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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 people's 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 condition
4、s set 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 s
5、tandards. 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 o
6、f industrial 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
7、automation 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 didn
8、't opportunities 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 mechan
9、ical arm research 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
10、robotic arm 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 complet
11、e like welding, 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
12、 the robot begandUnit 1 How tall are you ? 第一课时温馨寄语：One is never too old to learn. 活到老学到老。学习内容：Lets start A. Lets learn Lets play学习目标：1、听、说、读、写形容词的比较级形式：taller stronger older younger 和 shorter2、能够使用句型 “Imcm tall. He/She iscm tall”来描述自己和他人的身高。3、能够用句型 “Youre taller than your brother. Im older than you
13、”进行年龄和身高的比较。4、能够用形容词的比较级来谈论自己、朋友、及他人或事物。学习重难点：1、重点：能够听、说、读、写形容词的比较级形式并会在实际情景中运用。2、难点：能够用长度或重量单位对人、物及动物进行描述。长度单位cm的完整形式，centimeter的发音也是本课时的教学难点。知识链接：1、本单元学习的是形容词性的比较级，在运用比较级的句型里，经常用到than，在和别人比较身高、体重等时，要用到tallerstrongerolderyoungershorter，体貌比较可以用公式表示：A+amisare+tallershorterolderyouner+than+B Be动词 形容词比
14、较级 “与相比较”2、160 cm 的读法one hundred and sixty-four centimeters.如果超过了1厘米，要读复数形式的发音。 学法指导： 自学（以旧引新）、小组合作、老师指导导学过程：一、自主学习：1、写出下列形容词的比较级，听录音学会单词发音。tall-_ strong-_ old-_ young-_ short-_2、写出下列比较级的反义词。taller-_younger-_shorter-_older-_3、试着翻译下列句子，并跟录音机自读。Youre taller than your brother!_Im 160 cm tall._二、合作探究：1、
15、学习五个单词，听录音，跟随老师学会发音，并在小组内学会朗读，并试记拼写。2、听录音和老师朗读，会说两个句子，并在小组之间用比较级练习说句型并在班上进行展示。Im _ cm tall .Youre _than _.三、拓展延伸：Lets play : 运用本课知识比身高、年龄，在游戏中要求用英语互相询问其他人的身高或年龄。游戏时每组可由5-8名成员组成，由一名成员发指令，其他人成员通过按指令排成一排。排得又对又快者为赢家。句型有：Line up from shorter to taller!Im taller than you .Line up from younger to older ! I
16、m older than you .四、课堂小结：本节课，我们学习了形容词性的比较级，你会运用它来说句子吗？五、家庭作业：1、调查你的好朋友及家人的具体身高。2、读背今天所学习的五个新单词和句型。六、当堂检测：1、写出下列形容词的比较级。 tall-_ strong-_ old-_ young-_ short-_2、读表格，完成句子。教师出示一张表格，请学生根据表格的内容来完成下面的任务。NameAgeHeightKate15160cmMay14158cm（1）（ ）is older than ( ). （2）（ ） is younger than ( ).（3）Kate is _ than
17、May .Unit 1 How tall are you ? 第二课时温馨寄语： No discord, no concord. 不打不成交。学习内容：Lets try , Lets talk Group work学习目标：1、能够听、说、读、写句型：How tall are you?Im 164 cm tall.Youre shorter than me .Youre 4cm taller than me.并能在实际情景中正确运用。（重点）2、能听懂Lets try 部分的录音并选出正确的选项。 3、能描述自己的年龄、身高、体重，并能与别人进行交流。（难点）知识链接：1、三位数的读法。百位与
