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오태일(Tae Il Oh),이상준(Sang Jun Lee),김정순(Jong Soon Kim) 대한공업교육학회 1999 대한공업교육학회지 Vol.24 No.2
To identify the characteristics about the motion of a vehicle, it is often necessary that the inertia properties of the powertrain on the vehicle should be gained, and these values are very important data in the analysis of a vehicle dynamics. But it is not easy that we get the inertia properties of the powertrain for the complexity of the shape. This paper introduces the procedure to obtain the inertia properties using the approach of an experimental modal analysis. The properties of six rigid body modes are obtained by exciting the powertrain fixed in strong steel stands in low frequencies of the band 0 ∼ 40 Hz, and the inertia properties are derived from the values such as frequencies and mode shape vectors about the six rigid body modes. Several mathematical methods based on the theory of modal analysis are used to estimate the inertia properties. It is expected that this type approach will be used in increasing number applications during estimation of inertia properties for vehicle dynamics analysis.
오태동(Tae Dong Oh),이준수(Jun-Soo Lee),오재인(Jay In Oh) 한국IT서비스학회 2010 한국IT서비스학회지 Vol.9 No.4
The purpose of this study is to investigate the relationship among users perception on the characteristics of U-Services, attitude factors as mediating variables, and behavioral intention toward U-Services as the dependent variable. Based on the literature review on the related theories, the research model which analyzes the behavioral intention toward U-Services was developed. The result from the analysis of the data collected validated the U-Services Acceptance Model (USAM) proposed in this study as a sound construct framework. Futhermore, significant insights on the USAM were provided for the stakeholders and future researchers in the field of U-Services Acceptance.
대학체육 시간강사의 직무 스트레스와 직무 열의의 관계 : 극복력의 매개 효과검증
오태한(Oh, Tae-Han),김덕중(Kim, Duk-Jung) 한국체육과학회 2019 한국체육과학회지 Vol.28 No.5
The purpose of this study was to verify the mediated effects of coping power in the relationship between job stress and job enthusiasm of college sports part-time lecturers. The participants were collected from 215 part-time lecturers majoring in physical education, either from a physical education college or from a liberal arts college, using the method of extracting snowballs. Survey tools were used by modifying and supplementing questionnaires used in prior research. Considering the characteristics of part-time lecturers, researchers and research assistants visited the data in person to collect the data considering the time and location of the participants of this study. The collected data were frequency analysis, factor analysis, correlation analysis, simple regression and multiple regression analysis through the SPSS statistical program, and the significance verification of indirect effects was utilized by the Sobel test technique. The results were as follows. First, job enthusiasm the job stress of college sports part-time lecturers had a negative (-) effect on job enthusiasm. Second, in the relationship between the job stress and job enthusiasm of a physical education-related part-time lecturer, the coping power was a complete mediated model. Through this study, it would be expected to derive various follow-up studies that could alleviate the job stress of college sports part-time lecturers and improve their job enthusiasm.
정규수업 전 스포츠활동 참여시 공감능력 및 친사회적 행동의 관계 분석
오태한,김덕중 한국웰니스학회 2019 한국웰니스학회지 Vol.14 No.4
이 연구는 정규수업 전 스포츠활동 참여에 따른 공감능력, 친사회적 행동의 변화를 살펴보기 위하여 실시하였다. 연구 대상자는 초등학교 5∼6학년 학생 123명을 대상으로 실시하였다. 연구대상은 실험집단(n=63)과 통제집단(n=60) 두 집단으로 구분하였고, 실험집단은 정규수업 전에 실시하였으며, 운동장에서 주 5회, 1회 운동 시 20~30분, 총 12주간 실시하였다. 정규수업 전 스포츠 활동이 학생들의 공감능력 및 친사회적 행동에 미치는 효과를 분석한 결과 다음과 같이 나타났다. 학생들의 공감능력을 파악한 결과 공감능력의 하위척도 중 공감적 각성과 공감적 관심에서 차이를 보였으며 친사회적 행동의 하위척도 중 도움주기, 위안하기 등에서 실험집단이 사전에 비해 사후에 유의하게 증가(p<.05)한 것으로 나타났고, 유의한 효과성(p<.05)을 보였다. 따라서 정규수업 전 규칙적인 스포츠 활동은 개인의 공감능력 및 친사회적 행동에 긍정적인 효과가 있는 것으로 판단된다. This study was conducted to investigate the changes in empathy and prosocial behavior according to participation in sports activities before regular classes. The subjects of this study were 123 grade 5∼6 students in elementary school. The study subjects were divided into two groups: experimental group(n=63) and control group (n=60). The experimental group was conducted before regular class. A total of 12 weeks. As a result of analyzing the effects of regular class sports activities on students' empathy and prosocial behavior, the results were as follows. As a result of understanding the empathy ability of students, there was a difference in sympathetic awakening and sympathetic attention among the subscales of empathy ability. Significantly increased (p<.05) and showed significant effect (p<.05). Among the subscales of prosocial behavior, there was a significant increase (p<.05) in the experimental group in helping and comforting. Therefore, regular sports activities before regular classes seem to have a positive effect on individual empathy and prosocial behavior.