• KIEAE Journal
• /
• 제11권1호
• /
• pp.21-28
• /
• 2011

The objective of this study is to analysis the properties for reclassifying green roofs into three types by cluster analysis after investigating the present condition in thirty green roofs which were created from 2002 to 2004 by Seoul Metropolitan Government. The previous classification was resulted in structure safety diagnosis in the type of green roofs and visible judgment by experts in sites. However, it should have been corrected. Therefore, it needed a reestablished concept and a reclassification in green roofs. The results of this study are as follows : the concept of a rooftop garden and a green roof is different from previous studies. The rooftop gardens named by intensive green roofs are closed to integrated management, whereas the green roofs are closed to low management. The reclassification of green type was also conducted to use the statistic analysis of categorical regression by previous studies, and the factors extracted by the categorical regression were influenced by greening type. The figure of R-square representing explanation in regression analysis is 95.2%. As this result was analyzed, it was proved into rooftop gardens demanded for high activity by people.

• 대한전기학회논문지:시스템및제어부문D
• /
• 제54권8호
• /
• pp.517-520
• /
• 2005

Cleft lip is a congenital deformity condition with separation of the two sides of the lip and results in nose deformity Evaluation of surgical corrections and outcome assessments in nose deformity resulting from the cleft lip depend mainly on doctor's objective judgment. Development of an objective assessment tool in evaluation of the condition and surgical outcome of cleft lip nose deformity patients will help in advancement and evaluation of surgical techniques of cleft lip. Hence, our study aimed at quantitative assessment of a cleft lip nose deformity condition by comparing following parameters gathered from a photographic image of a cleft lip patient: (1) angle difference between two nostril axis, (2) center of the nostril and distance between two centers, (3) overlapped area of two nostrils and (4) the overlapped area ratio of two nostrils. Assessment results of the nose deformity were determined by statistical analysis of evaluation results from three experienced plastic surgeons. In addition, regression model was developed using correlation relationship and factor analysis of parameters from results of the image analysis

• 한국환경교육학회지:환경교육
• /
• 제25권1호
• /
• pp.105-116
• /
• 2012

The most necessary thing for education now, is an ecological approach to look at and be conscious of the uncertainty of nature and the structural contradiction of society. In brief, we need to make a judgment on what standard and value are required for a forming righteous relation between nature and human being, and include it in the notion of citizenship. Based on this point of view, this study extracted moral virtues, skills and agreement mechanisms of new citizenship from ecologism, environmental justice and the ecological community, and systematized them. From ecologism and environmental justice, virtues that are inner values to lead ecological citizen's act and skills as capabilities required for correcting environmental injustice, were derived. Then, workings of citizens in a community and directions of each society and education were considered from the ecological community as an utopia where ecological citizens ultimately aim for. As the result, the ecological sensitivity, freedom, creativity, a sense of justice, a sense of responsibility, caring were found to be moral virtues that ecological citizens have to have. Next, ecological thinking skills like systemic thinking, quantitative thinking and empathetic thinking, and principles of deliberation and perturbation as mechanisms to improve communication skill and environmental injustice which have been considered importantly as components of democratic citizenship, were selected as skills of ecological citizens.

• 한국기계가공학회지
• /
• 제18권8호
• /
• pp.31-37
• /
• 2019

The inter-development of FMECA is very important to assess the effect of potential failures during system operation on mission, safety and performance. Among these, criticality analysis is a core task that identifies items with high risk and selects the analyzed objects as the key management targets and reflects their effects to the design optimization. In this paper, we analyze the theory related to criticality analysis following US military standard, and propose a method to quantify the failure effect probability for objective criticality analysis. The criticality analysis according to the US military standard depends on the subjective judgment of the failure probability. The methodology for quantifying the failure effect probability is presented by using the reliability theory and the Bayes theorem. The failure rate is calculated by applying the method to quantify failure effect probability.

