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PSCAD/EMTDC를 이용한 계통연계형 PV시스템의 mppt제어를 위한 fuzzy제어기 설계에 관한 연구
김규한(Kyu-Han Kim),김형수(Hyung-Su Kim),이상훈(Sang-Hun Lee),이화석(Hwa-Seok Lee),박준호(June-Ho Park) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.11
This paper proposes a method of maximum power point tracking (MPPT) using fuzzy logic control for grid-connected photovoltaic systems(PV). First for the purpose of comparison and because of its proven and good performances, the incremental conductance (IncCond) technique is briefly introduced. A fuzzy logic controller (FLC) based MPPT is then proposed which has shown better performances compared to the IncCond MPPT based approach. Modeling and Simulation in grid-connected PV system results are provided for both controllers under same atmospheric condition based PSCAD/EMTDC. The fuzzy logic MPPT controller is then simulated and evaluated, which has shown better performances.
HMB - 45 단세포군 항체와 S - 100 단백질에 대한 항체를 이용한 악성 흑색종의 면역조직화학 염색
김규한(Kyu Han Kim),조광현(Kwang Hyun Cho),함의근(Eui Keun Ham) 대한피부과학회 1990 大韓皮膚科學會誌 Vol.28 No.6
We evaluated the characteristics of HMB-45 monoclonal antibody(MoAb) and compared it with a polyclonal anti-S-100 antibody in immunohistochemical staining of 22 primary melanomas of the skin ; 13 acral lentiginous melanomas(ALM), 3 superficial spreading melanomas(SSM), 4 lentigo maligna melanomas(LMM), 3 nodular melanomas(NMM). All speimens were formalin-fixed and paraffin-embedded, and were studied with the avidin-biotin-peroxidase complex technique. The results can be summarized as follows : l. In all tissue specimens, all or some of the melanoma cells in the dermis reacted with HMB-45 MoAb and anti-S-100 protein. 2. HMB-45 MoAb is more sensitive in detecting malignant melanoma cell heterogeneity t,han anti-S-100 protein. 3. Melanoma cells within the epidermis in 6 of 12 ALMs and 3 of 4 LMMs did not react with anti-S-100 antibody, whereas most melanoma cells within epidermis of 12 ALMs and 4 LMMs reacted with HMB-45 monoclonal antibody. These results indicated that immunohistochemical staining with HMB-45 MoAb and anti-S-100 protein is very useful in the study of biologic behavior of malignant, melanoma. (Kor J Dermatol 28(6):730 736, 1990)
PSCAD/EMTDC를 이용한 계통연계형 태양광발전시스템의 MPPT제어를 위한 Double Fuzzy 제어기 설계에 관한 연구
김규한(Kyu-Han Kim),김형수(Hyung-Su Kim),박준호(June-Ho Park) 대한전기학회 2011 전기학회논문지 Vol.60 No.3
This paper proposes a method of maximum power point tracking (MPPT) using fuzzy logic control for grid-connected photovoltaic systems (PV). First, for the purpose of comparison, because of its proven and good performances, the incremental conductance (IncCond) technique is briefly introduced. A double fuzzy logic controller (DFLC) based MPPT is then proposed which has shown better performances compared to the IncCond MPPT based approach. Modeling and Simulation in grid-connected PV system results are provided for both controllers under same atmospheric condition based PSCAD/EMTDC. The double fuzzy logic MPPT controller is then simulated and evaluated, which has shown better performances.
