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서울시 대중교통체계개편이 수도권 지하철 통행패턴에 미친 영향
서영욱(Seo Young-Wook),김연규(Kim Yeon-Kyu),김찬성(Kim Chan-Sung) 한국철도학회 2005 한국철도학회 학술발표대회논문집 Vol.- No.-
Various urban transport policies have an effect on urban transit riderships. This study reports variations of metropolitan subway travel patterns affected by an enormous change in bus routes and transfer discount policy between subway and bus mode conducted by Seoul city in July 1st of 2004. In an effort to see the difference between the before and the after policies, two datasets are prepared. Firstly, on a daily bassis, an origin-destination trip table of May of 2004 is used. Secondly, on a daily bassis, an origin-destination trip table of August-September of 2004 is used as a counter measure. Even if seasonal variation was not considered, there were increasing riderships of about 0.25 million on a daily basis. Subway line 2 and 7 have an important role in changes. The effects of system changes, however, largely varied on location and subway line numbers.
서영욱(Young Wook Seo),신승호(Seung Ho Shin),서자영(Ja Yeong Seo),변형권(Hyung Kwon Byeon) 대한두경부종양학회 2017 대한두경부 종양학회지 Vol.33 No.1
Hemangioma is the most common benign tumor in neonatal and infant stage. In the head and neck region, the lesion mostly occurs in the masseter, trapezoidal or sternocleidomastoid muscle. Due to its rarity and non-specific symptoms, it is difficult to diagnose precisely. Intramuscular hemangioma can be misdiagnosed as sialolithiasis of the parotid gland. There are several treatment options for hemangiomas such as sclerotherapy, radiotherapy, embolization, and surgery. Of all these, definitive surgical resection is considered most effective in preventing future recurrence. Here we report a case of intramuscular hemangioma that was detected in the patient’s right masseter muscle which was initially misdiagnosed as parotid sialolithiasis and was consequently managed with surgical resection.
서영욱(Young Wook Seo),백승환(Seunghwan Baek),김흥섭(Heungseob Kim) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.11
There are various noises generated by friction. Especially, reducing the disc brake squeal noise is an important technical issue in the automotive industry. Eliminating squeal noise generated during braking is an important task for the improvement of vehicle passenger comfort. Recent studies on brake squeal caused by a self-excited vibration phenomenon in brake systems focused on reducing the squeal occurrence by changing the dynamic characteristics of brake components. In this study, SMPF analyzes the contribution from each system normal mode to the system unstable mode. SMPF can help identify the big contributing modes from each component. The least modification was proposed from the sensitivities to reduce the squeal noise. To verify this proposal, a reasonable finite element model was generated by correlating component and assembly modal tests. In processing correlation with component modal test, MAC was used as a reference value for mode shape correlation.
학술세션Ⅲ : 지식경영과 창의성 ; 국내 ICT기업에서 신뢰와 지식공유가 개인 창의성에 미치는 영향 연구
서영욱 ( Young Wook Seo ),채성욱 ( Seong Wook Chae ),이건창 ( Kun Chang Lee ) 한국지식경영학회 2014 지식경영 학술심포지움 Vol.2014 No.-
모바일, Web 3.0시대를 맞이한 국내 정보통신기술(ICT; Information Communication Technology) 기업들은 급변하는 경영환경 속에서 기업의 생존과 발전을 위하여 창의성경영 및 지식경영을 실행하고 있다. 창의성에 대한 많은 연구가 진행되어왔지만 국내 ICT기업이 처한 직무에 대한 스트레스 및 직무소진, 구성원들이 갖는 신뢰와 지식공유, 개인 창의성을 종합적으로 분석한 실증 연구는 부족한 실정이다. 이에 본 연구에서는 (1)직무스트레스가 직무소진에 미치는 영향과 (2)직무소진, 조직신뢰, 구성원신뢰가 지식공유에 미치는 영향, (3)조직신뢰, 구성원신뢰, 지식공유가 개인 창의성에 미치는 영향, (4)직무스트레스가 지식공유와 개인 창의성간의 관계에 미치는 조절효과를 분석하고자 하였다. 이를 위하여 국내 ICT기업에 종사하는 구성원들에게 설문을 배포한 후 332개의 데이터에 대하여 PLS분석을 실시하였다. 분석결과는 가설1부터 가설8까지 모든 가설이 유의하게 지지되었으며, 마지막으로 결론부문에 시사점 및 연구의 한계에 대하여 기술하였다.
