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최형규,윤수연,김수연,송민규,Hyung-gyu Choi,Su-yeon Yun,Soo-youn Kim,Min-kyu Song 반도체공학회 2023 반도체공학회 논문지 Vol.1 No.1
This paper presents a low-power flip-flop(FF) circuit that minimizes the transition of internal nodes by using a dual change-sensing method. The proposed dual change-sensing FF(DCSFF) shows the lowest dynamic power consumption among conventional FFs, when there is no input data transition. From the measured results with 65nm CMOS process, the power consumption has been reduced by 98% and 32%, when the data activity is 0% and 100%, respectively, compared to conventional transmission gate FF(TGFF). Further, compared to change-sensing FF(CSFF), the power consumption of proposed DCSFF is smaller by 30%. 본 논문에서는 dual change-sensing 기법을 사용하여 내부 노드 변환을 최소화시킨 저전력 플립플롭 회로를 제안한다. 제안하는 Dual Change-Sensing Flip-Flop(DCSFF)은 데이터 변환이 존재하지 않는 경우, 기존에 존재하던 플립플롭들 중 동적 전력 소모가 가장 낮다. 65nm CMOS 공정을 사용한 측정 결과에 따르면, conventional Transmission Gate Flip-Flop(TGFF)와 비교하여 data activity 가 0% 와 100% 일때, 각각 98%와 32%의 감소된 전력 소모를 보였다. 또한 Change-Sensing Flip-lop(CSFF)과 비교하여 제안하는 DCSFF 는 30% 의 낮은 전력 소모를 보였다.
International political economy thought in pre-modern and colonial Korea
최형규 경희대학교 글로벌 통상·금융연구원 2019 International Trade, Politics and Development Vol.3 No.1
The purpose of this paper is to analyse international political economy (IPE) thought in Korea during its pre-modern and colonial eras.It divides these eras into three periods. The first period is the eighteenth century, in which Silhak arose. The second is the mid- and late nineteenth century, a time characterised by conflicts between Wijeong-cheoksa and Gaehwa thoughts. The final period is that of colonial Korea under imperial Japan, and during this time economic nationalist movements were pursued while Marxist theories were also introduced to the country.This research shows that IPE thoughts analogous to Western economic liberalism and economic nationalism did emerge endogenously in Korea when its environment was similar to those in which these Western thoughts arose, although in ways that reflected Korea’s peculiar situations of the times. This study also demonstrates that the “economic” thoughts of the Koreans in these periods were shaped largely by their political thoughts.This research contributes to the building of a more “globalised” intellectual history of classical IPE thought.
Assessing the Imperative for Underpass Safety Technologies in Climate Change Challenges
최형규,박기용,권설아 (사)위기관리이론과실천 2023 Journal of Safety and Crisis Management Vol.13 No.10
Amidst the heightening urgency of climate change impacts, underpass roadways are particularly susceptible to the intensifying and unpredictable weather events, with flooding being a primary concern. This paper highlights the dire need for sophisticated safety assessment technologies specifically catered to these critical infrastructures. Herein, we present a pioneering risk assessment model that holistically incorporates environmental variables along with urban developmental factors to yield an exhaustive evaluation of flood vulnerability. Our proposed methodological framework offers a robust scientific foundation for the identification of high-risk areas, which is crucial for effective emergency response planning, optimized resource allocation, and enhancing the adaptive capacity of urban environments to weather extremes. The adoption of such advanced assessment tools is not just beneficial but becomes essential for informed urban planning and safeguarding the populace against the dire consequences of flood events.