UVB 및 UVA가 생쥐표피세포의 주기성 및 비주기성 DNA 합성에 미치는 영향
김규한 ( Kyu Han Kim ),김방순 ( Bang Soon Kim ),문상은 ( Sang Eun Moon ),윤재일 ( Jai Il Youn ) 대한피부과학회 1992 대한피부과학회지 Vol.30 No.2
After UV irradiation to mouse epidermis, autoradiography using H-thymidine was performed to study the effects of UV on scheduled and unschcdu ed DNA syntheses. The results can be summarized as follows. l. In case of UVB 100mJ/cm, heavily labeled cells (HLCs) representing scheduled DNA synthesis began to decrease immediately after UVB irradiai,ior and were significantly decreased after 24 hours, but then recovered after 48 hours. The ecovery was maintained from 72 hours, up to 7 days. Sparsely labeled cells (SLCs) repres inting unscheduled DNA synthesis were significantly increased from immediately after UV 3 irradiation and up to 6 hours later. Repair was present at 24 hours, and was maintained at 48 hours, 72 hours, and 7 day after irradiation. 2. In case of UVA, UVA 10J/cm did not affect DNA synthesis sign ficantly. But in cases of UVA 30J/cm and 50J/cm, HLCs began to decrease immediately after UVA irradiation and were significantly decreased for 24 hours. Recovery occured at 48 hours, and was maintained from 72 hours up to 7 days. SLCs were significently increased immediately after and up to 6 hours after UVB irradiation. Repair generally occurred after 24 hours, and was maintained at 48 hours, 72 hours, and 7 days after ir rad ation. (Kor J Dermatol 1992;30(2): 186-196)
백령도에 분포하는 알칼리 현무암과 맨틀 포획암의 Nd-Sr과 영족기체 동위원소 조성
김규한(Kim Kyu Han),長尾敬介(Nagao Keisuke),장형숙(Jang Hyung Sook),角野浩史(Sumino Hirochika),정정인(Chung Jung In) 대한자원환경지질학회 2002 자원환경지질 Vol.35 No.6
백령도에서 산출되는 알칼리 현무암과 현무암내의 맨틀포획암에 대하여 REE와 Nd-Sr, 영족기체의 동위원소비를 분석하여 초염기성 포획암과 알칼리 현무암질 마그마의 기원을 해석하였다. 연구결과를 요약하면 다음과 같다. (1) 스피넬-러조라이트 맨틀 포획암을 다량 함유한 알칼리 현무암은 주로 현무암-뮤저라이트(mugearite)와 현무암질 안산암으로 구성되어 있다. (2)높은 HREE특징을 가지는 알칼리 현무암의 REE패턴은 OIB패턴과 유사하다. 그리고 상이한 시료들 간에 비교적 균일한 REE패턴은 알칼리 현무암질 마그마가 동일 기원물질에서 유래하였음을 시준하고 있다. (3)현무암의 Nd-Sr동위원소비는 알칼리 현무암질 마그마가 지각물질의 혼입영향이 없는 결핍맨틀 기원임을 가르키고 있다. (4)포획암중 감람석의 헬릅동위원소비(3He/4He)는 5.0±1.1Ra-6.7±1.3Ra로 MORB 값(ca. 8.0Ra) 보다 낮으며 대륙지각 하부 리소스피어 맨틀의 특성을 나타내고 있다. 그러나 시료 OL-7 감람석의 높은 3He/4He(16.8±3.1Ra) 값은 분출후 우주선 기원 3He의 혼입으로 추정된다. 감람석의 아르곤 동위원소비(40Ar/36Ar=300∼500)는 MORB값(10,000∼30,000)보다 훨씬 낮은 대기 아르곤의 동위원소비(295.5)에 가깝다. 이는 백령도 포획암의 감람석이 마그마 분출후 느린 탈가스 과정에 대기의 혼염이 있었음을 암시하고 있다 The rare earth elements (REE) and Nd, Sr and noble gas isotopic compositions (3He/4He, 40Ar/36Ar) for the Quaternary alkali basaltic rocks and mantle xenoliths in the basaltic rocks from the Baegryongdo were investigated to decipher the origin of alkali basaltic magma and xenolith beneath the Sino-Korean craton. Analytical results are summarized as follows; (1) The alkali volcanic rocks with voluminous xenoliths which are represented by the Mg-olivine and clinopyroxene dominant spinel-lherzolite in the Baegryongdo consist mainly of the basalt-mugearite and basaltic andesite. (2) The REE pattern of alkali basaltic rocks characterized by high HREE is similar to that of oceanic island basalt (OIB). Relatively concordant REE patterns of the basaltic rocks suggest that the alkali basaltic magma be formed by the identical source materials. (3) The Nd-Sr isotopic data of the alkali basaltic rocks suggest that the alkali basaltic magma be originated from the depleted mantle source with a little contamination of the continental crustal materials. (4) The 3He/4He ratios in olivines of xenoliths ranging from 5.0±l.1Ra to 6.7±1.3Ra are lower than that of MORB (ca. 8.0Ra). It suggest that the xenolith be derived from the subcontinental lithospheric mantle. However, the high 3He/4He value of 16.8±3.1Ra at 1800℃ fraction (sample no OL-7) might be resulted from the post-eruptive cosmogenic 3He. The 40Ar/36/Ar ratios in olivines of mantle xenoliths are comparable to that of atmospheric argon, and are much lower than that of the MORB type mantle. These facts can lead to conclusion that the olivine of the xenolith in the Baegryongdo is affected by the post-eruptive atmospheric contamination during the slow degassing process.