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정현태,Jeong, Hyeon-Tae 한국품질경영학회 1986 품질경영학회지 Vol.14 No.1
Many papers have suggested various models how to decide an optimal time for replacing equipment. In this study, Dynamic Programming is applied to establish a model of replacing equipment and a new algorithm is developed for computerization to meet the increased number of variables. It is possible to predict the real situation with higher accuracy by employing the proposed model including more variables such as planning horizon, original cost, salvage value, decreasing rate, operating and maintenance costs, increasing rate, and so on.
정현태,김가규,노경주,임정묵,임지연,정승은,Jeong, H.T.,Kim, G.G.,Noh, K.J.,Lim, J.M.,Lim, J.Y.,Chung, S.E. 한국전자통신연구원 2022 전자통신동향분석 Vol.37 No.1
Human behavior and emotions are influenced by experiences accumulated through the past and present. To realize artificial intelligence technology that understands and sympathizes with humans, cognitive computing technology that automatically analyzes human behaviors, habits, and emotions associated with specific situations and uses past data and domain knowledge is required. In this study, we examine the latest research trends on human-understanding cognitive computing technology that recognizes human behavior and emotions, stores them as experience data, and provides services by analyzing the stored data. Further, we introduce high-quality data collection research in real-life and services for improving physical and mental health. We also review key issues essential for developing these technologies.
정현태,김가규,노경주,임지연,정승은,Jeong, H.T.,Kim, G.G.,Noh, K.J.,Lim, J.Y.,Chung, S.E. 한국전자통신연구원 2017 전자통신동향분석 Vol.32 No.4
본고에서는 인지증강을 위한 서비스, 경험정보 인식 기술과 경험정보 모델링 기술에 관한 동향을 살펴본다. 경험정보 기반 인지증강 서비스를 위해 기존의 센서 데이터 중심의 인식 기술과 더불어 개인 경험상황의 특징을 고려한 인식기술에 관한 연구와 다수의 이질적인 경험 데이터를 기반으로 한 사용자 특정 패턴분석을 위한 경험정보 모델링 및 분석 기법에 관한 지속적이고 폭넓은 연구가 필요하다.
대학 동아리 활동에 따른 여가만족이 생활만족에 미치는 영향
정현태(Hyun Tae Jeong),최혜련(Hye Leon Choi),최장호(Jang Ho Choi) 한국사회체육학회 2011 한국사회체육학회지 Vol.0 No.46
This experiment began to reveal how college club experiences can bring upon greater happiness and cause a change in an individual`s entire lifestyle. In order to achieve this task, I surveyed 461 college students; asking them questions related to their club experience, position in the club, the character that the club developed, how active one was in the club, the period of time one was active in the club, leisurable satisfaction and their happiness as a whole. These questions were asked to the random sample of college students to measure the reliability and propriety of the students feelings, and to find the average and the range of the different responses that were collected. In order to find out the students` leisure satisfaction of the club, there was a variance and regression analysis to find a deviation from the mean. Furthermore, I had even greater analyses to find the relationship between leisure satisfaction and life satisfaction. The results of this experiment were as follows: the majority of the students that I surveyed showed a great correlation between leisure and life satisfactions. Moreover, there was a great difference in the feeling of life fulfillment in those who held authoritative positions felt a greater difference in their vision upon their lives and that they felt things a bit differently from others that were just members of the club.