18、十位之间要增读and,如果没有十位数，百位与个位之间的零读成and ,表示百位的百即使数字超过“1”，也要用单数形式。2、表达身高、体重、年龄等具体相差多少的公式：A+ am/is/are+数词+单位/量词+tall/shorter/older+than+B3、表达完整年龄时，完整的句型为：主语+be+数字+year(s) old . 其中years old 为岁的意思。学法指导： 自学（以旧引新）、小组合作、老师指导导学过程：一、自主学习：1、复习形容词的比较级：tall-_strong-_old-_young-_short-_2、试着读和翻译下列句子：How old are you ? _
19、How tall are you?_Im 164 cm tall._Youre shorter than me._3、认真观察Lets try的三张图片，做好听力准备。二、合作探究：1、How tall are you? Im 164cm.引导学生回答，并多加练习。 2、做完后教师出示图片问How tall are you?请学生轮流回答。在请学生问，教师回答并接着问Who is taller than you?请学生先尝试回答。教师示范操练问句，教师问学生答，男女生互问，互答，再板书How tall are you? Im 164cm. Youre shorter than me. Your
20、e 4cm taller than me. 请学生做替换练习。 3、把图片出示给学生，让他们加强练习。同桌或小组之间互相练习。4、两人小组完成Lets play。5、学生两人分角色朗读课文对话。6、教师放录音，学生跟读。7、用同样方式练习stronger younger older三、拓展延伸：1、成果展示，同桌或小组在全班同学面前表演对话，可适当增加学过的单词句型，教师给予及时评价。2、 Lets try.3、完成Group work ,并完成调查表。4、 再次跟读对话。四、课堂小结：本节课，我学会了_。五、家庭作业：1、听A Lets talk部分的录音读给同
21、伴、朋友或家长听。2、每个学生准备图片两张，会用学过的比较级单词和相关句型进行演练。六、当堂检测：1、连词成句并翻译。（1）are you tall how (?) （2）Im older than you one year (.)（3）than mine smaller are yours (?) 2、据首字母填空。（1）His arms are s_ than ours.（2）Im 2 years o_ than Li Ming .Unit 1 How tall are you ? 第三课时温馨寄语： achieve immediate victory; win instant succe
22、ss.马到成功。学习内容：A Lets read Pair work C pronunciation学习目标：1、能进一步掌握用英语表达高度、长度的方式，以及形容词比较级句型的用法。2、复习辅音/p/ /b/ /t/ /d/，学习双元音/ei/ /ai/，学会拼读由以上音素组成的音节。3、能够理解Lets read 部分的对话，并能在情景中熟练运用。学习重点：1、理解对话内容，侧重掌握高度、长度的表达方式以及形容词比较级句型的用法。学习难点：1、形容词funny比较级的构成。2、双元音的学习以及由这些音素组成的音节。知识链接：1、播放Lets chant中的歌谣,学生边打
23、节拍边说唱,复习巩固关于形容词比较级的的用法,进一步熟练掌握该句型。2、师生比赛,一起说 Lets chant中的句子，看谁说得又快又好。3、找学生表演Lets talk中的对话，可以自由改编内容。学法指导： 自学（以旧引新）、小组合作、老师指导导学过程：一、自主学习：1、预习Lets read部分的对话。找出自己不会的单词、短语和对话。2、试着完成Finish the sentences.二、合作探究：1、教师在黑板上出示 Ben 和Dad 在公园看猴子的场景。2、根据图片上的内容用英语提问。Look! There are three monkeys in the zo
24、o.Which monkey do you like? Why ? Which monkey is taller? Which monkey is thinner? Which monkey is funnier?.3、把图中的三只猴子进行详细的比较，并用英语表达出来。The brown monkey is stronger. The yellow monkey is taller.The yellow monkey is taller but the little monkey is funnier.4、让学生们听录音大致理解对话内容。5、两人一组认真阅读对话，并完成书中的练习，把不懂或不明
25、白的地方做上记号6、教师帮助学生们讲解不懂或难懂的地方，然后将正确答案在黑板上。7、教读对话，学生跟读后，四人一组，练习对话。三、拓展延伸：1、出示教学卡片并放录音，第一遍学生静听，感知这六音标的音与行，后两遍跟读。在学习中有意识的突出双元音读法，让学生们在读中自己总结字母或者字母组合的发音并学会自己拼读。2、带领学生从左到右，从上到下读书中的例词，也可以励学生找出以前所学习的更多单词来试读。3、仔细看图，辨别词形，试读音标后，然后连线。4、集体读出连线中的单词。 四、课堂小结：本节课我学会了_。五、家庭作业：1、认真阅读对话，并在练习本上书写一遍。六、当堂检测：1、阅读短文，判断正
26、误。Miss Brown: How tall are you, Mike?Mike: Im 160 cm tall.Miss Brown: Oh , Im taller than you. Im 162 cm. Whos taller than you in our class?Mike: John is taller than me. He is 163 cm.Miss Brown: How about the girls?Mike: Amy is taller than me .She is 164 cm.Miss Brown: She is so tall. But I know Liu
27、 Yun is taller. She is 166 cm.Shes the tallest girl in our class.根据短文内容判断正误，用“”或“”表示。1. Miss Brown is shorter than Mike. ( )2. Miss Brown is taller than Amy. ( )3. Liu Yun is 164 cm. She is the tallest girl in the class. ( )4.John is taller than Mike. ( ).Unit 1 How tall are you ? 第四课时温馨寄语：Man's