Hungarian Algorithm을 이용한 다 개체 추적에 관한 연구
서영욱 ( Young-wook Seo ),이상걸 ( Sang-geol Lee ),장원두 ( Won-du Chang ),차의영 ( Eui-young Cha ) 한국정보처리학회 2004 한국정보처리학회 학술대회논문집 Vol.11 No.1
본 논문은 여러 개체의 생물체 궤적을 효과적으로 추적하기 위해 Hungarian Algorithm을 이용한다. 생물체 궤적 정보와 생물체의 좌표 정보로 Weighted bipartite graph를 구성한다. weight는 궤적 정보와 좌표 정보의 거리, 속도, 각도를 비교하여 계산한다. 구성된 graph를 Hungarian Algorithm로 계산하여 가장 효율적인 matching이 이루어지도록 한다. 실제 생물체를 관찰하고 얻어진 데이터를 이용하여 실험을 하고, 제안한 방법의 효율성을 검증한다.
YOUNG-JI BYON(변영지),SEUNG HWAN KIM(김승환),GOANG SUNG JIN(진광성),YOUNG WOOK SEO(서영욱),YOUNG SOON BAEK(백영순) 한국수소및신에너지학회 2023 한국수소 및 신에너지학회논문집 Vol.34 No.6
Recently, a hydrogen charging station-related memorandum of understanding (MOU) was signed between Korea Transport Institute and United Arab Emirates (UAE) Ministry of Transport in Abu Dhabi, creating a foundation for exporting green hydrogen charging stations and hydrogen powered public transit buses developed with Korean technology to Abu Dhabi. Reliable construction and operation of the charging stations require a thorough review on associated standards and legal requirements. In particular, it is essential to analyze currently effective standards related to hydrogen production, hydrogen vehicle charging, and hydrogen charging stations. This paper specifically focuses on comparative analysis of hydrogen-related standards in the UAE and the Republic of Korea. Similar to UAE, Korean hydrogen charging station-related standards follow International Organization for Standardization (ISO) standards. From real-life experiences in developing and operating charging stations, even more essence of ISO standards have been adopted in Korean standards than UAE. In particular, ISO standards related to fire prevention are additionally included in Korea. This paper also suggests procedural and administrative strategies for enabling application of Korean hydrogen charging station-related standards in UAE.
스포츠스타의 휴먼브랜드가 구매의도에 미치는 영향 연구 -고관여, 저관여 제품 비교-
신용선,서영욱,Shin, Yong-Sun,Seo, Young Wook 한국콘텐츠학회 2022 한국콘텐츠학회논문지 Vol.22 No.10
The purpose of this study is to suggest an effective marketing method for product advertising. With regards to this, 148 copies of survey data were collected from consumers, and the hypothesis of this study was verified using SPSS 25.0. The results revealed that (1) Human Brand attractiveness had a positive effect on Human Brand attachment among the products of low involvement. (2) The uniqueness and the intimacy of Human Brand had a positive effect on Human Brand attachment among the products of high involvement. Through this study, the effect of reliability, expertise, attractiveness, uniqueness, and intimacy among human brand characteristics on human brand attachment, human brand attitude, and product purchase intention was confirmed, and it was also possible to confirm the difference in influence on human brand characteristics and purchase intention according to the product characteristics involved. This study has expanded the research scope of Human Brand, which has been studied mainly by entertainers and entrepreneurs, to sports stars and through empirical analysis, it has tried to identify influencing factors to improve purchasing intent based on high and low-contention characteristics of advertising products.
