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박준석(Park June-Seok),김형우(Kim Hyung-Woo) 대한건축학회 2009 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.29 No.1(계획계)
As trading among countries has expanded, the demand for containers to transport shipment has also increased dramatically. Ever since some architects started to use containers as an architectural unit in the 1990s by citing the merits of using containers such as short construction time, simple construction, economical efficiency, and easy recycling, containers are now considered as a new form of architecture. However, currently, container architecture in Korea can be found mostly in temporary architecture or makeshift structures, and the perception and the condition of such architecture are very poor, and related research and development are still insufficient. Small makeshift architecture is being built without considering the surrounding environment, and is damaging the surrounding landscape. To improve such container architecture into proper architectural facilities, practical solutions for legal and sanitary issues are continuously needed. Thus, in this study, the general concept and the current usage of container residential architecture in Korea will be reviewed, and by analyzing foreign cases, their applicability to Korea will be investigated. In addition, by analyzing the characteristics of small residential architecture as well as various combining methods, their practical applicability will be examined.
새로운 제어신호 생성회로를 이용한 FFT의 효율적인 구현
양승원(Seung-Won Yang),박준석(June-Seok Park),김용은(Yong-En Kim),임명섭(Myoung-seob Lim),정진균(Jin-Gyun Chung) 대한전자공학회 2007 대한전자공학회 학술대회 Vol.2007 No.7
In This paper, we propose new control signal generator algorithm FFT twiddle factor address. The FFT's ROM is reduced 4 times by using proposed algorithm. In the case of the ROM, it is shown that by the proposed method, 256 point radix-2⁴ FFT, the area and power consumption can be reduced 30%, 8% respectively, 1024 point radix-2⁴ FFT, the area and power consumption can be reduced 58%, 37%, respective with conventional method.
정원재(Won-Jae Jung),임세미(Se-Mi Lim),박태준(Tae-June Park),홍석민(Seok-Min Hong),김진섭(Jin-Sup Kim),박준석(Jun-Seok Park),채형일(Hyung-il Chae) 대한전자공학회 2016 대한전자공학회 학술대회 Vol.2016 No.11
This paper presents a hall device structure for improve hall sensor sensitivity using in a CMOS process. Hall device sensitivity is proportional to hall current (inverse proportional to magnetic filed and bias current). The hall current presented by (RS + 3RD)/RS × RD from equivalent circuit. The proposed cross shaped hall device has a low RS, and high sensitivity. The proposed hall device is simulated in a 3-dimensional model simulator in COMSOL Multiphysics, with 0.35 μm CMOS process parameters. The hall device prototype fabricated in 0.35 μm CMOS process. The measurement result is as following: the maximum sensitivity is approximately 12.6 %/T @ 20mT and 12 μA bias current.
김대성,변성균,이영민,박준석,박정은,임동건 한국교통대학교 2015 한국교통대학교 논문집 Vol.50 No.-
The plating technique is one of the electrode forming technologies for crystalline silicon solar cell. It has the advantage that can raise the production efficiency due to simple process. The electrode texhnology is the core process because the electrode feature is given a substantial factor (for solar cell efficiency). In this paper, we tried to change conditions such as laser frequency 500 ~ 600 khz, power 60 ~ 90 %, speed 1 ~ 5 m/s. Nickel and Copper was plated by light induced plating and light induced electro plating method. Light induced plating makes use the photovoltaic effect of solar cell to deposite the metal on the front contact. The cell was immersed into the electrolytic plating bath and irradiated at the front side by light source, which leads to a current density in the front side grid. The solar cells result in an energy conversion efficiency of 10.58 % with light induced plated Ni and light induced electro plated Cu.