• 제목/요약/키워드: Research on the actual condition

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실제 해상교통상황 기반 선박조종 시뮬레이션 시스템 개발에 관한 연구 (A study on the development of a ship-handling simulation system based on actual maritime traffic conditions)

  • 이은규;한재석;고광현;박은비;안성필
    • 한국항해항만학회:학술대회논문집
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    • 한국항해항만학회 2022년도 춘계학술대회
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    • pp.306-307
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    • 2022
  • 최근 지능형 해상교통정보 서비스, 자율운항 시스템 등의 개발 및 검증, 고도화 과정에서 실제 해상교통상황의 구현이 가능한 선박조종 시뮬레이터와 연동하고자 하는 요구가 증대되고 있다. 본 논문에서는 실제 해상교통상황 기반 선박조종 시뮬레이션 시스템을 개발하기 위해 시뮬레이션 서버를 구축하여 지능형 해상교통정보 연계 시스템으로부터 실제 해상교통상황에 대한 정보를 수신받아 선박조종 시뮬레이터 구동을 위한 정보로 변경하였으며, 실시간 시뮬레이션 영상을 사용자에게 제공하기 위해 우리나라 무역항 및 연안항에 대한 3차원 형상 모델링과 주요 선종에 대한 3차원 형상 모델링을 수행하였다. 이렇게 개발된 시스템은 10,000척 이상의 선박의 동시처리가 가능하여 사용자가 원하는 해역에서 실제 해상교통상황을 시뮬레이션할 수 있게 함으로써 지능형 해상교통정보 서비스의 고도화, 자율운항 시스템의 개발 및 검증 등에 유용하게 사용될 것으로 예상된다.

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유아교사의 안전인식과 유아교육기관의 안전교육 실태 (A Study of the Actual Condition of Safety Education in Early-childhood Educational Institutions and Teacher's Safety Recognition)

  • 이영환;임옥희;원은실
    • 한국가정과학회지
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    • 제7권3호
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    • pp.59-71
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    • 2004
  • The purpose of this study is to emboss the importance of safety education by recognizing the instructor's thoughts on safety and the prevention of safety accidents of early-childhood through the examination, analysis of the education site of safety at early-childhood education facilities. The subject of this were 120 early-childhood teachers in the Jeonbuk areas. The data were collected using questionaries and analyzed by the statistical methods of frequencies. ANOVA with SPSS pc program. The research questions were as follows; 1. What is the understanding of early-childhood teachers on safety recognition? 2. Is there a difference in the understanding of the teacher on safety and the management of the education curriculum on safety education that is being taught at early-childhood education facilities? The main results and solutions of this study were as follows: 1. In order for early-childhood teachers to teach safety education in early-childhood education facilities, they must join a safety mutual aid association or join an insurance policy to furnish an appropriate compensation system. Also, safety education must be systematically taught at a $social{\cdot}national$ level so that teachers and young children can have an understanding on safety under the support and concern of early-childhood education facilities and administration authorities. 2. Results on the comparison of the understanding of safety education and management of actual education of teachers on the actual conditions of the education curriculum of safety education show that although teachers are aware of most items of safety education but the actual education was not being taught. This means that although the teachers are aware of the importance of safety education, the actual education is not being taught.

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스노우보드 웨어에 대한 착용 실태조사 연구 (Research on the Actual Condition of Snowboard Wear)

  • 류신아;박길순
    • 복식문화연구
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    • 제11권5호
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    • pp.721-736
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    • 2003
  • As for the purposes of the research: First, on the wearers of snowboard wear on the market, I intend to investigate contents related with purchase, price, brand, style, etc., and grasp requirements and complaints. Second, I intend to know the evaluations of users according to itemized questions on the snowboard wear on the market. Third, I like to provide basic materials by investigating itemized requirements for the development of snowboard wear. On the male & female snowboarders on a skiing ground, I carried out a preliminary investigation in December, 2001, and a main investigation from January to February, 2002. The results are as follows: 1. Many of them purchased imported quality goods, and the rate purchase was high between 20~25 year. Loose two-piece suits of different colors were preferred. The most uncomfortable part proved to be a neck part. 2. The degree of general satisfaction with the snowboard wear on the market was 4.60. And in terms of itemized evaluation, dissatisfaction was found in Clothing construction, facility of laundry and handling, price and brand rather than in style, fiber composition and tactile sensation. 3. In the investigation of the requirements in case of snowboard wear development, the most common requirement was the facility of action. I believe this should be met by study on the choice of pertinent margin and the pattern development.

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농촌융복합산업(6차산업)지구 추진실태 및 개선방안 (A Study on the Improvements and Analysis on Ongoing State of Rural Convergence Industrialization District)

  • 김경찬;문응규;이상수;구승모;이동근;손용훈
    • 농촌계획
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    • 제23권3호
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    • pp.107-120
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    • 2017
  • This study started with drawing problems of early implementation and suggesting improvement plans in order to lead a rural convergence industrialization district system to early settlement and management for its policy goals. The study aimed at 13 districts that were designated from 2014 to 2016 for analyzing an actual condition of promoting early implementation, and went ahead with it combining literature research, interview survey and specialist opinion investigation. The study examined and organized an outline, policy goal, and actual condition of rural convergence industrialization district. Furthermore, it analyzed an actual condition of promoting at each stage such as designating processes of rural convergence industrialization districts, operating body and system, regulation improvement, district supporting projects and relating projects, drew problems and finally suggested improvement plans. This study could be meaningful because it is the first study to grasp an actual condition of promoting early implementation and to remedy problems in order to manage rural convergence industrialization district system which was newly promoted since 2014 for its policy goal. In addition, it suggests that the further study of the result after managing district system for a certain period of time should be needed.

