• 보건교육건강증진학회지
• /
• 제25권3호
• /
• pp.153-165
• /
• 2008

Objectives: The purpose of this study was to understand health-promotion behaviors and to find factors associated with the behaviors among Korean-Chinese workers who live in Korea. Methods: The number of Korean-Chinese workers participated in this study was 187, and the sample was chosen using a convenient sampling method. To understand general characteristics, frequencies and percentages were utilized. To examine the seven categories of health-promotion behavior, their average scores were calculated. To explore factors related to health-promotion behaviors, a multiple stepwise regression analysis was performed. Independent variables used for the analysis were self-concept, social support, stress, perceived health status, and demographics. Results: The average score of the seven health-promotion behaviors was 2.35. Of the seven subcategories of health-promotion behaviors, the scores of rest/sleep and self-actualization were relatively higher; the scores of exercise and stress management were relatively lower. Of demographics and four factors of main interest (i.e., self-concept, social support, stress, perceived health status), education level, types of residence, social support, and perceived health status remained statistically significant. Among the four factors, social support had the greatest impact on health-promotion behaviors. Conclusions: This study has two suggestions. First, it is needed to develop strategies, which can help Korean-Chinese workers enhance levels of health-promotion behaviors regarding stress management and exercise. Second, considering the greatest effect of social support on health-promotion behavior, it is necessary to strengthen social support among Korean-Chinese workers.

• 대한간호학회지
• /
• 제30권3호
• /
• pp.595-605
• /
• 2000

The purpose of this study was to describe the perceived burden of the stroke patient's caregiver and related factors to analyze relationships between perceived burden and social supports. A convenient sample of 225 caregivers who take care for a stroke patient at home participated in this study. Caregiver's perceived burden was measured by the objective and subjective burden scale developed by Montgomery (1985). Related factors of burden were studied in terms of the patient's instrumental activties of daily living, cognitive function, caregiver's demographic variables and caregiver's illness intrusiveness. The results were as follows: (1) The mean of objective burden score was 4.5, and subjective burden score was 3.1. These scores show that caregivers perceive moderate level of burden. (2) Caregivers' objective burden was significantly related to caregivers's illness intrusiveness (r=.62), patient's IADL (r=-.33), and patient's cognitive function (r=-.15). The subjective burden was related to the caregiver's illness intrusiveness (r=.29), the patient's IADL (r=.24), and the caregiver's age(r=.23). (3) The percentage of stroke caregivers who perceived physical support was 49.1%. The percentage of those who perceived emotional support was 61.0%, and those who perceived financial support totaled 37.6%. (4) Caregivers who received any type of social supports perceived lower subjective burden, and caregivers who received physical or psychological support perceived lower objective burden. These results emphasized the necessity of a rehabilitation programs for stroke patients and support program for family caregivers.

• 한국철도학회:학술대회논문집
• /
• 한국철도학회 2011년도 춘계학술대회 논문집
• /
• pp.1618-1628
• /
• 2011

The Train Diagnostic and Control System(TDCS) has been equipped on the modern Metro Vehicle, Locomotive and High Speed Train. The main purpose of this system is to support the identification of train status by real-time, the fast action against such failure events during revenue service and the fast convenient maintenance processes. Some of newest TCMS, a kind of control and monitoring system, has participated in the main control functions such as pantograph up and down, powering and braking command and so on. But these kind of control functions of the high speed train which has the operating speed over 300km/h are conducted by the train electrical logic circuits. The KTX-I and KTX-II - the local high speed train, are the typical example. The next generation TDCS for the ongoing project of distributed high speed train(HEMU) is designing with the target to increase main train control functions, to increase the reliability/avalibility and to increase the convenient driving. This paper introduces the overall configurations and functions of the new generation TDCS.

