机分别驱动X，Y，Z轴方向的丝杠行走以及送丝操作，运动控制部分如果用89C51直接驱动各电机则在软件和硬件实现上都比较困难的，所以选用单片机与步进电机驱动器结合起来控制它们的运动。

Then basing the selective thread bar, we can select the speed reducer whose model is XB1-50 . Basing the selective harmonies waves speed reducer ,we can confirm the servo electromotor whose type is 110SZ07 . Then we can design the spindles of every component ,which conclude the spindle of between the speed reducer and electromotor axis, which is a round bond sleeve spindle and the spindle between the speed reducer and the thread bar, which is flat bond sleeve spindle , the bearing , the track whose type is roll track HJG-D25, and the collective structure of the plate.

根据给定的工作台的切削力、传动精度、行程等确定丝杠为滚珠丝杠副FC1-2004-2.5，由丝杠的尺寸及转矩，选择减速器为XB1-50型的谐波减速器，本根据谐波减速器的输入力矩尺寸及减速比，选择伺服电机为直流伺服电机110SZ07，其转速为10000rpm，然后设计元器件间的联轴器，包括减速器与电机轴间的半圆键套筒联轴器、减速器与丝杠间的平键套筒联轴器，设计轴承，导轨为HJG-D25的滚动导轨，及工作台的总体结构。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。