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임베디드 시스템 설계를 위한 FPGA 콘트롤러 자동 생성
손춘호(Choonho Son),윤정한(Jeong-Han Yun),한태숙(Taisook Han) 한국정보과학회 2005 한국정보과학회 학술발표논문집 Vol.32 No.2
임베디드 시스템은 소프트웨어와 특수한 기능을 추가한 하드웨어의 긴밀한 결합으로 이루어진다. 이러한 임베디드 시스템 설계는 빠른 시간 안에 안전하면서 다양한 하드웨어와 소프트웨어를 동시에 설계하여 테스트 하는 것이 중요하다. 이를 위해서 개발 초기에는 다양한 하드웨어를 설계할 수 있는 FPGA가 사용된다. 이러한 FPGA 를 소프트웨어와 연결시켜주는 하드웨어 콘트롤러와 디바이스 드라이버 설계는 임베디드 시스템 개발에 있어서 중요한 부분을 차지한다. 본 논문은 FPGA를 포함하는 임베디드 시스템의 구조를 모델링하여, 하드웨어의 기능에 따라 각 하드웨어를 제어하는 콘트롤러를 자동으로 생성하는 방법을 제안하였다.
대규모 IP 네트워크에서 정책기반의 네트워크 제어방법 연구
오준석,손춘호,김기웅,이재진 한국정보통신설비학회 2008 한국정보통신설비학회 학술대회 Vol.2008 No.1
Many different types of network equipments are deployed in a large-scale IP network. In this operating environment, network service providers suffer from difficulty in controlling various equipments simultaneously in case network faults happen in their overall or regional network due to physical link failure or abnormal traffic. This paper presents a policy-based methodology to control many different types of network equipments at the same time in abnormal cases. The key idea is that NMS(Network Management System) keeps vendor-neutral control policies in normal times and that when an abnormal case occurs in network, NMS transforms the selected policy into vendor-specific control commands and enforces them to various equipments simultaneously.
秦柄鎬,金鍾信,孫春昊,李慶郁 서울대학교 1965 서울대학교 論文集 Vol.16 No.-
The authors reported on the beneficial effect of chemotherapy with 5-FU. in 43 patients with various malignant tumors; pancreas cancer (7), bladder cancer (4), fibrosarcoma (2), rectum cancer (3), anal cancer (1), hepatoma (5), colon cancer (5), lung cancer (4), mediastinum lymphosarcoma (1), stomach cancer (10), uterine cervix cancer (1), gallbladder cancer (1), and breast cancer (1). 5-Fluorouracil was given 10mg/kg for 3 consecutive days and, if there was no toxic symtoms, the drug was continued in half the initial daily dose every other day till the toxic menifestations became evident. Usually 4500mg comprised one course of therapy. In order to minimize the toxic side effect the drug was diluted in 500cc of 5% dextrose in water and administerd slowly over the period of 3 hours. Therapeutic effect of this drug is tabulated in detail. In over 83% of the cases, there was diminution in size of tumor mass and improvement in subjective symptoms. The therapeutic effect was sustained over 3 months in 11 of 43 cases. In one patient the symptom free period extended a little more than 14 months. Seven cases showed no favorable response to the drug. The most frequently observed side effects included leukopenia, thrombocytopenia, and diarrhea. Two cases died presumably of the extreme toxicity of the drug despite the marked regression of the tumor mass. The samples owed partly to Dr. D.A. Karnofski and Dr. J.H. Burchenal, Sloan Kettering Institute, and to Roche Laboratory, U.S.A.