대형 비행갑판을 갖는 함정과 풍동시험 결과를 활용한 고신뢰도 함정 Airwake 예측 (High-Fidelity Ship Airwake CFD Simulation Method Using Actual Large Ship Measurement and Wind Tunnel Test Results )

  • 정진덕;조태환;이승훈;최재훈;이학민
    • 대한조선학회논문집
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    • 제60권2호
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    • pp.135-145
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    • 2023
  • Developing high-fidelity Computational Fluid Dynamics (CFD) simulation methods used to evaluate the airwake characteristics along a flight deck of a large ship, the various kind of data such as actual ship measurement and wind tunnel results are required to verify the accuracy of CFD simulation. Inflow velocity profile at the bow, local unsteady flow field data around the flight deck, and highly reliable wind tunnel data which were measured after reviewing Atmospheric Boundary Layer (ABL) simulation and Reynolds Number effects were also used to determine the key parameters such as turbulence model, time resolution and accuracy, grid resolution and type, inflow condition, domain size, simulation length, and so on in STAR CCM+. Velocity ratio and turbulent intensity difference between Full-scale CFD and actual ship measurement at the measurement points show less than 2% and 1.7% respectively. And differences in velocity ratio and turbulence intensity between wind tunnel test and small-scale CFD are both less than 2.2%. Based upon this fact, the selected parameters in CFD simulation are highly reliable for a specific wind condition.

지뢰제거복의 착용실태에 관한 기초조사연구 (A Research on The Actual Condition of Demining Suit Wearing)

  • 최혜선;손부현
    • 한국의류학회지
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    • 제25권2호
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    • pp.259-267
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    • 2001
  • The purpose of this study is to find out the actual condition of demining suit wearing for developing a new demining suit. The existing clothes fro detecting or demining work are lack of security, activity, and comfort. Especially, the lack of protection on the limbs and the head, and the lack of protection of its own fabrics themselves are problems in security. Developing new demining suit should consider security, activity, and facility for putting on and off the clothes with comfort. And first of all, protection from the fragments should be considered. For the improvement of the activity, flexibility, lightness, and simplicity with suitable size with minimum bulk should be considered. In adjustment, the facility is more important than the strength and the newly developed material for protection need lightness, too.

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거실공간과 가구사용에 대한 주부와 여대생의 의식 및 실태 (A Study on the Attitude and the Actual Condition between Housewives and Woman University Students about Furniture Usage and Living Room)

  • 임소연
    • 대한가정학회지
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    • 제33권4호
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    • pp.289-300
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    • 1995
  • The purpose of this study was to suggest usage that all family members could find satisfaction in the way to use furniture and living room. First of all, methods of research for this purpose were to grip on the points of difference and sameness on the attitude and the actual condition about furniture usage and living room between housewives and woman university students. To make analysis the data, frequency, $\chi$2-test, t-test, F-test and factor analysis were used. The major results are as follows ; 1. There were significant differences in the using time, time zone and life behavior in living room. 2. In furniture usage, housewives and woman university students have significant differences. 3. According to the results of making investigation into degree of satisfaction abut furniture and living room usage, housewives and woman university students have significant differences.

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건설업 지붕작업의 재해분석 및 실태조사 (Accidents Analysis and Research on Risk of the Actual Conditions in Roof Works)

  • 최돈흥;최진우;신운철
    • 한국안전학회지
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    • 제27권5호
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    • pp.111-116
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    • 2012
  • This study analyzed the accidents and researched on risk of the actual condition in roof works. This study revealed that 68% of accidents in roof works occurred on small sized construction sites. And 79% of accidents are caused by fall. It is simply because most laborers do not wear the safety harness and the mounted equipment is not properly installed. According to our research, we realize that most of roof works have some risk of the fall accidents. Most of roof working sites have the danger of falling at ladder and temporary walkway. In oder to prevent accidents in roof works, the basic rule such as wearing the safety harness must be followed.

커피숍 실내조경에 관한 경영자의 의식 및 실내조경현황 (A Study on the Actual Conditions and Consciousness of the Managers in the Interior Landscape of Coffee Shop)

  • 박소영;안옥희
    • 한국조경학회지
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    • 제25권4호
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    • pp.51-60
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    • 1998
  • The purpose of this study was investigating the managers' consciousness on the interior landscape in coffee shop, the actual measurement of the space size and greenary spaces of coffee shop for grasping the actual condition of interior landscape. The coffee shop was made and object of this research was 100 cases in the center of Taegu city. The major results of actual measurement of the ratio greenary and spaces are as follows; 1. The ratio greenary spaces in the indoor plants was account for 2.06% of the coffee shop area. 2. The managers recognized that the spaces area of the interior plantscape were narrow comparison with whole spaces area about the interior landscape. 3. A major arrangement type of the interior landscape was the dispersion type. 4. A major plants used for the interior landscape were foliage plants and also most of managers prefered foliage plant. 5.Generally, managers were high interested in the interior landscape but the experience knowledge and investment in the interior landscape were not sufficient.

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