기업 내 퍼실리테이터의 역할과 팀 창의성에 관한 연구 - 혁신지향문화와 팀 임파워먼트를 매개로
이은정,서영욱,Lee, Eun-Jung,Seo, Young-Wook 한국콘텐츠학회 2022 한국콘텐츠학회논문지 Vol.22 No.10
In research on the role of facilitators, studies on the effects of facilitators who conduct meetings and workshops within companies on innovation-oriented culture, team empowerment, and team creativity are insufficient. The purpose of this study is to verify the effect of the role of the facilitator (process management, change management) on innovation-oriented culture and team empowerment, and the effect on team creativity by mediating innovation-oriented culture and team empowerment. To this end, we surveyed members with experience in facilitating workshops at domestic companies and analyzed 299 collected data using SPSS 24 and Smart PLS 3.0. (+) had an effect. Second, innovation-oriented culture and team empowerment had a positive (+) effect on team creativity. Third, the role of the facilitator had a positive (+) effect on team creativity by mediating innovation-oriented culture and team empowerment. Through this study, the relationship between the role of the facilitator and other variables was explored and theoretically expanded, and practical implications for the role of the facilitator and enhancement of creativity required by the organization were presented.
ICT(정보통신기술)스트레스의 정서적영향과 스마트워크가 업무성과에 미치는 영향 연구
신일철,서영욱,Shin, IL-Chul,Seo, Young-Wook 한국디지털정책학회 2022 디지털융복합연구 Vol.20 No.4
선행연구에서는 정보통신기술(ICT) 근무환경의 스트레스가 조직 구성원들의 정서에 부정적인 영향을 줌으로써 업무성과를 저하시키는 것에 대한 연구가 진행 되어왔다. 그러나 현재 코로나 팬데믹 시대를 맞아서 조직 구성원들이 스마트 환경하에 재택근무하는 비율이 높아짐에 따라 긍정적 스트레스와 부정적 스트레스가 업무성과에 미치는 영향에 대한 연구의 필요성이 제기되고 있다. 이에 따라 본 연구는 정서적 사건 반응이론을 토대로 직원들이 인지하는 긍정적, 부정적 ICT 스트레스가 긍정적 감정과 부정적 감정으로 구분되는 정서적 영향을 통해 업무성과에 미치는 영향을 분석하였다. 또한 스마트워크가 업무 성과에 미치는 영향도 분석하였다. 본 설문은 리서치 전문회사에 의뢰하여 조사 하였고 Smart PLS 3.0 툴로 분석하였다. 따라서 본 연구결과를 바탕으로 스트레스가 직원들의 정서에 부정적인 영향만을 주는 것이 아니며, 목표를 달성하고자 하는 마음에서 나타나는 도전적 스트레스가 직원들의 정서에 긍정적 감정을 유발시켜 업무성과 향상에 도움이 된다는 시사점을 제시하였다. In previous studies, stress in the Information and Communication Technology (ICT) work environment was focused on lowering work performance by negatively affecting the emotions of organizational members. In the current corona pandemic era, as the ratio of organizational members working from home in a smart environment increases, the need for research on the effects of positive and negative stress on work performance is being raised. Accordingly, by applying the Affective Event Theory to the emotional effects of stress on employees' emotional responses, the effects on work performance were analyzed by dividing them into positive and negative emotions. Also, the effect of smart work on work performance was analyzed. This survey was commissioned by a research company and analyzed using Smart PLS 3.0 tool. Therefore, based on the research results, it was suggested that stress does not only negatively affect the emotions of employees, but that the challenge stress that appears in the mind to achieve a goal induces positive emotions in the employees' emotions and helps to improve work performance.