• Title/Summary/Keyword: 계층화분석법 (AHP)

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Evaluation of Risk Level for Damage of Marine Accidents In SRRs using Fuzzy Logic (퍼지로직을 이용한 해양사고 피해규모에 의한 해역별 위험수준 평가)

  • Jang Woon-Jae;Kwon Suk-Jae;Keum Jong-Soo
    • Proceedings of KOSOMES biannual meeting
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    • 2004.05b
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    • pp.1-6
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    • 2004
  • This paper suggests an evaluation of risk level for damage of marine accidents in SRRs. Qualitative analyses in words is sometimes priorior to quantative analyses in numeric symbols. This paper intoduces a concept of fuzzy theory with the plenty of related literature review and AHP in the Korean SRRs of RCC and RSC. The methodology of this paper is max . min composition of fuzzy extensive principle, defuzzifiation is centroid of gravity methods. At the result, the evaluation of risk level is especially over Serious for smarine accident of Taean, Gunsan, Mokpo, Yosu, Tongyoung, Busan SRR. This paper recommends that many Rescue Vessels and Equipments need to the reduction of risk level about those.

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Empirical Analysis for Improvement of Safety Management of Coastal Passenger Ship - Focusing on Safety Practitioners - (연안여객선 안전관리 개선을 위한 실증 분석 - 안전관리 실무 종사자 중심으로 -)

  • Kang, Min-gu;Kim, Hwayoung
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.25 no.5
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    • pp.511-518
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    • 2019
  • This study aimed to extract the priority safety improvement factors for coastal passenger ships and analyze the perception gap between groups. To extract the improvement factors, we formed an expert group with maritime safety supervisors, passenger-ship safety inspectors (PSIs), and captains of passenger ships, and then conducted a Delphi survey. We found, using a hierarchy process, that the improvement factors were divided into three factors in Level 1 and ten factors in Level 2. For the relative importance analysis using the AHP (Analytic Hierarchy Process) model, we also formed two groups: an inspector group with maritime safety supervisors and PSIs, and an examinee group with safety managers, captains, and crews. Consequently, the factors of designation of public transportation for passenger ships and supporting the welfare of the crew were evaluated as the most important among the extracted factors. We conducted a t-test for the analysis of the perception gap between the two groups. Three perception gaps were found: increasing the inspection personnel, strengthening the qualification of the inspection personnel, and expanding the safety operation center. The result of this study will be useful for improving the safety policy of coastal passenger ships.

Exploring Key Strategy Areas for Academic Library Development Planning in Korea (국내 대학도서관 진흥을 위한 주요 정책과제 개발 연구)

  • Chang, Yunkeum;Lee, Hye-Eun;Moh, Young-Kyu;Jeon, Kyungsun
    • Journal of the Korean Society for Library and Information Science
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    • v.54 no.3
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    • pp.97-114
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    • 2020
  • The aim of this study is to explore key strategy areas for academic library development planning in Korea. This study started with components of an academic library development plan that were identified in a literature review; those components included among others the major roles, functions, resources, and teaching and research support services of academic libraries. Upon interviewing library staff from 14 academic libraries, this study initially categorized those components into 4 overarching strategy areas and further subdivided them into 12 key components and 24 sub-components. That initial categorization was then reviewed by 6 scholars and practitioners, applying the analytic hierarchy process (AHP), by which this study analyzed the level of importance and priority of the strategy areas and various components. Based on the results, this study ultimately outlines 11 key components and 23 sub-components under the 4 strategy areas for academic libraries in Korea to take into consideration in their development planning.

Evaluation of Risk Level for Damage of Marine Accidents in SRRs using Fuzzy Theory (해양사고 피해규모에 의한 수색·구조 구역의 위험수준 평가)

  • Jang Woon-Jae;Keum Jong-Soo
    • Journal of Navigation and Port Research
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    • v.28 no.10 s.96
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    • pp.909-915
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    • 2004
  • This paper suggests an evaluation of risk level for damage of marine accidents in SRRs. Qualitative analyses in words is sometimes priorior to quantative analyses in numeric symbols. This paper introduces a concept of fuzzy theory with the plenty of related literature riview and AHP in the Korean SRRs of RCC and RSC. The methodology of this paper is $max{\cdot}min$ composition of fuzzy extensive principle, defuzzifiation is centroid of gravity methods. At the result, the evaluation of risk level is especially over Serious for marine accident of Busan SRRs. This paper recommends that many Rescue Vessels and Equipments need to the reduction of risk level about those.