• 의료ㆍ복지 건축 : 한국의료복지건축학회 논문집
• /
• 제12권2호
• /
• pp.79-91
• /
• 2006

The purpose of this study is to suggest institutional reformation of public office facilities by analysis the status of services on welfare for the aged and disabled. For this study, we have researched and analyzed on two different aspects. The aspects are space composition of public office facilities, welfare systems and service support within region. And we can get the following important points as conclusion; (1) We need to consider on not only access for public office facilities site but also the connection on business such as block plan on zone and connection between quarters. Architectural plan has to be considered. (2) Most of the public office facilities use human service resources as a supporting system for shortage of convenient facilities. Variety of welfare services are required. (3) We need to secure various programs and space for local peculiarities and social demand.

• Geomechanics and Engineering
• /
• 제25권1호
• /
• pp.17-30
• /
• 2021

This paper develops a convenient approach for deterministic and probabilistic evaluations of tunnel face stability using support vector machine classifiers. The proposed method is comprised of two major steps, i.e., construction of the training dataset and determination of instance-based classifiers. In step one, the orthogonal design is utilized to produce representative samples after the ranges and levels of the factors that influence tunnel face stability are specified. The training dataset is then labeled by two-dimensional strength reduction analyses embedded within OptumG2. For any unknown instance, the second step applies the training dataset for classification, which is achieved by an ad hoc Python program. The classification of unknown samples starts with selection of instance-based training samples using the k-nearest neighbors algorithm, followed by the construction of an instance-based SVM-KNN classifier. It eventually provides labels of the unknown instances, avoiding calculate its corresponding performance function. Probabilistic evaluations are performed by Monte Carlo simulation based on the SVM-KNN classifier. The ratio of the number of unstable samples to the total number of simulated samples is computed and is taken as the failure probability, which is validated and compared with the response surface method.

• 한국콘텐츠학회논문지
• /
• 제14권12호
• /
• pp.796-807
• /
• 2014

본 연구의 목적은 남자 간호대학생의 성역할 갈등, 학업스트레스 대처, 사회적 지지가 대학생활 적응에 미치는 영향을 파악하기 위함이다. 경기도, 충청도, 경상도 소재의 4년제 간호학과 6곳에 재학 중인 남학생 225명을 대상으로, 2014년 4월 1일부터 6월 4일까지 자가 보고식 설문조사로 시행되었다. 연구결과, 학업스트레스 대처(${\beta}=0.33$, p<.001)가 가장 큰 영향력을 나타내는 변수로, 남자 간호대학생의 대학생활 적응을 약 22%설명하였다. 또한 전공만족도, 사회적지지, 성역할 갈등, 동아리 활동 순으로 대학생활 적응에 영향을 주는 것으로 나타났으며, 이들 전체 변수는 대학생활 적응에 대해 약 33%의 설명력을 나타냈다(F=23.50, p<.001). 그러므로 남자 간호대학생의 학업스트레스 대처능력 강화와 성역할 갈등을 해결하기 위한 프로그램 개발과 교수, 선후배로 구성된 사회적 지지망 구축이 대학생활 적응력 향상을 위해 도움이 될 것으로 사료된다.

• Structural Engineering and Mechanics
• /
• 제74권5호
• /
• pp.635-655
• /
• 2020

The sag effect of long stay cables is one of the key factors restricting further increase in the span of cable-stayed bridges. Based on the formerly proposed concept of long stay cables lifted by an auxiliary suspension cable in cross-strait cable-stayed bridges, corresponding static approximate calculations and analytical theory based on catenary and parabolic cable configurations are established. Taking a main span 1400 m cable-stayed bridge as the research object, three typical lifting conditions and the whole process of auxiliary cable lifting are analyzed and discussed. The results show that the sag effect is effectively reduced. The support efficiency is only improved when the cables are lifted above the original cable chord. Reduction of the horizontal component force of the cable is limited. The equivalent elastic modulus and the vertical support stiffness of the lifted cables are significantly increased with increased horizontal projection length and not sensitive to the change of the lifting point position. The scheme of lifting the cable to the chord midpoint is more economical because of the less steel required for the auxiliary suspension cable, but its effect on improving the vertical support efficiency is limited. The support efficiency is better when the cable is lifted to the cable end tangential to the original cable chord, but the lifting force and the cross-sectional area of the auxiliary suspension cable are doubled. The approximate calculation results of the lifted cables are very close to the numerical analysis results, which verifies the applicability of the approximation method proposed in this study. The results of parabolic approximation calculations are approximately equal to that of catenary cable geometry. As the parabolic approximation analysis theory of lifted cables is more convenient in mathematical processing, it is feasible to use parabolic approximation analysis theory as the analytical method for the conceptual design of lifted cables of super-long span cable-stayed bridges.