• The Journal of Asian Finance, Economics and Business
• /
• 제8권3호
• /
• pp.977-985
• /
• 2021

The main aim of the study is to provide empirical evidence about the association between stock market exchange data and weighted price index. This research utilized monthly reported data from the Amman stock exchange market (ASE) and the Central Bank of Jordan (CBJ). The weighted price index was employed as the dependent variable and the independent variables were weighted price index (WPI), turnover ratio (TOR), number of trading days (NTD), price-earnings ratio (PER), and dividends yield ratio (DY). The time period of the study was from January 2015 to October 2020. The study's methodology follows a quantitative approach using the multiple regression method to test the hypotheses of the study. The final results of the study provided conclusive evidence that the market-weighted price index is strongly and positively correlated to three predetermined variables, namely; turnover ratio, price-earnings ratio, and dividend yield but no evidence was obtained for the effect of the number of trading days. The finding of the current study proved that the market price index is not only influenced by macro factors, but also by other variables assumed to not beneficial for the judgment of price index movements.

• 한국항행학회논문지
• /
• 제25권6호
• /
• pp.466-475
• /
• 2021

공항 관련 법률에서는 공항 주변에 항공등화의 식별을 방해하거나 조종사와 관제사에게 눈부심을 일으키는 조명의 설치를 제한하도록 하고 있다. 그러나 조명이 조종사 또는 관제사에게 주는 눈부심에 대해서는 정성적인 판단에 기초하여 제한여부를 판단할 뿐, 정량적인 검토는 이루어지지 않고 있다. 이에 이 연구에서는 야간운항 중 공항 주변 대형 조명시설에 의해 조종사와 관제사에게 발생될 수 있는 시각장애현상을 불능글레어와 사물인지도 및 식별방해도를 통해 정량적으로 계산하고 확인하였다. 그리고 이를 바탕으로 조명시설에 의한 조종사와 관제사의 시각장애현상을 방지하기 위해 관련 제도의 보완 등을 제언하였다.

• 한국산업융합학회 논문집
• /
• 제27권3호
• /
• pp.535-546
• /
• 2024

This research aims to develop a model to objectively and quantitatively measure the skill level of aircraft body assembly workers. Because aircraft body assembly is predominantly a manual process, skills management is a key factor of manufacturing competitiveness. Currently, skills management relies on the subjective judgment of supervisors, which lacks objectivity and reliability. As a remedy, this study proposed a systematic skill management model based on objective and quantitative evaluation criteria. By considering prior research, we developed an evaluation model that takes into account both expertise and versatility of a worker. The model selected five major tasks required for aircraft body assembly and established evaluation criteria considering the difficulty and maturity of each task. We then conducted a pilot evaluation with over 200 workers in four SMEs to validate the practicality and effectiveness of the model. Consequently, we identified and addressed the limitations of the existing evaluation method, subdivided the skill levels based on the performance capabilities of each task, and proposed a career growth path. The developed evaluation model offers critical data for executives and managers to determine work assignments, education, training, performance incentives, and wages. It is expected to enhance the attraction of new talent and systematize skills management in aviation manufacturing in the future.

