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이재왕(Jaewang Lee),연제명(Jaemyoung Youn),원동훈(Donghoon Won) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
A useful software platform (SWP) and a development environment for Electronic Control Unit (ECU) of the Electric Vehicle (EV) and Hybrid Electric Vehicle (HEV) are designed. The designed SWP has the layered architecture for increasing reusability. The development environment is designed to help the application engineers who design the algorithm by model-based development (MBD) method or who calibrate the parameters. The application software (ASW) modules generated from the TargetLink model to control the vehicle and the developed SWP modules are integrated and verified on vehicle. Because the SWP has layered structure, it is possible to reuse in another ECU except the dependent part of CPU. This software Platform is also applied to HMC’s ECUs for the EV and HEV project.
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직렬형 하이브리드 버스에서 보조동력장치의 고효율 작동을 위한 제어 알고리즘
함윤영(Yunyoung Ham),송승호(Seungho Song),민병문(Byungmun Min),노태수(Taesu No),이재왕(Jaewang Lee),이현동(Hyeoundong Lee),김철수(Chulsoo Kim) 한국자동차공학회 2003 한국 자동차공학회논문집 Vol.11 No.5
A control algorithm is developed for highly efficient operation of auxiliary power unit (APU) that consists of a diesel enginc and a directly coupled induction generator in series hybrid electric Bus (SHEB). In a series hybrid configuration the APU supplies the electric power needed for maintaining the state of charge (SOC) of the battery unit in various conditions of vehicle operation. As the rotational speed of generator does not depend on the vehicle speed, an optimized operation of engine-generator unit based on the efficiency map of each component can be achieved. The output torque of diesel engine can be controlled by the amount of fuel injection, and the power converted from mechanical to electrical energy can be adjusted by generator control unit (GCU) using the decoupling vector control of torque and flux. As for the given reference of the generating power. the multiply of speed and torque. many combinations of operating speed and torque are possible. The algorithm decides the new operating point based on the engine efficiency map and generator characteristic curve. During the transition of operating points, the speed controller saturation is avoided using variable limit and filtering of generator torque reference. A test rig and SHEB consist of a 1.5L diesel engine and a 30kW induction generator are constructed by Hyundai Motor Company.<br/>
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국내 중증 급성 호흡기 증후군 코로나 바이러스의 검사실 내 진단: 현재, 한계점 그리고 직면한 과제
송기선,이유림,김성민,김원태,최정원,유다현,유정영,장경태,이재왕,전진현,Song, Gi Seon,Lee, You-Rim,Kim, Sungmin,Kim, Wontae,Choi, Jungwon,Yoo, Dahyeon,Yoo, Jungyoung,Jang, Kyung-Tae,Lee, Jaewang,Jun, Jin Hyun 대한임상검사과학회 2020 대한임상검사과학회지(KJCLS) Vol.52 No.3
2019년 12월, 중국 후베이성 우한시에서 COVID-19환자가 처음으로 보고되었다. 그 이후 국내에서 신종 코로나 바이러스에 의해 야기된 중증 급성 호흡기 증후군 환자가 급격하게 증가하였다. 이러한 새로운 변종 바이러스는 기침, 인후통, 비루, 호흡곤란, 폐렴 및 기타 폐질환을 유발한다. 중증 급성 호흡기 증후군 코로나 바이러스 2는 RNA바이러스로, 실시간 역전사효소 중합효소 연쇄반응을 통한 분자진단 검사가 COVID-19의 진단에 폭 넓게 사용되고 있다. 국내 질병관리본부와 식품의약품 안전처의 긴급 사용 허가 승인에 따라, 건강한 사람과 COVID-19 환자로부터 검체를 채취하여 진단검사의학적인 방법을 통해 진단을 수행하고 있다. 기존에 출판된 많은 문헌 고찰을 통해, 본 연구에서는 역학, 증상 및 질병관리본부의 승인을 받은 현재의 검사실 내 COVID-19 분자 진단 방법, 분자 진단 검사와 혈청학적 진단의 차이, 임상 검체 가이드라인 등을 다시 한 번 확인하고자 하였다. 추가적으로 본 연구를 통해 국내 의료기관 내 의료종사자 및 임상병리사들의 병원 감염을 예방하고자 생물학적 안전에 관한 가이드라인을 확인하였다. 국내 임상병리사들의 경험과 그로부터 얻은 교훈을 통해 국내외 COVID-19 팬데믹 상황으로부터 국민의 안전을 지킬 수 있는 단초를 제공할 수 있을 것이라 사료된다. In December 2019, the first coronavirus disease- 2019 (COVID-19) patient was reported in Wuhan, Hubei Province, China. Since then, the number of patients who suffered severe acute respiratory syndrome caused by the novel Coronavirus (SARS-CoV-2 or 2019-nCoV) has increased dramatically in Korea. This new variant virus induces pulmonary diseases, including cough, sore throat, rhinorrhea, dyspnea, and pneumonia. Because SARS-CoV-2 is an RNA virus, real-time reverse-transcriptase PCR has been used widely to diagnose COVID-19. As the Korea Centers for Disease Prevention and Control (KCDC) and Ministry of Food & Drug Safety (MFDS) approved emergency use authorization, clinical specimens collected from COVID-19 patients and even healthy people have been clinically diagnosed by laboratory medicine. Based on a literature search, this paper reviews the epidemiology, symptoms, molecular diagnostics approved by KCDC, a current diagnosis of COVID-19 in the laboratories, the difference between molecular and serological diagnosis, and guidelines for clinical specimens. In addition, the Korean guidelines of biosafety for clinical laboratory scientists are evaluated to prevent healthcare-associated infection. The author's experience and lessons as clinical laboratory scientists will provide valuable insights to protect the domestic and international health community in this COVID-19 pandemic around the world.
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