太阳能跟踪器中英文翻译资料

1/15外文科技资料翻译英文原文SolarTrackerTheSolarTrackerteamwasformedinthefallof2005fromfivestudentsinanMEdesignteam,andaSmartHouseliaison.Wecontinuedtheworkofaprevioussolartrackergroup.Thetaskwastodesignaprototypetrackingdevicetoalignsolarpanelsoptimallytothesunasitmovesoverthecourseoftheday.TheimplementationofsuchasystemdramaticallyincreasestheefficiencyofsolarpanelsusedtopowertheSmartHouse.Thisreportexaminestheprocessofdesigningandconstructingtheprototype,theexperiencesandproblemsencountered,andsuggestionsforcontinuingtheproject.b5E2RGbCAP1.IntroductionSolartrackingistheprocessofvaryingtheangleofsolarpanelsandcollectorstotakeadvantageofthefullamountofthesun’senergy.Thisisdonebyrotatingpanelstobeperpendiculartothesun’sangleofincidence.Initialtestsinindustrysuggestthatthisprocesscanincreasetheefficiencyofasolarpowersystembyupto50%.Giventhosegains,itisanattractivewaytoenhanceanexistingsolarpowersystem.Thegoalistobuildarigthatwillaccomplishthesolartrackingandrealizethemaximumincreaseinefficiency.Theultimategoalisthattheprojectwillbecosteffective–thatis,thegainsreceivedbyincreasedefficiencywillmorethanoffsettheonetimecostofdevelopingtherigovertime.Inadditiontothefunctionalgoals,theSmartHousesetforththeotherfollowinggoalsforourproject:itmustnotdrawexternalpower(self-sustaining,itmustbeaestheticallypleasing,anditmustbeweatherproof.p1EanqFDPwThedesignofoursolartrackerconsistsofthreecomponents:theframe,thesensor,andthedrivesystem.Eachwascarefullyreviewedandtested,institutingchangesandimprovementsalongthedesignprocess.Theframeforthetrackerisanaluminumprismaticframesuppliedbytheprevioussolartrackinggroup.Itutilizesan‘A-frame’designwiththerotatingaxleinthemiddle.Attachedtothebottomofthissquarechannelaxleistheplatformwhichwillhousethemainsolarcollectingpanels.Theframeitselfisatanangletodirectthepanelstowardthesun(alongwiththeinclinationoftheroof.Itsrotationtracksthesunfromeasttowestduringtheday.DXDiTa9E3dThesensordesignforthesystemusestwosmallsolarpanelsthatlieonthesameplaneasthecollectingpanels.Thesesensorpanelshavemirrorsverticallyattachedbetweenthemsothat,unlessthemirrorfacesdonotreceiveanysun,theyareshadingoneofthepanels,whiletheotherisreceivingfullsunlight.Oursensorreliesonthisdifferenceinlight,whichresultsinalargeimpedancedifferenceacrossthepanels,todrivethemotorintheproperdirectionuntilagain,themirrorsarenot2/15seeinganysunlight,atwhichpointbothsolarpanelsonthesensorreceiveequalsunlightandnopowerdifferenceisseen.RTCrpUDGiTAfterevaluationofthepreviousdirectdrivesystemforthetracker,wedesignedabeltsystemthatwouldbeeasiertomaintaininthecaseofafailure.Ononeendoftheframeisamotorthathasthedrivepulleyattachedtoitsoutputshaft.Themotorrotatesthedrivebeltwhichthenrotatesthepulleyontheaxle.Thissystemissimpleandeasilydisassembled.Itiseasyto5PCzVD7HxAinterchangemotorsasneededforfurthertestingandalsoallowsforoptimizationofthefinalgearratioforresponseofthetracker.jLBHrnAILgAswithanydesignprocesstherewereseveralsetbackstoourprogress.Thefirstandforemostwasinclementweatherwhichdeniedusofvaluabletestingtime.Despitethesetbacks,webelievethisdesignandprototypetobeaveryvaluableproof-of-principle.Duringourtestingwehaveeliminatedmanyoftherepetitiveproblemswiththemotorandwiringsothatfutureworkontheprojectwillgomoresmoothly.Wealsohaveachievedourgoaloftrackingthesunina‘hands-off’demo.Wewereabletohavethetrackerrotateunderitsownpowertotheangleofthesunandstopwithoutanyassistance.ThiswasthemaingoalsetforthtousbytheSmartHousesowebelieveoursensedmotionprototypeforsolartrackingwillbethefoundationastheymoveforwardinthefuturedevelopmentandimplementationofthistechnologytothehouse.xHAQX74J0X2.DefiningtheProblemTheprojectwastocompletethe“REV2”designphaseofthesolartrackertobeusedontheSmartHouse.WhiletheteamwascomprisedofmembersfromtheME160seniordesigncourse,thecustomerforthisprojectwastobetheSmartHouseorganization.JeffSchwane,arepresentativefromtheSmartHouse,wasourliaisonandcommunicatedtoourgroupthedirectionSmartHouseleadershipwishedustoproceed.LDAYtRyKfEAtourfirstmeetingwithJeffandTomRose,thefollowingneedswereidentified:Zzz6ZB2Ltk1.Trackthesunduringtheday2.Usenoexternalpowersource3.Weatherproof4.Costeffectivepowergain5.Mustlookgood6.Solarpanelversatilei.e.canfitdifferenttypesofpanelsdvzfvkwMI1Withtheseneedsinhand,weconstructedaQualityFunctionDeploymentchart.ThischartcanbefoundinAppendixA.TheQFDshowedthemajorareasofconcernmighthavebeen:numberofpanels/sizeofpanels,internalpowerrequirements,motortorquerequired.rqyn14ZNXIAtourfirstmeetingwewerealsoabletosetupourgoalsforthesemester.Havingaworkingprototypecapableoftrackingthesunwastobethemaingoalfortheendofthesemester,butwesoon3/15foundthatinordertoaccomplishthis,wewouldbeforcedtoomitportionsofthedesigncriteriainhopestheywouldbeworkedoutlater.Thiswouldresultintheoptimizationofplatformspaceontherooftobeirrelevant,withourgoalbeingtohaveoneplatformtrack.Italsoledtotheassumptionthatourbasewouldnotneedtobetestedforstabilityorrequiredtobefastenedtotheroof.Withanideaofwhereweweretobegin,fromscratchwiththepossibilityofusingt