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EMG센서를 이용한 실시간 무릎 관절 모멘트 측정 모델 개발
김성남(Seongnam Kim),남윤수(Yoonsu Nam) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.5
This paper introduces a real- time calculation model to estimate knee joint moment using EMG sensor. It is possible to estimate knee joint moment combining Hill-type muscle model, analytic results on moment arm, musculotendon length and muscle activation. Muscle activation could be measured by signal processing and activation dynamics.
철도 고객만족서비스 향상을 위한 이용자 행동에 관한 연구
김성남(Kim Seongnam) 한국철도학회 2003 한국철도학회 학술발표대회논문집 Vol.- No.-
For continuous improvement of the railway customer satisfaction service, more objective evaluation and development system for software and hardware shall be built. The entire activity of railway customer is the interface between the customer and software/hardware services. Customer"s activity was investigated by participating observation and objective observation, and considering the connection of all the activities, it was divided into 9 categories and 43 items. Although the detailed activity of customer would vary per item, they show more than 430 different activities under general condition. Also, the customer"s activity varies according to the numerous variants such as physical, mental, environmental and cultural features. Especially, as lots of changes, diversification and high-quality of railway industry are expected according to the middle and long term plan on railway industry development, it is necessary for experts in various fields to perform cooperative research aggressively to improve the customer satisfaction service continuously based on continuous customer activity research.
이선복(Seonbok Yi),이준정(June-Jeong Lee),김성남(Seongnam Kim) 한국상고사학회 2005 한국상고사학보 Vol.49 No.-
베트남 북부 호아빈 성 일대에 산재한 호아빈 문화 유적에 대한 AMS 연대측정 결과는 호아빈 문화가 18,000 B.P. 이전에 확립되었음을 말해준다. 항쪼 유적 발굴에서는 모두 13개의 호아빈 문화층이 19,000 B.P.에서 9,000 B.P. 사이에 걸쳐 형성되었음이 확인되었다. 연대측정치, 퇴적층 구성상의 특징, 동물 자료 및 석기군의 특징에서 나타나는 변화의 양상은 호아빈 문화의 담당자들이 플라이스토세 말의 변화하는 환경 조건에 대응하는 적응 전략을 구사해 나갔음을 보여준다. 호아빈 문화 편년 체계와 적응 모델 수립을 위한 최초의 시도로서, 항쪼 유적의 자료는 호아빈 문화에 대해 적어도 3~4개의 분기로 구성된 편년 체계를 설정할 수 있음을 시사해 준다. AMS dating of the Hoabihnian sites in the Hoa Bihn Province in northern Vietnam suggests that the Hoabihnian Culture was already established by 18,000 B.P.. Excavation at the site of Hong Cho revealed 13 Hoabihnian levels cobering a period between ca. 19,000 B.P.. AMS dates and changes in lithological composition of deposits, as well as characteristics in fauna and lithic assemblage, suggest changing adaptive strategies adopted by the Hoabihnian under fluctuating climatic conditions. As the first attempt to establish the chronology and the adaptive model of the Hoabihnian, we suggest with the Hang Cho data to subdivide the Hoabihnian into several phases.