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Lim, WonBong,Kim, JiSun,Lim, ChaeGwang,Kim, SangWoo,Jeon, SangMi,Karna, Sandeep,Cho, MinSung,Choi, HongRan,Kim, OkJoon Mary Ann Liebert 2012 Photomedicine and laser surgery Vol.30 No.8
<P>The aim of this study was to examine the reactive oxygen species (ROS) that are dissipated by 635 nm irradiation, and the effect of 635 nm irradiation on ROS scavenging system.</P>
Applying CI Process Tools to Require Analysis for Open-ended S/W Design
Sangwoo Lim,Hoyong Sim,Seojeong Lee 보안공학연구지원센터 2016 International Journal of Software Engineering and Vol.10 No.12
The software development process has been utilized in a variety of methodologies in order to develop high-quality software. There has been a vast array of studies on the various methodologies applicable to the cases of development wherein large-scale systems or requirements have been established. However, very few studies have been conducted regarding the methods suitable for a software project in which the requirements are not determined or the development of additional sub-systems is expected. By utilizing a systematic software development process, designers and developers can perform tasks efficiently when developing additional sub-systems. In this paper, an analysis was performed on the items changed and applied to modify the MESAS software proposed for maritime English into a requirement analysis process suitable for mobile versions by using a continuous integration tool, and to additionally develop a desktop versions.
제품-서비스 통합 비즈니스 개념 설계: 증강현실기기-헤드 마운트 디스플레이 사례연구
임상우(SangWoo Lim),최경현(Gyunghyun Choi) 한국산업경영시스템학회 2016 한국산업경영시스템학회 학술대회 Vol.2016 No.추계
Recently, Product-Service System(PSS) is a rising paradigm that enables integration between products and services offering. Also, academic interests for product-service design using the house of quality (HOQ) have been emerged. the engineering characteristics of the HOQ are usually extracted by experts. However, as the new technologies were merged, it was difficult to find the optimum expert for extracting the engineering characteristics in the fusion technology. Therefore, this paper applies the topic modeling technique using patent data to extract the engineering characteristics which considers not only products features but also services characteristics. Also, a case study demonstrates the usefulness of our approach with augmented reality-head mounted display. It was conducted to make the HOQ with distinct four steps. First, the customer needs were collected through the latest device review from website and grouped into the representative customer needs. Second, the engineering characteristics of the augmented reality-head mounted display were extracted by using the US patent data of augmented reality head mounted display through the topic modeling technique. Third, the correlation degree of product - service characteristics was drawn by using the extracted topic’s cosine similarity. Finally, the relationship matrix of customer needs and engineering characteristics was filled with experts. After which we suggest product-service business concepts from HOQ. Main advantage is appeared from the result of this research paper is that it can provide the business concepts of the integrated product-services to reflect the customer requirements. This business concepts are utilized for the early phase in R&D plannin
구조해석을 통한 T/CON 피스톤 처짐량 및 피로수명에 대한 연구
임상우(Sangwoo Lim),이웅철(Woongchul Lee),권의섭(Eaisub Kwon),신순철(Sooncheol Shin),주인식(Insik Joo) 한국자동차공학회 2013 한국자동차공학회 학술대회 및 전시회 Vol.2013 No.11
Torque converter consists of fluid clutch and lock-up clutch. When the lock-up clutch activates, piston operation transfers the engine power to the transmission. In recent times, in order to meet the requirements for light weight and stability, Torque converter requires optimized design using structural analysis considering maximum load. The most effective parts to lightweight is piston of lock-up clutch which is necessary design criteria. In addition, study for life optimization was conducted. For analysis, piston shape is of single facing clutch type. In the future, this study will aid for structural design of piston.
