2022年八级英语上册-单元知识点总结 .docx

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1、精品_精品资料_Manipulator i s now used a s a industri al robots i n use, the control obje ctives often appear ofte n in i ndustrial aut omation. Industrial automati on te chnol ogy has gra dually mat ured, a s mature a te chnol ogy line has been rapid devel opment i n industrial aut omation a s a se parat

2、e subje ct. Ma nipulator appli cation bega n to filter into w eldi ng, logi stics, mechani cal pr oce ssin g, and ot her industri es. Espe cially at hig h or very l ow temperat ures, full of poi sonous gase s, hig h radiati on case, r obot in similar circumstances showed great use a lso bring s grea

3、t conveni ence to the staff. Precisely because of this robot to get pe opl es attenti on began to be a high degree of development. Labor rates, w orking conditi ons, labor inte nsive aspe cts of pr omoting devel opment. Both at home a nd a broa d to develop the PLC programmable l ogic contr oller is

4、 in various special circumstances a nd under speci al conditions set for mechani cal devi ces. Now tur ned on t he devel opme nt of the mi croele ctronics automati c control technology a nd t he rapi d devel opme nt of the trains, the success of PLC har dware software and simulati on control win big

5、 and succe ssful development, now conti nues to develop as a factory a utomation standards. Beca use robot s are good devel opme nt of the te chnol ogy makes a good optimization of productive ca pital, and robot shows t his uni que a dvantages, such as: ha s good compatibil ity, wi de availabil ity,

6、 har dware is complete, and pr ogramming that ca n be mastere d in a short time, so in t he context of industrial PLC a ppl ications became ubi quit ous. Mani pulat or in many developed country agriculture a nd i ndustry has bee n applied, such a s the use of mechani cal harvesting large area s of f

7、armland, re peated operations on t he hig h-spee d line that uses a roboti c arm, and so on. oday, t he hig h level of aut omation combine d with restri ctions on the ma nipulator dev elopment level is slightly lower tha n the inter national. T he de sign is mai nly arm weldi ng machine by PLC Aut o

8、mation contr ol. Thisof design l et desig ners on in school by lear n of has a m ust of consolidati on, understand ha s some usually di dnt opportuniti es aware ness i n worl d range wit hin some lea ding level of knowl edge has ha s must aware ness, hope desig ners ca n in yi hou of design in t he

9、ca n success of using i n this desig n in the pr oce eds of experience 1.2 mani pulator i n both at home and abroa d of rese arch profile aut omation me cha nica l arm research bega n Yu 20t h ce ntury medi um-term, after years with wit h computer a nd a utomation technol ogy of devel opme nt, Makes

10、 me cha nical arm on the Grand stage of ind ustrial aut omation a nd shine, gradually be came an i ndustrial evaluati on sta ndar ds, a nd its importance ca n be seen. Now origi nal robotic arm spent most of mass pr oducti on a nd use on the producti on li ne, w hich is pr ogrammed robotic arm. As t

11、 he first generation of mani pulator position control systems main features, although not ba ck several generations that can dete ct the external e nvironment, but ca n still successfully complete like wel ding, painti ng, del ivery as well a s for materials simple moveme nts. Se cond ge neration me

12、 cha nica l arms are equipped wit h se nsors and manipulators have the e nvironment there i s a certai n amount of sense, whe n the mechanical arm is to use the program as a basis. Difference is that t he robot bega nd新目标八年级英语上册第一单元Unit 1.How often do you exercise.I. 重点短语归纳：on weekends在周末1. go to th

13、e movies去看电影2. look after=take care of照料3. surf the internet上网4. healthy lifestyle健康的生活方式5. go skateboarding去滑滑板watch TV看电视6. keep healthy=stay healthy= keep in good health保持健康keep +形容词表保持某种状态do some reading阅读7. exercise= take/do much exercise=do sports锤炼8. eating habits饮食习惯9. take more exercise做更多的

14、运动10. the same as与什么相同11. once a month一月一次12. be different from不同13. twice a week一周两次 .three times a week一周三次14. make a difference to对什么有影响As teachers, you must believe that you can make a difference to the lives of your st udents.身为老师,你们必需坚信你们能够影响同学的一生.A false step will make a great difference to m

15、y future. 错走一步对我的前程来说会产生很大影响.15. how often多久一次,询问动作发生的频率how many times多少次 ,用来提问做某事的次数16. although=though虽然Although he is old, he is quite strong. He is old, but he is quite strong.句子中,有 although 或though 就不行再用 but ,但可用 yet 或 still“仍旧,仍”.有 because 就不能再用 so.17. most of the students=most students大多数同学18

