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1、Manipulator is now used as a industrial robots in use, the control objectives often appear often in industrial automation. Industrial automation technology has gradually matured, as mature a technology line has been rapid development in industrial automation as a separate subject. Manipulator applic
2、ation began to filter into welding, logistics, mechanical processing, and other industries. Especially at high or very low temperatures, full of poisonous gases, high radiation case, robot in similar circumstances showed great use also brings great convenience to the staff. Precisely because of this
3、 robot to get peoples attention began to be a high degree of development. Labor rates, working conditions, labor intensive aspects of promoting development. Both at home and abroad to develop the PLC (programmable logic controller) is in various special circumstances and under special conditions set
4、 for mechanical devices. Now turned on the development of the microelectronics automatic control technology and the rapid development of the trains, the success of PLC hardware software and simulation control win big and successful development, now continues to develop as a factory automation standa
5、rds. Because robots are good development of the technology makes a good optimization of productive capital, and robot shows this unique advantages, such as: has good compatibility, wide availability, hardware is complete, and programming that can be mastered in a short time, so in the context of ind
6、ustrial PLC applications became ubiquitous. Manipulator in many developed country agriculture and industry has been applied, such as the use of mechanical harvesting large areas of farmland, repeated operations on the high-speed line that uses a robotic arm, and so on. Today, the high level of autom
7、ation combined with restrictions on the manipulator development level is slightly lower than the international. The design is mainly arm welding machine by PLC Automation control. This of design let designers on in school by learn of has a must of consolidation, understand has some usually didnt opp
8、ortunities awareness in world range within some leading level of knowledge has has must awareness, hope designers can in yihou of design in the can success of using in this design in the proceeds of experience 1.2 manipulator in both at home and abroad of research profile automation mechanical arm r
9、esearch began Yu 20th century medium-term, after years with with computer and automation technology of development, Makes mechanical arm on the Grand stage of industrial automation and shine, gradually became an industrial evaluation standards, and its importance can be seen. Now original robotic ar
10、m spent most of mass production and use on the production line, which is programmed robotic arm. As the first generation of manipulator position control systems main features, although not back several generations that can detect the external environment, but can still successfully complete like wel
11、ding, painting, delivery as well as for materials simple movements. Second generation mechanical arms are equipped with sensors and manipulators have the environment there is a certain amount of sense, when the mechanical arm is to use the program as a basis. Difference is that the robot begand2013人
12、教版高中物理选修3-2全套学案目 录物理选修3-2学案41划时代的发现物理选修3-2学案42探究电磁感应的产生条件物理选修3-2学案43法拉电磁感应定律物理选修3-2学案44楞次定律物理选修3-2学案45感生电动势动生电动势物理选修3-2学案46互感和自感物理选修3-2学案51交变电流物理选修3-2学案52 描述交变电流的物理量物理选修3-2学案53电感和电容对交变电流的影响物理选修3-2学案54变压器物理选修3-2学案55电能的输送物理选修3-2学案61传感器及其工作原理物理选修3-2学案62传感器的应用一物理选修3-2学案63传感器的应用二第一节 划时代的发现第1课时一学习目标1知道与电流
13、磁效应和电磁感应现象的发现相关的物理学史2知道电磁感应感应电流的定义3领悟科学探究中提出问题观察实验分析论证归纳总结等要素在研究问题时的重要性4领会科学家对自然现象自然规律的某些猜想在科学发现中的重要性二学习重点难点学习重点知道与电流磁效应和电磁感应现象的发现相关的物理学史领悟科学探究的方法和艰难历程培养不怕失败勇敢面对挫折的坚强意志学习难点领悟科学探究的方法和艰难历程培养不怕失败勇敢面对挫折的坚强意志三自主学习 一 奥斯特梦圆电生磁-电流的磁效应阅读教材有关奥斯特发现电流磁效应的内容思考并回答以下问题1是什么信念激励奥斯特寻找电与磁的联系的在这之前科学研究领域存在怎样的历史背景2奥斯特的研究
14、是一帆风顺的吗奥斯特面对失败是怎样做的3奥斯特发现电流磁效应的过程是怎样的用学过的知识如何解释4电流磁效应的发现有何意义谈谈自己的感受 二 法拉第心系磁生电-电磁感应现象阅读教材有关法拉第发现电磁感应的内容思考并回答以下问题1奥斯特发现电流磁效应引发了怎样的哲学思考法拉第持怎样的观点2法拉第的研究是一帆风顺的吗法拉第面对失败是怎样做的3法拉第做了大量实验都是以失败告终失败的原因是什么4法拉第经历了多次失败后终于发现了电磁感应现象他发现电磁感应现象的具体的过程是怎样的之后他又做了大量的实验都取得了成功他认为成功的秘诀是什么5从法拉第探索电磁感应现象的历程中你学到了什么谈谈自己的体会三实例探究1有
15、关物理学史的知识例1发电的基本原理是电磁感应发现电磁感应现象的科学家是 A安培 B赫兹C法拉第 D麦克斯韦 例2发现电流磁效应现象的科学家是_发现通电导线在磁场中受力规律的科学家是_发现电磁感应现象的科学家是_发现电荷间相互作用力规律的的科学家是_2对概念的理解和对物理现象的认识例3下列现象中属于电磁感应现象的是 A磁场对电流产生力的作用B变化的磁场使闭合电路中产生电流C插在通电螺线管中的软铁棒被磁化D电流周围产生磁场第一节 划时代的发现第2课时学习目标知道电磁感应感应电流的定义学习重点熟记基本知识点掌握基础题型四达标演练1奥斯特实验要有明显的效果通电导线必须_放置21831年8月29日_发现了电磁现象把两个线圈绕在同一个铁环上一个绕圈接到_另一个线圈接入_在给一个线圈_或_的瞬间发现了另一个线圈中也出现了_3如图所示虚线框内有匀强磁场大环和小环是垂直于磁场放置的两个圆环分别用1和2表示穿过大小两环的磁通量则有 A1 2 B1 2 C1 2 D无法确定
