• 한국항공운항학회지
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• 제18권3호
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• pp.84-91
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• 2010

New aircraft category such as Light Sport Aircraft is introduced to prevent Ultralight Vehicle accidents and to promote aviation sports. Therefore, a new rule for airworthiness standard, certification, operation and maintenance of light sport aircraft is being created. The present study deals with LSA concept, development trend of LSA, airworthiness standards and certification policy. In particular, an aircraft type analysis of FAA certified LSA is conducted to establish performance requirements of Light Sport Aircraft designs.

• International journal of advanced smart convergence
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• 제8권4호
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• pp.161-168
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• 2019

Traffic accidents in tunnel can lead to large traffic accidents due to narrow and dark road characteristics. Therefore, special care of the driver is required when is driving in a tunnel. However, accidents can happen at any time. In the event of an accident, a narrow road structure may lead to a second accident. Therefore, all facilities installed inside the tunnel should be allowed to minimize damage in the event of an accident. We confirmed the safety of the collision target through the action of the sedan, Sport Utility Vehicle (SUV) and truck when the vehicle crashed into a stairway installed on the tunnel emergency escape route, and when a concrete barrier or guard rail was installed in front of the stairway. The behavior of the vehicle has resulted in a total of three results: rollover or rollover, change of speed and angle of the vehicle after collision. The sedan and SUV were the most secure when colliding with the guardrail, but considering the truck as a whole, concrete barriers were judged to be the most suitable for minimizing damage from the first accident and reducing the risk of the second accident.

• 한국자동차공학회논문집
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• 제24권1호
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• pp.24-32
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• 2016

The mortality rate of car-pedestrian accidents is quite high, compared to the frequency of accidents. Researches on pedestrian protection are being actively performed worldwide. The A-pillar and lower part of the wind shield cause the most serious damage to the pedestrians. Typical devises to protect the pedestrians are the hood lift system and pedestrian airbag. The design of such devices for an sport utility vehicle is performed based on a design process using design of experiments (DOE). The design results are obtained by an orthogonal array (OA), analysis of mean (ANOM) and analysis of variance (ANOVA). A metamodel is also used in the design process.

• Journal of Sport and Applied Science
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• 제6권3호
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• pp.1-7
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• 2022

Purpose: The purpose of this study is to provide basic data for developing an educational program that can be practically applied in the field of survival swimming education. Research design, data, and methodology: This study reviewed prior literature including governmental reports, journal articles related to survival swimming programs at home and abroad. Based on the basic data collected through literature, domestic and foreign educational institutions and national educational programs were cataloged and analyzed. Results: The study found that among the goals of swimming education, the prevention of water accidents and the cultivation of water safety skills along with improving swimming ability are very important educational goals. Currently, domestic survival swimming education programs are divided into classes and training sessions, so it is necessary to develop an educational program according to each individual's swimming ability and a unified and systematic program through education for each level of survival swimming learners. Conclusions: It is thought that the reinforcement of the leader's capacity for quality improvement will have a positive effect for the development of survival swimming. Further implications were discussed.

• 환경정책연구
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• 제2권1호
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• pp.1-29
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• 2003

This paper examines the dynamics of environmental policy development in Korea by reviewing some of the ways on how the policy windows have been opened. There are a lot of theoretical arguments about the major factors influencing policy development or changes. Many scholars have believed that severe pollution accidents or salient environmental episodes might have been the main motivation of environmental policy development. This line of argument seems valid, especially with the water pollution control policy in Korea. Water pollution control programs had rapidly expanded along with the series of water pollution accidents in the tap water sources from the late 1980s to mid-1990s. However, regarding other major env. issues, various other factors have played more important roles in the development of the relevant policies. In case of air pollution control policy international sport events such as, 1986 Asian Games, 1988 Summer Olympics, and 2002 World Cup Competition, have contributed for the development. The municipal solid waste management policy partly owed its development to the introduction of local autonomy system in the mid-1990s. Even the foreign currency crisis occurring in December 1997 helped the policy paradigm shift from rigid supply-oriented to soft demand-oriented approaches. After closely looking at the dynamics of environmental policy development in Korea, this paper tries to identify the logical background of the observed outcomes.

• 한국측량학회지
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• 제7권1호
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• pp.27-35
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• 1989

교통사고분석처리에 있어서 거리측정기를 가지고 측정하는 것은 정확도 및 보존관계에 문제를 야기하고 있기 때문에 유럽 및 일본에서 사용하는 스테레오카메라를 사용하여 현장에서 직접 촬영하였다. 촬영 및 기준점측량의 시간을 비교하였고 입체모델에서 삼차원좌표를 측정 계산한 후 전용도화기PAMS을 이용하여 현장도를 작성하여 사고원인을 분석하였고 또한 사고차양을 모델로 하여 차양충돌후의 각도, 핸들의 방향실손양을 계산하여 사고처리에 대한 활용방안을 제시하였다.

