| Popis: |
Theexistingsolartrackingsensorfor2axialcontrolsystemtotracelatitudeandlongitudeismadeoffourphototransistor.Thephototransistor-makingisdifficultandit'smanufacturingismorehigh-pricedthanawideusephototransistorbecausetheyhavetothesamecharacteristicsofeachphototransistoroutputsignal.Thispaperdescribedthealgorithmforsupplementtheseweakness.Thealgorithmappliedtosignalnormalizingmethodandvectordecompositionlaw.Thedeviationsofeachawideusephototransistoroutputsignalareresolvedbysignalnormalizingmethodanditisabletomakeasolartrackingsensorusingthreephototransistorbyvectordecompositionlaw.Therefore,inthispaper,itisreducedthenumberofphototransistorthatiscomposedofsolartrackingsensorandpossibletouseawideusephototransistorbytheproposedalgorithm.Keywords:태양광추적센서(solartrackingsensor),광트랜지스터(phototransistor),신호정규화방법(signalnormalizingmethod),벡터성분분리법(vectordecompositionlaw) 1.서 론 최근화석연료인석유,석탄,기타에너지의고갈및가격상승과환경오염으로인해신재생에너지인태양광발전에대한관심이크게부각되고있는실정이다.태양광을이용한 [논문] 한국태양에너지학회 논문집JournaloftheKoreanSolarEnergySocietyVol. 32, No. 6, 2012ISSN 1598-6411http://dx.doi.org/10.7836/kses.2012.32.6.029Submitdate:2012.7.12,Judgmentdate:2012.10.28,Publicationdecidedate:2012.12.20Communicationauthor:Han,Seungwoo(swhan@kimm.re.kr) |