The Priority Analysis of the Risk and Countermeasures for Quality Control in the Steel Structure (강구조물 공사의 품질관리를 위한 리스크 중요도 분석 및 대응방안)

  • Cho, Hang-Min;Song, Young-Woong;Ahn, Jae-Bong;Choi, Yoon-Ki
    • Korean Journal of Construction Engineering and Management
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    • v.8 no.3
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    • pp.87-96
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    • 2007
  • Recently construction environment is being professionalized. oversized and diversified. Due to fluctuation of construction environment, the demand for the project of steel structure is ieased gradually and steel construction is needed the efficient quality management. The construction of steel structure which required a variety of sub-contractors, the progress of works and technologies are comprehensive of various risks and uncertain factors. But currently the construction of steel structure is conducted the risk management by perception and experience of constructors. Therefore, the analyzing factors of the risk and establishing the device are able to manage the quality management efficiently. In this study, we have conducted the interview of experts, polls and through the Analysis Hierarchy Process (AHP) for the scientific and systematic risk management. This paper will propose a plan for systematization of the construction of the steel structure.

Evaluation Scheme for EcoMobility Policy Based on Multi-criteria Decision Making, AHP and ANP (AHP와 ANP 중심의 다기준 의사결정 기반 생태교통정책 평가체계에 관한 연구)

  • KIM, Junghwa;KIM, Sukhee
    • Journal of Korean Society of Transportation
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    • v.35 no.3
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    • pp.183-196
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    • 2017
  • In this study, policy evaluation scheme was established to encourage the efficient implementation of EcoMobility which has been expanding gradually all around the world. A total of eight evaluation goals and 22 evaluation items are reviewed and suggested based on the three major evaluation categories of "Basic elements for EcoMobility", "Land use and transport system for EcoMobility", and "Implications and impact of EcoMobility". The results of this study are as follows: the result of AHP analysis which reflects only the hierarchical structure shows a high priority in "Elements for EcoMobility promotion", "Eco-fiendly transport infrastructure", and "Safety in transport". While in result of ANP which considered the elements' dependencies, "Eco-fiendly transport Services", "Welfare in transport", and "Environment by transport" have high weights and importances. In conclusion, this study would be useful to make reasonable judgment based on the analysis results of the two techniques in order to ensure reliability in evaluation of EcoMobility policy. Furthermore we have confirmed appropriate evaluation technique between AHP and ANP which is better to reflect the features of EcoMobility.

A Study on Location Determining Choice Factor and Satisfaction Evaluation of Companies in Free Economic Zones: Focusing on Incheon and Busan·Jinhae Free Economic Zones (경제자유구역 입주결정 선택기준 및 만족도 평가: 인천, 부산·진해 경제자유구역 중심으로)

  • Kim, Hyun Ah;Kim, Tae Seung
    • Journal of Korea Port Economic Association
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    • v.31 no.4
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    • pp.107-120
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    • 2015
  • This study analyzes Korea's Free Economic Zone (FEZ), by particularly focusing on Incheon and Busan-Jinhae zones, using the Analytic Hierarchy Process (AHP) method and a questionnaire survey analysis. The study compares important selection criteria and satisfaction of resident companies in Incheon and Busan-Jinhae FEZs. The findings are as follows. First, the AHP method results suggest that companies in both Incheon and Busan-Jinhae FEZs are affected by location, economic society, and policy. In subordinate determining factor for land, it is ordered by ease of gaining land, inexpensive rental fee in Incheon and by convenient access to close markets and inexpensive rental fee in Busan-Jinhae. Second, the questionnaire survey results suggest high adjacent market size and easy access in Incheon FEZ and sound logistics infrastructure in Busan-Jinhae FEZ. For this reason, Incheon has a high value of logistics infrastructure and potential market near metropolitan area and Busan-Jinhae, has a high value of transportation Infrastructure near industrial district. These findings will contribute to policy data for activating and promoting the Free Economic Zone.

