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서울시 일부 급수지역에 대한 경제적 배수지 설치표고 평가
김원만,옥삼복 ( Won Man Kim,Sam Bok Ok ) 한국물환경학회 1993 한국물환경학회지 Vol.9 No.1
In this study, it is necessary to consider the established conditions such as water supply capacity, diameter and types of pipeline, the lenghth of pipeline and various assumption in order to decide the low water level of the economical elevation of distribution reservoir by using water tap distribution. However, as these assumed conditions could be changed considerably according to the regional circumstances, investigating distribution ratio of water tap in each elevation in the distribution reservoir installation area could calculate a general formula in order to obtain the best low water level of the distribution reservoir installation elevation. Therefore, if we investigate the distribution of a water tap in the distribution reservoir installation area 30m(above sea level) to the highest by every l0m by using this general formula it is possible to find out applicable and appropriate low water level of the best installation elevation of the reservoir. Let He(m) be the most economical installation elevation of distribution reservoir in the same distribution sector, R_(W1)(%) be the largest distribution ratio of water tap in the elevation classified by every l0m, R_(W2)(%) be the distribution ratio of water tap in l0m higher than that of R_(W1). Following formula was calculated by analyzing the relationship between He, R_(W1)-R_(W2). He=7,692/(R_(W1)- R_(W2))+84
급수전분포에 따른 배수지의 경제적 표고선정에 관한 연구
김원만,옥삼복 ( Won Man Kim,Sam Bok Ok ) 한국물환경학회 1992 한국물환경학회지 Vol.8 No.2
This study was carried out to select the most economical altitude of distribution reservoir to minimize electric cost that is the major portion of costs for the maintenance of water supply service system. The water distribution patterns by the altitude in Seoul have been classified into three types. As required pressure and area(required eletric power ratio) (y) by the water tap distribution altitude is the function of economical distribution reservoir altitude (x), the equations are summarized as follows; 1. Majority of the water taps are located in lower altitude : case I y=0.010x² -0.600x+102.000 Economical distribution reservoir altitude(45.0m) 2. Maiority of the water taps are located in higher altitude : case II y=0.013x²-1.500x+164.000 Economical distribution reservoir altitude(72.7m) 3. Water taps are evenly located in both lower and higher altitued: case III y=0.010x²-0.902x+129.030 Economical distribution reservoir altitude(61.0m)
발달 장애 아동의 행동 및 생리적 정보를 통한 딥러닝 기반 참여도 분류
옥수빈(Subin Ok),성민우(Minwoo Seong),김원(Won Kim),전화승(Hwaseung Jeon),이지원(Jiwon Lee),김경중(Kyungjoong Kim),김승준(Seungjun Kim) 한국HCI학회 2022 한국HCI학회 학술대회 Vol.2022 No.2
본 연구에서는 발달 장애 아동의 행동적, 생리적 정보를 통해 참여도를 분류할 수 있는 딥러닝 모델을 제시하였다. 발달 장애 아동 21 명을 대상으로 아동이 체육 기반 인터렉티브 콘텐츠를 수행할 때 아동의 생체 및 행동 데이터를 웨어러블 디바이스를 사용하여 수집하였다. 데이터는 가속도, 피부 전도도, 체온, 스켈레톤 데이터, 콘텐츠 수행의 성공/실패 여부, 그리고 참여도 총 6 종류의 데이터를 수집하였다. 본 연구에서 제시한 모델은 Convolution 1D 레이어 4 개와 FC 레이어 1 개로 이루어진 CNN 기반의 모델로, 모델 최적화를 위해 매개변수, 데이터 종류, 모델 구조 변화에 따른 정확도 비교를 진행, 최적의 모델을 도출하였다. 본 연구에서 제안한 모델이 기존 연구에 사용된 SVM, RF 등과 같은 모델과 비교하였을 때 뛰어난 성능을 보임을 확인하였으며 이후 실시간으로 아동의 참여도를 측정할 수 있는 도구를 개발할 수 있을 것으로 기대된다.
박진희 ( Jin Hee Park ),김용순 ( Yong Soon Kim ),김원옥 ( Won Ok Kim ) 한국의료윤리학회 2009 한국의료윤리학회지 Vol.12 No.3
In today`s rapidly changing and technologically sophisticated health-care environment, nurses frequently encounter ethical issues in caring for patients. While ethical values have always been a part of nursing education, the resources needed for ethics education have not always been readily available to nursing students and practicing nurses. This review aims to describe the state of nursing ethics education in Korea and provide insights into its requirements and priorities. In order to train nurses to participate in ethical decision making, more contemporary models of ethics education are being implemented in nursing programs. It is important for nurse educators to understand that ethics education should provide students with ways of conceptualizing ethical dilemmas and arriving at practical solutions. Furthermore, we argue that there is a need to develop Web-based continuing-education courses to enhance nurses` ethical decision-making and advocacy roles.