28、 nature at birth is good. 人之初性本善。学习内容：B、 Lets learn Lets play学习目标：1、能够听、说、认读本课时的主要单词：heavier thinner longer bigger smaller。2、能认读句型：How heavy are you ? 并做出相应的回答：Im 48kg. Im thinner than you , and shorter . 3、能够用所学形容词比较级进行简单的语言表达，并能将其运用到实际情景当中，如：My hands are bigger than yours.学习
29、重点: 掌握有关形容词比较级的单词。学习难点: 掌握新句型 How heavy are you ? 并做出相应的回答：Im 48kg. Im thinner than you , and shorter.知识链接：形容词比较级的规则变化规律1、一般形容词直接加er 如 tall-taller，short-shorter等。2、以e结尾的形容词直接加r 如 nice-nicer，late-later等。3、重读闭音节的形容词要双写词尾字母如 fat-fatter，thin-thinner等。4、以y结尾形容词要去“y”加“ier”如 heavy-heavier funny-funnier。可以用
30、口诀来记忆：原级变为比较级，通常er加上去。若是结尾辅元辅，末尾双写要牢记。辅音加y结尾时，把y变i是必须。原级若以e结尾，直接加r不后悔。学法指导： 自学（以旧引新）、小组合作、老师指导导学过程：一、自主学习：1、师生对话练习，如：T: How tall are you ? S: I am 160cm tall.T:I am 170cm tall.I am taller than you 10cm.2、学生根据实际情况模仿上面的句子汇报班内几个同学的身高。3、写出下列单词的比较级。heavy-_longer-_big-_thin-_small-_ 二、合作探究：1、教师拿出一个气球，让一学生
31、吹大，这时候说：“make it bigger,bigger,bigger，然后放气说:“smaller,smaller,samller.”2、教师拿出一段皮筋，拉长说: “longer!longer!longer!”接着慢慢放松，说: “shorter!shorter!shorter!”然后板书这几个单词。3、教室里有一个书橱，里面有好多书，可以去先搬一下教桌，很费力，就说：“heavy”,再去搬书橱，搬不动就接着说：“heavier,it is heavier than teachers desk.”并板书该单词，让学生观察这个与前几个的不同点。4、教师出示这几个单词卡，让学生比较它们的不
32、同，词卡上最好又不颜色的笔书写比较级的变化。5、放录音跟读单词。6、学生和自己的同伴自己练习，根据他们的实际情况，并让特征明显的同学上台表演。看谁做的又快又好。三、拓展延伸：1、教师先示范和一名同学，鼓励学生说出又创意的句子，如：“My ears are bigger than yours. Your hair is longer than mine.然后分组进行练习，并进行展示。四、课堂小结：本节课，我学会了_。五、家庭作业：1、抄写五个单词的比较级五遍，并背会。六、当堂检测：1、写出下列形容词的比较级。(1)thin _ (2)heavy _ (3)big_ (4)funny _ (5)l
33、ong_ (6)tall_2、写出下列比较级的反义词。thinner-_bigger-_smaller-_longer-_3、读句子，排序。( )Im 160 cm tall. Im 2cm shorter than you.( )How tall are you?( )What about you?( )Im 162 cm tall.Unit 1 How tall are you ? 第五课时温馨寄语：Modesty helps one go forward, where as conceit makes one lag behind. 虚心使人进步,骄傲使人落后。学习内容：B Lets t
34、ry Lets talk Pair work C Lets sing Good to know 学习目标：1、能听懂、会说How heavy are you ?Im 48 kg. Im thinner than you , and shorter . 并能在情景中运用。（重点）2、能通过询问完成Pair work.（难点）3、了解Good to know的单位常识，了解他们的换算关系。知识链接：复习形容词比较级的规则。学法指导： 自学（以旧引新）、小组合作、老师指导导学过程：一、自主学习：1、学生听并跟说Lets chant.2、指名读已经学习的几个单词，heavier、longer、bigg
35、er、thinner和smaller.3、预习lets try，学生听录音，填充句子。4、阅读“lets talk”，理解对话意思。二、合作探究：1、师说：The boys pencil is 15cm. How about your pencil? How long is your pencil? 学生测量自己的铅笔并回答。师再举例练习，如: How long is your English book/ Chinese book? 师接着拿着软尺并附与动作说：How long is your leg？ 叫几名学生上台测量，并板书句子： How long i
36、s your leg？ 85cm. 师接着继续量脚并说：My feet is 27cm. I wear size 35. How big is your feet? 学生明白后回答。 师板书句子并带读：How big is your feet? I wear size 2、How heavy are you？引导学生回答Im 48 kg.教师贴图片请学生将句子补充完整。3、练习后教师再问：How tall are you ？生答：Im 145cm tall.（请学生根据实际答案来回答。）4、教师找一个比较胖的学生出来，说Im thinner than you ,and taller .适当解释
