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조문택(Moon-Taek Cho),송호빈(Ho-Bin Song),백동현(Dong-Hyun Baek),김영춘(Young-Chun Kim),백종무(Jong-Mu Baek),조건식(Gun-Sik Cho) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
In the previous study using pspice for pv systems modeling and simulation were performed.. In this paper, the most commonly used with PSPICE simulations using Matlab simulation tools, one of the solar system even easier to implement was modeled using simulink. If you use this control in the field is more diverse and accurate simulation and to implement it in a real system that can reduce trial and error will be able to get good simulation results.
조문택(Moon-Taek Cho),송호빈(Ho-Bin Song),김영춘(Young-Chun Kim),백동현(Dong-Hyun Baek),황락훈(Lak-Hoon Hwang),백종무(Jong-Mu Baek),조건식(Gun-Sik Cho) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
Worldwide problem, due to the depletion of energy to power more efficient use of the same capacity to improvise for the use of LED brightness is growing. Recent advances in LED technology have lead to LEDs' widespread use in outdoor-signal applications, such as in traffic and railroad signals. Likewise, for large system design and production of issues leading to the simulation should be performed with less effort than to create a system that is reliable. In this paper a wide field of use to more accurately simulate a LED, and easy to use PSPICE can be used as general-purpose use of the LED device modeling. According to a particular LED, the device easy to use basic input variables to the values of library. In order to determine the behavior of the library to provide basic diode device, compared with PSPICE simulations confirm the accuracy of the simulation was performed.
정순택,문길만,조건식,강성국,김설희 木浦大學校 工業技術硏究所 1998 工業技術硏究誌 Vol.8 No.-
The effect of chitosan in soybean koji preparation and characteristics of chitosan-koji were investigated. Aspergillus oryzae KCTC 6096 and Aspergillus kawachii KCCM 11458 was used for koji preparation. a-Amylase activity of soybean koji prepared with 0.25% 10cp chitosan was excellent relative to 30 cp chitosan and 1.6 times higher than non-added soybean koji. Acid and neutral protease activities of soybean koji prepared with 0.25%, 10 cp chitosan were showed simillary higher value than non-chitosna added koji. The period of koji preperation was reduced 30% by adding chitosan.