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신뢰성 있는 멀티스택 기반의 가상화된 데이터 동시공유 시스템의 구현
한규종,전동운,김두현,Han, Kyujong,Jeon, Dongwoon,Kim, Doohyun 대한임베디드공학회 2016 대한임베디드공학회논문지 Vol.11 No.5
In this paper, we present an architecture for the fault isolation by applying virtualization-based multi-stack technologies. We propose the simultaneous sharing and switching mechanism using virtualied serial communications. Each guest OS has its own virtual serial device. The distribution module provides communications between the guest OS's through the virtual serial devices and simultaneously detect the liveness of the guest OS. The suggested mechanism has been implemented in VirtualBox and shows satisfactory performance in transmission speed and data sharing capability with virtual RS232.
유형목(YOO, Hung Mok),손영태(Son, Yeong-Tae),한규종(HAN, Kyu Jong),이상화(Lee, Sang-Hwa) 대한교통학회 2013 대한교통학회 학술대회지 Vol.68 No.-
본 연구의 목적은 충격파 이론을 이용하여 고속도로 사고발생에 따른 탄소배출량 산정하는 것으로 이를 위해 경부고속도로를 대상 으로 대표적인 사고 유형, 차로 점유시간 등을 분류하였다. 이를 바탕으로 서비스수준, 차로, 차로점유시간 등으로 시나리오를 구분하 여 추가 탄소배출량을 분석한 결과 차로차단이 많을수록, 서비스수준이 하락할수록, 차로점유시간이 길어질수록 대기행렬의 길이는 이에 비례하여 점점 증가하며, 또한 서비스 수준의 변화에 따라서 추가 발생 배출량의 증가율이 점점 커짐을 도출하였다. 이를 바탕 으로 고속도로 사고로 인한 탄소배출량을 분석할 수 있는 방법론을 수립하고, 이를 검증한다면 전국 고속도로의 탄소배출량 산정이 가능해질 것이다. 또한 본 연구에서는 본선을 대상으로 분석하였으나, 향후 본선 외에 다른 구간까지 추가적으로 분석된다면 고속도로 사고 감소를 위한 정책 도입에 따른 효과를 제시할 수 있을 것이다.
서울시 교직원의 고혈압 실태파악과 그 요인에 관한 연구
신선미,김종희,한규종,이희우 韓國學校保健學會 2004 韓國學校保健學會誌 Vol.17 No.1
Purpose : To describe epidemiological characteristics and related factors in school personnel with hypertension. Method : 5,384 school personnel (2,638 males and 2,746 females) received physical examination at the Seoul School Health Center in 2002. blood pressure(BP) was classified by JNC 7th report. Normal BP is systolic BP <120 and diastolic BP<80, prehypertension BP is 120-139 or 80-89mmHg, stage 1 hypertension BP is 140-159 or 90-99, and stage 2 hypertension >=160 or >=l00 mmHg. each group was evaluated by gender. We used multiple regression and logistic regression. Results : Normotension was 20.13% in d e s and 48.65% in female, prehypertension 43.4% in males and 3.06% in females, stage 1 hypertension 26.38% in males and 10.99% in females, stage2 hypertension 9.59% in males and 3.2% in females. the older age group had higher distribution of stage 1 hypertension and stage 2 hypertension. The means and abnormal rates of BMI, blood sugar, total cholesterol, GOT, GPT, and GTP was higher when their blood pressure was higher. However, an alcohol habit among lifestyle factors had an inverse effect. Higher Bp was correlated to a &her BMI, FBS, and cholesterol-like dose response. In stage 1 hypertension, the related factors of hypertension for males were BMI, amount of cigarettes smoked, exercise, blood sugar, total cholesterol, and GTP. In stage 1 hypertension, age, BMI, exercise, blood sugar, total cholesterol were related factors in female. In stage 2 hypertension, age and smoking were related factors in male, and age, BMI, and cholesterol in female. Conclusions : It is possible to intervene in all related factors of hypertension except age through life-style modification and appropriate medical management. Active health promotion is needed in School personnel.