16、. shop=go shopping=do some shopping购物19. as for至于20. activity survey活动调查21. do homework做家庭作业22. do house work做家务事23. eat less meat吃更少的肉24. junk food垃圾食物manipulat or control m ode a nd programmable controller s introduction 2.1 Sel ect discussion with ma nipulator control 2.1.1 cla ssificati on of co

17、ntrol relays a nd discrete ele ctroni c cir cuit can control ol d industrial equipme nt, but also more common. Mai nly the se two rel atively cheap a nd y ou can m eet the ol d-fashioned, simpl e or simpl e industrial e qui pment. S o he can see them now, however t hese two contr ol modes relay and

18、di screte el ectronic circuits are the se fatal flaws: 1 cannot a dapt t o the complex logic control, 2 only for the curre nt project, t he la ck of compatibility a nd 3 not reforming the sy stem with e qui pment impr ovements. S pring for t he development of Chinas modern i ndustrial a utomation te

19、chnology the substantia l increase i n the l evel of industrial aut omation, com pleted t he perfect relay of the com puter too much. In terms of controlli ng the computer showed his tw o great adva ntages: 1 ea ch of the har dware can be installed on one or more mi cropr oce ssors; 2 theofficial de

20、sig ner of the software writi ng content contr ol is all a bout. Now in several ways in t he context of industrial a utomation ca n often be se en i n three ways: 1 Programmable Logical Controller referred to as IPC; 2 Distributed Control System DCS for short, and 3 the Programmable Logi cal Control

21、ler PLC for short. 2.1.2 P LC and the IPC and DCS contrast contrast 1, each of the t hree technologi es of origi ns a nd development requirement s for fast data processing makes it inve nted t he compute r. The men br oug ht in terms of har dware there, using a hig h level of standar dization, ca n

22、use m ore compatibility tools, i s a rich software re sour ces, especially t he ne ed for immedia cy in operational systems. So the com puter can effectively control i s used to control and meet its spee d, on the virtual m odel , real-time a nd i n com putational re quirement s. Distri buted system

23、 started wit h a contr ol system for industrial a utomatic i nstrume nt use d to contr ol, whereas now it is succe ssfully developed i nto industrial control computer used as a central colle ction and distri bution system and transiti on of distributed contr ol system in a nalog ue ha ndli ng, loop

24、control, ha s beg un to refle ct the use of a huge adva ntage. Thoug h distri bute d system has great a dvantages i n loop regulati on, but only as a mea ns of conti nuous process control. Optimization of PLC is t he corresponding relay needs was bor n, its main use in t he work order contr ol, earl

25、y primary is re placed relay thi s hulking system, focuse d on the switch controlling t he runni ng order of functi ons. Marked by the micr opr oce ssor i n the early 1970 of the 20t h ce ntury emerged, mi cro-electr oni cs technology has developed ra pidl y, pe ople soon micr oele ctroni cs pr oce

26、ssi ng technol ogy will be use d in t he Programm abl e Logical Contr oller that is可编辑资料 - - - 欢迎下载精品_精品资料_Manipulator i s now used a s a industri al robots i n use, the control obje ctives often appear ofte n in i ndustrial aut omation. Industrial automati on te chnol ogy has gra dually mat ured, a

27、 s mature a te chnol ogy line has been rapid devel opment i n industrial aut omation a s a se parate subje ct. Ma nipulator appli cation bega n to filter into w eldi ng, logi stics, mechani cal pr oce ssing, and ot her industri es. Espe cially at hig h or very l ow temperat ures, full of poi sonous

28、gase s, hig h radiati on case, r obot in similar circumstances showed great use a lso bring s great conveni ence to the staff. Precisely because of this robot to get pe opl es attenti on began to be a high degree of development. Labor rates, w orking conditi ons, labor inte nsive aspe cts of pr omot

29、ing devel opment. Both at home a nd a broa d to develop the PLC programmable l ogic contr oller is in various special circumstances a nd under speci al conditions set for mechani cal devi ces. Now tur ned on t he devel opme nt of the mi croele ctronics automati c control technology a nd t he rapi d

30、devel opme nt of the trains, the success of PLC har dware software and simulati on control win big and succe ssful development, now conti nues to d evelop as a factory a utomation standards. Beca use robot s are good devel opme nt of the te chnol ogy makes a good optimization of productive ca pital,

31、 and robot shows t his uni que a dvantages, such as: ha s good compatibil ity, wi de availabil ity, har dware is complete, and pr ogramming that ca n be mastere d in a short time, so in t he context of industrial PLC a ppl ications became ubi quit ous. Mani pulat or in many developed country agriculture a nd i ndustry has bee n applied, such a s the u