数控技术应用专业英语 教学课件 ppt 作者 刘小芹ppt Lesson+7.ppt

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1、Lesson7Robot机器人SectionIWordsandPhrasesSectionIITextandTranslationSectionIIIExercises词英汉练EndNextSectionIWordsandPhrasesTopicAboveNextEndSectionIWordsandPhrasesTopicAboveNextEndSectionIITextWeapplaudtheheroismofrobotatthemovies,amazingtherobotinRobotFootballMatch.Butwhatisarobot?Herewecancarryonadi

2、scussaboutrobots.Howcanyoudescribearobotinyoureyes?TopicAboveNext汉EndSectionIITextInfact,arobotisbasicallyahighlyautomatedmachinethatiscreatedtoduplicateoneormorephysicalcapabilitiesofaperson1.Itismoreapttobejustamechanizedarmwithametalgripperattheendthatforms“ahand”.Withthathand,robotcanperformm

3、anydifferenttasks.Whatisthedifferencebetweenrobotandhuman?TopicAboveNext汉EndSectionIITextAtinymicroprocessorcapableoffittingonasiliconchipthesizeofapeamakesuptherobot’s“brain”2.Afewsiliconchipsareplacedontwoorthreeprintedcircuitboardstoprovidetheinputandmemorybankfunctions.Whilepluggedintoanelect

4、ricaloutlet,thisassemblyofmicroprocessors,muchlikethehumanbrain,transmitselectricalimpulsesalongpathwaywhichrunfromthecomputeritselfdowntherobot’sarmandintoitshand.Inhumans,thesepathwaysarethenervefibers;inrobots,theyareelectricalcables.TopicAboveNext汉EndSectionIITextAlargenumberoftheworld’sindus

5、trialrobotsarebeingusedbytheautomobileindustrywithelectronicsfirms.Whiletherobotisinitiallyquiteexpensivetobuy,itquicklypaysforitselfbecauseatcertainjobsitcanworkfasterandbetterthanahuman,thusboostingproductivityandloweringproductioncosts3.Robotsarealsoeasilyreprogrammedandcanbetaughttodonewjobin

6、justafewminutes.TopicAboveNext汉EndRobotsareparticularlysuitablewhere:Humanwouldbeatsignificantrisk,e.g.spaceexploration.Economicallybettertohaverobots-wherethetaskismenialandrepetitive,andaccuracyisneeded,e.g.productionlines.Humanitarianusewherethereisgreatrisk,e.g.searchandrescueindisasterzones.

7、TopicAboveNext汉EndSectionIITextAlthoughrobotsusuallyneedpeopletoprogram,operateandrepairthem,theyarealsogetting“smart”.Robotsarelearningto“see”and“feel”thingsandthenfeedbacktotheircomputerbrainwiththeirelectricalsendin