탄소나노재료-리튬이온전지 융합연구의 현황 분석 및 미래유망분야 도출 연구
임상우(SangWoo Lim),유종태(JongTae Yoo) 한국기술혁신학회 2018 한국기술혁신학회 학술대회 발표논문집 Vol.2018 No.11
1991년 Sony 社의 리튬이온전지 등장 이후, 빠르게 변화하는 기술 환경은 고용량, 고효율성, 안전성 등 성능이 대폭 향상된 리튬이온전지의 시장 수요를 지속적으로 증가시켜왔다. 이러한 수요 속에 탄소나노재료와 리튬이온전지의 융합 연구는 기존의 한계점을 극복하고 관련 산업의 패러다임을 변화시킬 혁신적인 기술로 많은 연구자들에 의해 주목받고 있다. 이에 본 연구에서는 2가지 단계를 통해 리튬이온전지와 탄소나노재료의 융합 기술에 대한 동향을 분석하였다. Phase 1로 탄소나노재료-리튬이온전지 융합기술의 사례분석을 수행하였다. Phase 2로 LDA 알고리즘을 활용하여 탄소나노재료-리튬이온전지 산업의 기술 동향을 분석하였다. 이러한 연구 결과는 이차전지분야의 연구방향 설정 및 민·관의 R&D 투자방향 수립에 큰 도움을 줄 것으로 기대된다. Of various rechargeable energy storage systems reported to date, lithium-ion batteries (LIBs) have occupied a predominant position from the first commercialization thereof in 1991. However, the rapidly changing technology environment, including smart portable electronics, internet of things (IoTs), and electric vehicles (EVs), has driven a relentless pursuit of high-energy-density/high-safety rechargeable energy storage systems with reliable electrochemical performance. Among the vast variety of energy materials, carbon nano-materials have garnered considerable attention as a powerful tool to address the above mentioned challenges. Here, we introduce the technical analysis on current trends and future outlook for nano-battery interdisciplinary research. In the first phase, case studies for the LIBs are carried out especially focused on carbon nano-materials. Then, in the second phase, technology trends for the nano-battery interdisciplinary research were analyzed though the LDA Algorithm based on patent data. We anticipate that this study will provide a promising perception for establishing the research direction and R&D investment in the nano-battery interdisciplinary research.
차대차 추돌시험 및 WITKit 시뮬레이션을 통한 경추염좌 상해 실증 연구
임종훈(Jonghun Lim),임남경(Namkyung Lim),심상우(Sangwoo Shim),이재원(Jaewon Lee) 한국자동차공학회 2013 한국자동차공학회 학술대회 및 전시회 Vol.2013 No.11
Whiplash injuries in low speed rear-end accidents cause many social problems such as excessive medical claim costs and moral hazards. In 2011, the number of injuries by rear-end collision accidents is about 0.7 million, which accounts for 54.2% among total injuries of car insurance in Korea. More than 99% of injured person by rear-end collision accidents is minor injured under AIS2. The aim of this study is to determine whiplash injury risk in very low speed(△V=6km/h) rear-end crash test and to analyze the whiplash injury by simulating the accident scenario with WITKit system. To accomplish this purpose, car to car rear-end crash test and WITKit simulation were carried out. BioRID-II was seated in the target vehicle and Neck injury criteria(NIC, Nkm), head contact time and max & mean vehicle accelerations were calculated from the values like accelerations, forces and moments. These actual test results were input into WITKit system. The whiplash injury risk in low speed traffic accidents was critically low. It is found that there is a correlation of whiplash injury risk between rear-end crash test and WITKit simulation result.
Jae eun LIM,Yunmi KIM,Jaemo AN,Sangwoo YU,Jisu YUN,Dayoung LEE,Yewon LEE,Minjeong LIM,Gyuri JEONG,Heekyung JUNG Korea FoodHealth Convergence Association 2023 The East Asian Journal of Business Economics Vol.9 No.3
This study is a descriptive survey research to identify factors affecting the nursing intention of nursing college students who will nurse COVID-19 patients. This study was analyzed through convenience sampling for freshmen, sophomore, junior, senior attending the Department of Nursing at E University in Gyeonggi-do from May 17 to August 11, 2022. As a result, it was found that the intention to care for COVID-19 patients increased by 20% every time the knowledge score on COVID-19 increased by 1 point . If the average score for each item in the moral sensitivity question increased by 1 point, the nursing intention increased significantly by 5.21 times, and it was found that the nursing intention for COVID-19 patients increased significantly by 6.93 times each time the average score for each behavioral belief item increased by 1 point. Based on the results of this study, it was confirmed that the higher the knowledge, moral sensitivity, and behavioral beliefs of nursing students, the higher the intention to care for new infectious disease patients. Based on the results of this study, it was confirmed that It is necessary to develop and apply educational and psychological intervention programs and integrated nursing ethics programs.