건물에서 태양 프로파일의 변화 특성을 고려한 블라인드 최적 제어 방안
Optimum Blind Control Considering Characteristics of Solar Profile Angle Curve
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초록
Theobjectiveofthisstudyistodeveloptheblindcontrolstrategyandmethodwhichreducenegativeeffectof incomingdaylightonvisualcomfortofoccupants,minimizepsychologicalanxietiescausedbyfrequentmotionsof ablind,andmaximizepositiveeffectofincomingdaylightbyopening/closingofablind. Inpreviousresearches onblindcontrols,majorproblem isthatthetimeintervalandamountofblindmovementdonotmeetthecontrol objectiveattheinflectedzoneofsolarprofilecurve. Toovercometheselimitationsrevealedin theprevious researches,followingtaskswereperformedinthisstudy.ⅰ)Toestablishthecontrolobjectivetoaccomplishthe goalofthisstudy.ⅱ)Todevelopthecontrolmethodsandalgorithmswhichpreventglareonthework-planeat anytimeandwhichcontrolthetimeintervalandamountofblindmovementtofollow thecontrolobjectiveat varioussolarprofileanglecurves.Thisstudyproposedthecontrolstrategyandmethodthatdefinethebasecontrol sectionimplyingtheinflectionpointwithinthecontrolobjectivezoneandsubsequently,dividethecontrolsections fortheresidualtimezones. Theproposedstrategyandmethodarefoundtoincreasetheincomingdaylightand solarirradiationby0to15%
Abstract
Theobjectiveofthisstudyistodeveloptheblindcontrolstrategyandmethodwhichreducenegativeeffectof incomingdaylightonvisualcomfortofoccupants,minimizepsychologicalanxietiescausedbyfrequentmotionsof ablind,andmaximizepositiveeffectofincomingdaylightbyopening/closingofablind. Inpreviousresearches onblindcontrols,majorproblem isthatthetimeintervalandamountofblindmovementdonotmeetthecontrol objectiveattheinflectedzoneofsolarprofilecurve. Toovercometheselimitationsrevealedin theprevious researches,followingtaskswereperformedinthisstudy.ⅰ)Toestablishthecontrolobjectivetoaccomplishthe goalofthisstudy.ⅱ)Todevelopthecontrolmethodsandalgorithmswhichpreventglareonthework-planeat anytimeandwhichcontrolthetimeintervalandamountofblindmovementtofollow thecontrolobjectiveat varioussolarprofileanglecurves.Thisstudyproposedthecontrolstrategyandmethodthatdefinethebasecontrol sectionimplyingtheinflectionpointwithinthecontrolobjectivezoneandsubsequently,dividethecontrolsections fortheresidualtimezones. Theproposedstrategyandmethodarefoundtoincreasetheincomingdaylightand solarirradiationby0to15%
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