• 한국안전학회지
• /
• 제25권6호
• /
• pp.34-39
• /
• 2010

본 연구는 건설현장에서 사용하고 있는 타워크레인에 대한 검사기관의 검사결과를 토대로 위험성과 중요도를 미리 검토하고 분석하여, 상호간의 검사 기준에 대한 판정기준을 정립하고 검사능력을 UP-Grade 시킬 수 있는 기회로 활용하기 위한 방안으로, 적절한 평가방법을 도입하여 객관적인 평가 모텔을 제시하는데 목적이 있다. 타워크레인은 건축물 또는 구조물 등, 건설현장에 설치되어 짧게는 2~3개월부터 2년 남짓 동안 지상에서 20~150M 이상 높은 곳으로 건설자재와 중량물 등을 실어 나르는 기계장치로, 건설 현장에서는 없어서는 안될 중요한 설비이다. 그러나 설치해서 사용하는 기간이 짧고, 건설 현장의 기술자들이 타워크레인에 대한 전문 기술력이 부족하여 체계적이고 정량적인 안전관리가 이루어지지 않고 있다. 이러한 문제점을 해결하기 위해서 전문가들의 지식과 경험을 바탕을 한 지식기반기법과 타워크레인에 적용 가능한 RBI절차 연구의 일환으로 정량적 위험우선순위를 FMEA기법을 활용하여 RPN을 적용시켜 보았다. 일반적인 RBI 80/20 Rule을 적용시켜 보았을 때, 위험도가 높은 부분은 와이어로프, 권과방지장치 및 브레이크와 권상감속기 등으로 나타났다. 하지만, 아직 타워크레인에 대한 위험분석이 제대로 이루어지지 않아 미흡한 부분이 많지만, 본 연구를 시작으로 좀 더 경험과 지식이 풍부한 전문가들이 나서서 중요 정보를 공유하고 data base화 하여, 타워크레인에 대한 활발한 RBI 기법의 보완과 지속적인 연구개발이 필요하다.

• 경영정보학연구
• /
• 제16권2호
• /
• pp.25-41
• /
• 2014

그간 크라우드펀딩에 대한 연구는 주로 크라우드펀딩의 도입을 위한 방안, 정책에 주로 관심을 가졌으나, 본 연구는 투자의사결정기준을 분류하고 각 요인의 중요성을 제시하여 크라우드펀딩 투자자들에게 실질적으로 도움을 줄 수 있는 연구결과를 도출해 내었다. 연구결과에 따르면 (1) 크라우드펀딩 투자자는 비즈니스 모델을 보다 객관적으로 판단하기 위한 방안으로 기업의 유형자원을 가장 중요한 기준으로 고려하고 (2) 기업의 경영능력에는 관심이 많지만, 비즈니스 모델에 대한 창의성은 크게 관심을 가지고 있지 않고 있음을 확인하였다. 이 연구결과는 크라우드펀딩이 계량적 투자기준을 통해 투자의사를 결정할 수 있고, 창의적인 비즈니스 모델에 대한 건전한 투자라는 인식이 형성될 수 있는 환경이 조성되어야만 하며, 신규기업도 창의적인 비즈니스 모델을 통해 기존기업과 건전한 경쟁을 할 수 있는 제도적 장치가 필요하다는 점을 시사한다.

• 한국중재학회지:중재연구
• /
• 제20권3호
• /
• pp.3-24
• /
• 2010

In the approaching 21th century, the outstanding development in international trade and commerce has established arbitration as the preferred form of dispute resolution on international business transaction. Because the form of commercial dispute becomes more complicated and varied with the quantitative increase of them, the reasonable and rapid settlement of them must be the important problem simultaneously. In this article, the author discusses various issues on the recognition and enforcement of an foreign arbitral awards under Korean Arbitration Act, which is modeled after the Model Law on International Commercial Arbitration of the UNCITRAL of 1985. The Dec. 31, 1999 amendment to the Korean Arbitration Act admits the basis for enforcement of foreign arbitral awards rendered under United Nations Convention on the Recognition and Enforcement of Foreign Arbitral Awards of 1958(commonly known as the New York Convention). Korea has acceded to the New York Convention since 1973. When acceding to the convention, Korea declared that it will apply the Convention to the recognition and enforcement of awards made only in the territory of anther Contracting State on the basis of reciprocity. Also, Korea declared that it will apply the Convention only to differences arising out of legal relationships, whether contractual or not, which are considered as commercial under the national law of Korea. The provision relating to the enforcement of arbitral awards falling under the New York Convention consists of Article III, IV, V. In particular, Article V of the New York Convention enumerates the grounds for refusal of recognition foreign arbitral awards. The grounds are separated into two categories : One that abides by procedures and the others are based on national legal sovereignty. In Korea, a holder of a foreign arbitral award is obliged to request from the court a judgment ordering enforcement of awards. Because Korea requires enforcement to be based on a judgement, the result is that arbitral of award holders are forced to institute domestic litigation.