• 한국지리정보학회지
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• 제3권2호
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• pp.24-36
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• 2000

본 연구에서는 비측정용 주사기를 이용하여 수치정사사진을 제작하는 최적기법을 연구하고자 한다. 비측정용 주사기로 항공사진의 양화필름을 각각 상이한 해상력으로 주사하고 수치사진측량 작업대에서 항공영상의 해상력, 수치표고모델 격자간격, 재배열기법과 출력 영상화소 간격을 고려하여 수치표고모델을 자동으로 생성하여 수치정사사진을 제작하였다. 그 결과 평면위치의 정확도는 우수하지 못했지만, 표고의 정확도는 우수하였다. 이를 통해 비측정용 주사기를 사용해서 제작한 수치정사사진은 고정밀도를 요구하지 않는 지리정보체계(GIS) 등의 자료기반 구축과 수치표고모델을 이용한 토공량 산정 등에 충분히 이용 가능하리라 사료된다.

• 가정과삶의질연구
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• 제24권5호
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• pp.89-99
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• 2006

The purpose of this study was to devise guidelines for the kitchen workspace of the aged by examining current usage. To achieve this objective, surveys were conducted and measurement were taken between June 15 and lune 30, 2005. The data were gathered from 50 women over 65- years-old who live in the downtown and suburbs of Seoul, Korea. The collected data were processed using SPSS 12.0 for Microsoft Windows and resulted in the following conclusions: The kitchen for the aged needs to be laid out in ㄱ-shape and the refrigerator needs to be positioned prominently. The height of the work counter is relative to the user's height (${\times}0.49{\sim}056$). and the length varies depending on the available space of the house and the type of work counter needed: however it was found that it should be at least 270cm Concerning the depth of the work counter, the standard sizes (60cm) currently on the market did not cause any inconvenience. It was found that the sink must be designed to allow for some space at the bottom so as to ensure comfortable sedentary work. Also, an electrical oven was preferred over a gas-fuelled one. Finally, the height of the upper cabinet should be relative to the user's height at ${\times}0.85{\sim}1.0$ from the floor to the bottom of the cabinet.

• The Journal of Korean Physical Therapy
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• 제18권6호
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• pp.67-75
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• 2006

Purpose: Many kinds of musculoskeletal disease and symptom are caused by the longtime computer works. However, trapezius muscle tonus has not been established in regarding to keyboard height during typing. Therefore, this study is to evaluate the relationship between trapezius muscle tonus and the height of keyboard while typing, controling for the postures of neck, Lumbar, cervical vertebra. Methods: The experimental height of keyboard was set at elbow height, 3cm higher, 6cm higher, 9cm higher, than elbow. We studied trapezius tonus with the mean value for 2 minutes by EMG in 15 males and 15 females worker of hospital in seoul, who did not have a history of muscle disease, neurological signs, nerve damage. Results: In this experimental, as the height of the keyboard went up, the trapezius tonus significantly increased with shoulder abduction of brachium. Second, right and left trapezius tonus appeared similar while typing. Third, the best height that release the trapezius tonus the was as high as elbow and 3cm higher than elbow. Conclusion: With these above results, we suggest that the appropriate height of keyboard during typing to release the trapezius tonus most is the height of the elbow and 3cm higher than elbow. The study has important implications for focusing on the height of VDT worktable and complaining of a pain by oneself which are useful to establish a method of prevention of musculoskeletal disorder in work in the future.

• 대한인간공학회지
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• 제29권3호
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• pp.347-356
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• 2010

The purpose of this study is to analyze the spine stability by comparing muscle activation in various scaffold working conditions. The independent working conditions were designed by two levels of working height, existence and absence of safety handrail, and the two levels of expertise. The corresponding activities of the agonist and antagonist muscles of spine were simultaneously recorded by using EMG. As results, novice worker showed increased muscle activity while doing the task on the 2nd floor, absence of handrail. And expert showed the increase of co-contraction while working on the 2nd floor without handrail. Such co-contraction was found to increase the spine stability when the working condition become risky. On the other hand, the co-contraction was prolonged, the spine muscle fatique and disc pressure could be increased, which would increase the risk of musculo-skeletal disorder. The results of co-contraction in this study indicates that the motor control system responds to maintain the stability of the spine particularly when workers cognitively recognize the danger of falling or imbalance. This study also quantitatively accounted for the biomechanical cause of LBP among workers who has to prevent themselves from falling. Therefore, if can be said that safe environment preventing falling can also prevent workers from MSDs as well. Such knowledge can be applied to design ergonomic workplace environment as well as movable scaffold.

• 한국화재소방학회논문지
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• 제16권3호
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• pp.48-55
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• 2002

본 연구는 용접불티 차단막 개발을 위해 섬유류의 방염처리 후 화재성능 평가를 통해 적정한 방염 처리 방안을 제시하였다. 실험재료는 시중에서 유통되고 있는 섬유류이며, 방염처리는 난연제와 방화도료를 사용하였다. 화재성능 실험은 한국과 일본 기준에 따라 수행하였다. 실험결과 방염처리된 섬유류는 방염 및 난연성능이 충분하였으며, 그들의 난연등급은 A급에서 C급으로 나타났다. 최소산소지수는 방염제로 처리된 모든 시료가 국제기준을 만족하였다. 용접불티 차단막을 수평으로 설치하여 사용할 경우에는 작업대 높이에 관계없이 난연 A급에서 C급의 성능을 가진 제품을, 수직으로 설치할 경우 난연 C급 성능을 갖는 제품을 사용하는 것이 용접불티에 의한 화재확산을 예방할 수 있을 것으로 사료된다.