• 한국보육지원학회지
• /
• 제8권1호
• /
• pp.5-24
• /
• 2012

본 연구는 육아정책연구소의 2008년 한국아동패널 대표집을 이용하여 지역사회의 육아 지원과 사회적 지원에 대한 취업모와 비취업모의 인식을 살펴보았다. 연구대상은 취업모 654명, 비취업모 1,416명으로 총 2,070명이었다. 연구결과는 다음과 같다. 첫째, 취업모와 비취업모의 50% 이상은 보육시설이, 45% 이상은 유치원과 사설교육기관이 충분하다고 보았다. 또한 취업모(52%)가 비취업모(45%)보다 공공 여가 공간/시설 이용이 더 편리하다고 보았고 비취업모(80%)가 취업모(73%)보다 문화시설 이용이 더 불편하다고 보았다. 그리고 취업모와 비취업모의 절반 정도가 지역사회의 치안과 안전사고 측면이 비교적 안전하다고 인식하였으며, 지역사회의 전반적 양육 적절성은 집단간 차이없이 80% 이상이 보통 이상으로 인식하였다. 둘째, 취업모가 비취업모 보다 전반적으로 사회적 지원을 더 많이 받는 것으로 인식하고 있었고 주변에서 나에게 관심을 가지고 걱정을 해 주거나, 물품이 필요할 때 빌려주거나, 일손이 필요한 경우 도움을 받거나, 집안 길흉사에 서로 방문하거나, 여가나 휴가 때 같이 놀러가는 사회적 지원에 있어서는 두 집단간 차이가 있었다.

• 한국항공우주학회지
• /
• 제43권7호
• /
• pp.601-608
• /
• 2015

유연날개의 공력 및 구조 설계값을 설계 변수로 하여 정적 상태에서의 정적 공탄성해석 및 최적화를 수행하였다. 정적 공탄성해석과 최적화를 위해 상용 해석소프트웨어들이 연계된 강건한 다분야 최적설계 시스템을 개발하였다. 최적화 설계변수로는 가로세로비, 테이퍼비, 후퇴각과 날개 위아래 스킨 두께를 설정하였다. 전역적 다목적 최적화를 위해 실수기반 적응영역 다목적 유전자 알고리즘을 적용하였으며 계산시간을 줄이기 위해 메타모델로 서포트벡터회귀 기법을 적용하였다. 유연날개에 대한 파레토 결과 분석을 통해 최대 항속시간과 최소 중량에 대한 최적 결과를 확인하였다.

• 인터넷정보학회논문지
• /
• 제18권5호
• /
• pp.47-53
• /
• 2017

고처리 시퀀싱과 빅데이터 및 크라우드 컴퓨팅에 혁신이 일어나면서, RNA 시퀀싱도 획기적인 변화가 일어, RNAseq가 기존의 DNA 마이크로어레이를 대체하여, 빅-데이터를 형성하고 있다. 현재, RANseq 이용한 유전자 조절망(GRN) 까지 연구가 활성화 되고 있는데, 그 중 한 분야가 GRN의 기본 요소인 특징 유전자를 빅-데이터에서도 구별하고 기존에 알려진 것 외에 새로운 역할을 찾는 것이다. 그러나, 이러한 연구 방향에 부합하는 빅-데이터를 처리할 수 있는 컴퓨테이션 방법이 아직까지 매우 부족하다. 따라서 본 논문에서는 RNAseq 빅-데이터를 처리할 수 있도록 기존의 SVM-RFE알고리즘을 밀집도-의존 정규화에 병합하여, NCBI-GEO와 같은 빅-데이터에서 공개된 일부의 데이터에 개선된 알고리즘을 적용하고 해당 알고리즘에 의해 나온 결과의 성능을 평가한다.