• 한국자동차공학회논문집
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• 제16권4호
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• pp.8-13
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• 2008

Since hundreds thousands of pedestrians are killed or injured in car accidents every year, a variety of research efforts have been performed to protect pedestrians in pedestrian-vehicle crashes. The IHRA reports that injuries on the child head, the adult head, and the adult lower leg/knee are the most critical in the crashes. Identifying the current status of international activities on pedestrian protection, this study, in particular, carries out headform impact test using selected domestic vehicles categorized by three groups - Sedan, SUV (Sport Utility Vehicle), and 1 Box (One Box) Vehicle. According to the valuable findings from the test results, this paper proposes a methodology under which the Korean Technical Regulation for protecting pedestrians in pedestrian-vehicle crashes will be developed.

• 한국운동역학회지
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• 제19권3호
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• pp.567-580
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• 2009

본 연구에서는 복합운동프로그램이 근골격계 요통환자들의 생체역학적 기능회복에 미치는 영향을 알아보기 위해 43명의 산업재해 요통환자들을 대상으로 프로그램 효과를 분석하였다. 분석 결과 복합운동프로그램이 요부근력과 근지구력을 유의하게 증가시켜 요부기능회복에 긍정적으로 작용하였고, 요통으로 인해 낮아진 유연성을 증가시켜 정상인 수준으로 높일 수 있는 것으로 나타났다. 또한 복합운동 프로그램이 자세의 교정 및 척추변형 정도의 개선에 효과적으로 기여하는 것으로 나타났고 들기, 사회생활, 통증지속시간, 통증발생빈도 감소에 효과적으로 기여하는 것으로 나타났다. 결국 본 연구의 결과 복합운동 프로그램이 작업관련성 요통환자들의 문제점을 개선하는데 효과적이고 적합하다는 사실을 알 수 있었다.

• 디지털융복합연구
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• 제16권7호
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• pp.461-467
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• 2018

본 연구의 목적은 융 복합 시대 스키 리조트 안전사고(스키, 스노보더) 상해유형의 차이를 검증하여 보다 개선된 안전관리 방안마련에 기초자료로 제공하는데 있다. 이러한 연구목적을 달성하기 위하여 2016-2017 겨울시즌 경기도에 위치한 2개 스키장의 안전사고일지에 기록된 총522명을 유 목적 표집하여 연구대상으로 선정하였다. 수집된 자료는 SPSS 21.0을 이용하여 빈도분석, 교차분석을 실시하였으며, 그 결과는 다음과 같다. 첫째, 인구통계학적특성변인(강습유무)에 따른 부상부위에는 차이가 있는 것으로 나타났다. 둘째, 인구통계학적특성변인(종목, 강습유무, 종목${\times}$연령, 강습유무${\times}$성별)에 따른 부상형태에는 차이가 있는 것으로 나타났다. 셋째, 스키리조트 슬로프 수준에 따른 부상부위 및 부상형태에는 차이가 있는 것으로 나타났다.

• 한국안전학회지
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• 제20권3호
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• pp.188-196
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• 2005

Accident reports from 1991 to 2000 of a steel company were used to analyze which factors induce industrial accidents. The subjects were 8,311 blue-collar workers, who sustained 114 occupational injuries and work on a continuous full-day 3-team 3-shift system of backward rotation(mornings to afternoons to nights). With respect to marital status, the occupational injury rate(OIR) on the married workers was significantly higher compared to unmarried workers. With respect to no, the OIR of those in their early 20s was significantly higher when compared to other age groups. The OIR of highly educated workers showed a reduction when compared with lower educated workers. The OIR of shift workers were significantly higher compared with the daytime workers. The OIR of type of work decreased across the steel manufacturing process, rolling process, machine maintenance section forwarding products section to the field management section. With respect to the block of shift work(morning, afternoon, and night shifts) by the type of work, the OIR of the night shift was higher than those of the morning shift in the steel manufacturing process or forwarding products section. The OIR of the machine maintenance section was slightly higher in the morning shift than those of the night shift. The OIR of the time of day of the shift workers reached a peak between 09:00 and 11:00. The OIR of a slight injury to shift workers decreased across the night, afternoon, to morning shifts whereas the OIR of a serious injury tended to decrease across the night, morning, to afternoon shift. The body parts most commonly injured were the arm and the crus.