• 한국가정과교육학회지
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• 제16권4호
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• pp.127-140
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• 2004

이 연구는 중학교 가정 교과 특별실인 가정실의 실내 환경. 교구와 설비, 활용 실태의 문제점을 파악하는데 목적이 있다 연구 자료는 경기도와 인천광역시에 소재한 중학교의 가술 $\cdot$ 가정을 담당하고 있는 150명의 교사를 대상으로 우편을 통한 설문지로 수집되었다. 조사 결과 대부분의 중학교는 가정실을 갖추고 있었다. 가정실은 가정 수업 외 다른 용도로 사용되어 때때로 가정실에서의 수업에 어려움을 주고 있었다. 가정실의 활용 실태는 저조하며 대부분 조리와 재봉수업으로 제한되었는데 그 이유는 실내 환경에서 냉$\cdot$난방과 환기의 부적합. 작업대와 의자 같은 설비뿐만 아니라 교구 등의 부족으로 나타났다. 교사들은 가정실에서 모든 단원의 가정수업이 다양한 형태로 이루어지기를 바라고 있었다. 가정실의 실내 환경과 교구의 개선은 가정실에서의 다양한 수업을 수월하게 할 것이다.

• 대한안전경영과학회지
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• 제14권2호
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• pp.1-9
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• 2012

As contemporary building construction type is getting higher and deeper, construction equipment usage is getting more, and related fatal accidents are on an increasing trend. Because of this, a method was drawn which could grasp the present state of construction equipment management and manage safety of the equipment more easily for accident prevention by choosing 2 kinds of Construction equipment which cause safety accident frequently among the equipment mainly used in construction site. This study suggested a method about construction equipment safety management using "smart phone" base which could be used in safety management for construction equipment by whomever in construction site. After attachment of QR code included safety checklist, It became possible that site managers could check more efficiently by scanning with their smart phone when they inspect equipment. Moreover, by the construction interested who didn't know what and how they have to inspect could point out unsafe condition in the early stage of equipment entering or take unsafe one out of the site by using new smart phone safety checking system is installed, it became possible that critical accident caused by construction equipment was prevented in advance.

• 대한안전경영과학회:학술대회논문집
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• 대한안전경영과학회 2012년 춘계학술대회
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• pp.43-59
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• 2012

As contemporary building construction type is getting higher and deeper,construction equipment usage is getting more, and related fatal accidents are on an increasing trend. In these days, due to the deteriorating construction business circumstance, job finding problem of equipment operator, and dumping contract, equipment lease suppliers are putin jeopardy. In high-rise building construction, especially tower crane, mobile elevated work platform and other High place operation cars among construction equipment cause many critical accidents because of drop supply of construction biding bringing out dumping contract could cause unsafe and poor construction management. Because of this, a method was drawn which could grasp the present state of construction equipment management and manage safety of the equipment more easily for accident prevention by choosing 2 kinds of Construction equipment which cause safety accident frequently among the equipment mainly used in construction site. This study suggested a method about construction equipment safety management using "smart phone" base which could be used in safety management for construction equipment by whomever in construction site. After attachment of QR code included safety checklist, It became possible that site managers could check more efficiently by scanning with their smart phone when they inspect equipment. Moreover, by the construction interested who didn't know what and how they have to inspect could point out unsafe condition in the early stage of equipment entering or take unsafe one out of the site by using new smart phone safety checking system is installed, it became possible that critical accident caused by construction equipment was prevented in advance.

• 대한인간공학회지
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• 제28권4호
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• pp.9-15
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• 2009

Our study goal is to find out how the table height influences functional ability of upper extremity to patients with stroke when they are having therapy. In this study, we tested forty patients with stroke at the age of over sixty-five who do not have visual, auditory disability and have no difficulty in communicating and moving things by using upper extremity. And they were able to pinch grip in hospital. We used occupational table for occupational therapy as Lab Materials. We also used cube and pegs board to test upper extremity functional ability. We used occupational table for occupational therapy as Lab Materials and we used cube and pegs board to test upper extremity functional ability. The method is that we measured the recommended table height that takes the subjects' size into consideration and patients' preferred table height and therapists' preferred table height and we applied them and then we have done a comparative analysis and set significance level(p<0.05). As the result, we found the Statistically significant between the recommended height and the other two, which are patients' preferred height and therapists' preferred height. We also discovered that functional ability of upper extremity varies significantly depending on each table height. We came to a conclusion that the table height had effects on the upper extremity functional ability of patients with stroke who are over sixty-five years old. It is therefore considered that the proper table height is important to improve upper extremity functional ability of patients with stroke for their physical therapy.

• 한국시뮬레이션학회논문지
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• 제28권1호
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• pp.1-9
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• 2019

최근 물류창고의 중요성이 높아지고 있는 가운데 소량 다빈도 및 빠른 납품에 대응하기 위해 피킹 프로세스 개선에 많은 노력을 기울이고 있다. 본 연구는 개별오더 피킹 정책이 사용되는 상황에서 오더를 피커에게 할당하는 알고리즘을 제시한다. 이 알고리즘에서는 피킹과 관련된 피킹 처리시간, 오더 접수후 경과 시간, 검수/패킹 작업대 상황, 피커 오류, 고객 중요도의 다섯 개의 속성을 동시에 고려한다. 각 속성에 대한 측정값의 단위가 동일하도록 긴급도라는 척도를 도입한다. 긴급도의 값이 클수록 할당 우선순위를 높게 설정한다. 제안한 알고리즘에서는 각 속성의 가중치를 변경함으로써 피킹시스템의 운영목표에 따라 할당 정책을 유연하게 조정할 수 있도록 하였다. 가상의 축소된 물류창고를 대상으로 시뮬레이션 실험을 수행한 결과 시스템 쓰루풋과 흐름시간 측면에서 우수한 성능을 보였다.