Methodology for Evaluating the Effectiveness of Integrated Advanced Driver Assistant Systems (In-vehicle 통합 운전자지원시스템 효과평가 방법론 개발 및 적용)

  • Jeong, Eunbi;Oh, Cheol;Jung, Soyoung
    • Journal of Korean Society of Transportation
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    • v.32 no.4
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    • pp.293-302
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    • 2014
  • Recently, advanced sensors and communication technologies have been widely applied to advanced safety vehicles for reducing traffic accidents and injury severity. To apply the advanced safety vehicle technologies, it is important to quantify safety benefits, which is a fundamental for justifying application. This study proposed a methodology for quantifying the effectiveness of the Advanced Driver Assistant System (ADAS) with the Analytic Hierarchy Process (AHP). When the proposed methodology is applied to 2008-2010 Gyeonggi-province crash data, ADAS would reduce about 10.18% of crashes. In addition, Adaptive Cruise Control, Automatic Emergency Braking System, Lane Departure Warning System and Blind Spot Detection System are expected to reduce about 10.43%, 10.17%, 9.96%, and 10.18%, respectively. The outcomes of this study might support decision making for developing not only vehicular technologies but also relevant safety policies.

Assessment of the Planned Bank Revetment Using Analytic Hierarchy Process (계층분석과정을 이용한 설계호안 평가)

  • Jeong, Jang-Myeon;Kim, Chul
    • Journal of the Korean Society of Hazard Mitigation
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    • v.11 no.3
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    • pp.201-208
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    • 2011
  • When designing a river, it is important to select the appropriate bank revetment methods, but there are no specific guidelines until now. Accordingly, it is important to prevent over-budgeting by deciding the suitability of the adopted bank revetment methods when designing a river. In this study, an assessment method was developed to assess the suitability of the adopted bank revetment methods when designing a river. By adopting this method to eight rivers, its validity was examined. Analytic Hierarchy Process (AHP) was used for the assessment, along with suitability index (SI) of the adopted bank revetment methods when designing a river. In order to select the best bank revetment methods, all environmental variables of the selected location have to be considered. Accordingly, to assess the designed bank revetment methods, all variables of the selected location have to be considered. The assessing items include hydraulic stability, environmental-ecological feasibility, economy, and amenity of the bank revetment. Each item includes four to five sub-items, and each sub-items reflect survey results on the locations. The assessment method was adopted and assessed for eight rivers, and bank revetments was designed to determine the SI. The result of this study is considered to be appropriate when assessing an eco-friendly bank revetment methods, and inappropriate designed bank revetments will guide future planners for selecting the most appropriate construction method.

The Importance Analysis on SME's ERP System Introduction Factors (중소기업의 ERP 시스템 도입요인에 대한 중요도 분석)

  • Oh, Sang-Kweon;Yi, Seon-Gyu
    • The Journal of the Korea Contents Association
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    • v.15 no.4
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    • pp.490-499
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    • 2015
  • In this study, for the introduction factors of ERP system suggested in the prior study, I analyzed the importance of each introduction factor by using Delphi methodology and AHP. As a result of analysing the importance of the introduction factors of the 1st layer, the supplier factor was analyzed to be the most important factor among innovation factor, information technology factor, the user factor, the supplier factor, and in the weight analysis on the 2nd layer considering the importance of 1st layer, the standard work model of the supplier factor was a suitable factor, and the CEO participation factor(.086) was analyzed as the second most important introduction factor. These analysis results enable to determine that domestic Small & Medium enterprises' position hope to introduce by selecting a system in which the company characteristics and management strategies are applied well, because they should operate an ERP system that has already been developed, and in this course, the participation of CEO was also found to be a very important factor.