37、，重复两次，帮助学生理解。5、师放对话的录音，学生跟读。学生分成两大组练习对话。三、拓展延伸：完成Lets Pair work，说说要求，然后学生互相询问找出答案，然后填入P8的表格中，指名交流。四、课堂小结：本节课，我学会了_。五、当堂检测：1、写出下列形容词的比较极。thin(比较级)_ short(比较级)_ big(比较级)_ strong(比较级)_ heavy(比较级)_ small(比较级)_2 、根据表格完成句子。NameAge HeightWeightWu Yifan10161cm48kgMike12160cm50kgAmy11162cm47kgWu Yifan is _th
38、an Mike.Mike is _ than Amy.Amy is _than Mike .Wu Yifan is _ than Amy.Amy is _ than Wu Yifan.Unit 1 How tall are you ? 第六课时温馨寄语： May all your wish come true.心想事成。学习内容：B. Lets read Match and say C. Lets check story time学习目标：1、能读懂Read and write 部分的对话，并能在情景中熟练运用。2、能够听、说、读、写对话中四会句子。3、了解Story time的故
39、事内容。学习重点：了解sperm whale 和 killer whale的区别。学习难点: 对长度、重量、大小的单位区分以及表达。学法指导： 自学（以旧引新）、小组合作、老师指导导学过程：一、自主学习：1、师生共唱Lets sing部分的歌曲。2、师放Lets check部分的录音， 学生听录音完成听音圈图的练习。3、预习“read and write”,了解短文意思，并完成短文后的练习题。二、合作探究：1、师：Today, lets get to know two kinds of whales, sperm whales and killer whales. 让学生仔细看图，然后提问：H
40、ow long are they? How heavy are they? Lets read and answer.2、学生四人一组阅读文段回答师提出的问题。3、师指着图中的Killer whale的牙齿问：How many teeth do they have, do you know ? How long is each tooth? 学生根据文段的内容回答。师接着问：How many teeth do you have?How long is each tooth?4、师再提问：What does a sperm whale eat? What does a killer whale
41、eat? What can they do ? 请学生根据课文内容回答问题。5、师放lets read的录音，学生跟读，提出不理解的单词或句子，师生一起讨论解决。6、学生完成文后填充句子的练习。三、拓展延伸：1、教师放一遍故事，请学生看着书本，然后请学生提出不懂的地方教师进行解释。四、课堂小结：本节课，我学会了_。五、当堂检测：1、按要求写单词。strong(比较级)_ bigger(原形)_ kilogram（缩略形式）_ thin（比较级）_ older（反义词）_ long （比较级）_ 2、单项选择，将正确答案的标号填入题前括号内。（ ）Im short. So I want to b
42、e_ .A. heavier B. larger C. taller D. bigger（ ）The bag is too _ . I cant carry it. A. small B. heavy C. smaller D. heavier（ ）Im 164cm. Youre 160cm. Im _ than you.A. bigger B. longer C. heavier D. taller3、阅读理解并判断对错（在题前括号内对的打“”错的打“×”）。 Look at our classroom. Its a nice big room. The windows are b
43、ig and the walls are white. We can see a big blackboard on the front wall. What colour are the desks and chairs? They are yellow. And what colour are the doors and windows? They are white, too. Can you find these red flowers on the big desk? They are for our teachers.（ ）Our classroom is big and nice
44、.（ ）The windows and the walls are yellow.（ ）There is a blackboard on the front door.（ ）The doors and windows are white.（ ）The red flowers are for the teachers.全面落实企业主体责任；持续强化“两重点一重大”、重点地区和特殊作业等重点环节监管，遏制较大以上事故，保持事故总量继续下降，推动两个行业领域安全生产形势持续稳定好转。manipulator control mode and programmable controllers introduction 2.1 Select discussion with manipulator control 2.1.1 classification of control relays and discrete electronic circuit can control old industrial equipment, but also more common. Mainly these two relatively cheap and