科技论文太阳能电池板照射角自动跟踪系统文档格式.docx
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科技论文太阳能电池板照射角自动跟踪系统文档格式.docx
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系别
专业
班级
学生姓名
学号
指导教师
2012年月
Solarpanelsilluminateangleautomatictrackingsystem
Withtheconventinuousconsumptionofresources,theconventionalenengy-basedenergtstrcucturehasnotalreadymoreandmoreadapttotheneedsforsustainabledevelopment,sppeing-upthedevelopmentofandutilizationofsolarenergy,thephotovoltaictechnologybasedonthephotovoltaiceffecthasaverybordapplicationprospect.
Inthedesign,wetrytodesignanautomatictrackingsystemwithBiaxialinordertoenhancesolarlight-electricityconversionefficiency.Thesystemisbasedonsingle-chip,orbitthesunelevationangleformulausingthesunandcalculatingazimuthandtakethetimechipadvantageofdual-axissteppermotordriventrackingsystem,makethesolarpanelsperpendiculartothesolarincidenceline,toimprovetheabsorptionefficiencyofsolarenergy.
Atpresent,thedesignofasimpleformulawasonlyforcalculatingthedata,theeast-westtothepointofviewwillbechangedonceanhour,thenorth-outhperspectivewillbechangedonceaday,andthentheMCUtoreturntocontrolthingsthroughthenighttodetermine,aswellaseveryhaifayeartotrackthedirectionofthenorth-southchangeincontrol.
Becauseofthetimeandthecurrentlimitationsoftheknowledgeoftheauthor’s,thetrackingsystemtotrackthepointofviewisrough,therearemanyerrors,iftheopportunityarisedthedesignwillbeiomprovedinthefuture.
1.theenergyandenvironmentalprotection
WiththeadvanceofTheTimes,thehumansocietyandtheeconomicdevelopmentspeedincrease,butatthesametimethehumansocietytheburdenandtheresponsibilityalsowillincrease.Energyisthenationaleconomyandsocialdevelopmentfoundation,thefasterthesocialandeconomicdevelopment,humandemandforenergyandtheuseofenergyarelikelytocausemajorwhenenvironmentaldamage.Atpresenttheworld'
sprimaryenergyisabsorbedbysolarplantsbyonehundredmillionyearsofevolutionandthefossilenergyaccumulationformation,suchascoal,oil,naturalgas,etc.Itisforthesereasons,theworldismoreandmoreseriousenergyproblem,lieinthefollowingaspects:
(1)Theenergyshortage
(2)Environmentalpollution
(3)Thegreenhouseeffect
2.thecharacteristicsofthesolarenergy
Thesunisahugeenergy,thingsgrowallwanttodependonthesunontheearth,mostoftheenergyitallboilsdowntoisfromthesun.Coalandoilareancienttimesbyanimalsorplantsofsolarenergystoragedown.Thepeopleoftheworldinvariouskindsofenergyusedasumofalsoonlyreachthesurfaceoftheearthsolartensofthousandsof,sousesolarenergypotentialisverybig.Incontrast,increasinglyexhaustedfossilenergy,itseemstobethefuturesocietysolarenergyinthehope.
Solarradiationandcoal,oil,comparedtonuclearpower.Hasthefollowingadvantages:
(1)Long-termminingandsm.
Solarenergyisamineofrenewableenergy,canusetheenergygiant.Thesunradiationofthetotalradiationenergyisabout3.75X1021kW,great.Onetoreachtheearth'
senergyashighas1.73X1011kW,throughtheearth'
satmospherereachestheearth'
ssurfaceisabout8.1X1013kWradiantenergy.Inreachestheearth'
ssurfaceofradiantenergy,reachtheearth'
slandsurfaceofradiantenergyisabout1.7X1013kW,equivalenttothewholeworldayearofenergyconsumptionofthetotalenergyproducedmorethanthirty-fivethousandtimes.Thesun'
slifewere4billionyearsatleast,relativetothehumanhistoryfor,thesuncancontinuoussupplyofearth'
senergyresourcescantimeisinfinite.Relativetothelimitationoftheconventionalenergy,solarenergyhasreserves"
limitless"
{inexhaustible}.Thisdeterminesthedevelopmentandutilizationofsolarenergywillbethehumanitytosolvethelackofconventionalenergysourcesanddryupthemosteffectiveway.
(2)Theuniversalityofexistence
Althoughbecauseofthedifferentclimaticconditions,latitudeofthedifferenceofthesolarradiationunevenbutrelativetootherenergyfor,thesolarenergyforearthmostareashavetheuniversalityofexistence,butinsitutotake.Thisisthelackofconventionalenergysourcesofcountriesandregionssolvetheenergyproblemprovidesprospects.
(3)Usecleansex
Solarenergylikewind,wavepower,andothercleanenergy,itsdevelopmentanduseofalmostdon'
tproduceanypollution,togetherwithitsreservespossibility,isthehumanidealalternativeenergysources.
(4)Useefficiency
Canseefromtwoaspectsofsolarenergyefficiency.Oneisinexhaustiblesolarenergy,aninexhaustible,andinreceivingthesolarenergywithoutimposeany"
tax"
cantakeanywhere;
Second,inthecurrenttechnologydevelopmentlevel,someofsol
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