• Title/Summary/Keyword: Design decision making

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Development of Tool Selection System Aiding CAM Works for Injection Mold (사출금형 CAM 작업 지원용 공구 선정 시스템 개발)

  • 양학진;김성근;허영무;양진석
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 1997.10a
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    • pp.175-179
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    • 1997
  • As consumer's desire becomes various, agility of mold manufacturing is most important factor for competence of manufacturer. In common works to use commercial CAM system to generate tool path, some decision making process is required to produce optimal result of CAM systems. We propose tool selection procedures to aid the decision making process. The system provides available tool size for machining of design model part of injection mold die by analyzing sliced CAD model of die cavity and core. Also, the tool size information is used to calculate machining time. The system is developed with commercial CAM using API. This module will be used for optimization of tool selection and planning process.

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A Study Cluster on the Bio-Industry Development in the Northern Kyonggi Province (바이오산업 육성을 위한 경기북부 클러스터 연구)

  • Lim Chong-Gyu;Park Joo-Sik
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.27 no.3
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    • pp.83-89
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    • 2004
  • The object of this study is to survey present conditions, to analyze the development of bio-industry in northern area of Kyonggi province by the decision making method of the SWOT model, to suggest a plan for the prospect of continued development field and the location of industry, and to extract fundamental data for establishment of annual action and investment plan which can develop bio-industry. For the purpose of making a policy decision in national operation policy, business administration policy, and new product design, the research for extracting more objective and standard approach method should be continuously conducted.

Wind-induced fragility assessment of protruding sign structures

  • Sim, Viriyavudh;Jung, WooYoung
    • Wind and Structures
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    • v.31 no.5
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    • pp.381-392
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    • 2020
  • Despite that the failure of sign structure may not have disastrous consequence, its sheer number still ensures the need for rigorous safety standard to regulate their maintenance and construction. During its service life, a sign structure is subject to extensive wind load, sometimes well over its permissible design load. A fragility analysis of a sign structure offers a tool for rational decision making and safety evaluation by using a probabilistic framework to consider the various sources of uncertainty that affect its performance. Wind fragility analysis was used to determine the performance of sign structure based on the performance of its connection components. In this study, basic wind fragility concepts and data required to support the fragility analysis of the sign structure such as sign panel's parameters, connection component's parameters, as well as wind load parameters were presented. Fragility and compound fragility analysis showed disparity between connection component. Additionally, reinforcement of the connection system was introduced as an example of the utilization of wind fragility results in the retrofit decision making.

Nurses′ Research Activities and Barriers of Research Utilization (임상 간호사들의 연구 관련 활동 실태 및 연구결과 활용의 장애 요인)

  • 오의금;오현주;이윤정
    • Journal of Korean Academy of Nursing
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    • v.34 no.5
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    • pp.838-848
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    • 2004
  • Purpose: This study was to describe nurses' research activities, perceptions and performances of evidence-based practice and barriers to the use of research evidence in nursing practice in Korea. Method: A cross-sectional survey design was used. A questionnaire, except for Barriers Scale, was developed for the study. Data was collected from a convenient sample of 437 registered nurses working at research and education oriented university hospitals. Result: Nurses' research-related activities were relatively low compared to previous studies. Also perceptions and performances of evidence based nursing practice were low. Preferred informational resources for clinical decision making were identified as ward manuals/clinical guidelines, manager/senior nurses, and literature/research. The major barriers to research utilization were a lack of implication for practice along with inadequate facilitation to implement research evidence and difficulty understanding research written in English. Priorities of barriers factor were Administrator, Communication, Adopter, and Research. Conclusion: The findings provide directions for future training, education, and managerial policy to achieve successful evidence based nursing practice.

Target Market Selection Using MCDM Approach: A Study of Rolling Stock Manufacturer

  • SUKOROTO, SUKOROTO;HARYONO, Siswoyo;KHARISMA, Bedy
    • Journal of Distribution Science
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    • v.18 no.7
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    • pp.63-72
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    • 2020
  • Purpose: This study examines the market segmentation and strategy of PT INKA, a rolling stock manufacturer in Indonesia. Research design, data and methodology: The study used the MCDM (Multiple Criteria Decision Making) method specifically the AHP (Analytical Hierarchy Process). The AHP method was applied to identify the target market. This method or approach considers the market attractiveness and competitive strength criteria with quantified parameters. Results: a) Australia, Kenya, Tanzania, New Zealand, and India emerge as the top five target markets; b) There is justification for rolling stock manufacturers to allocate their resources in winning the market share. Conclusion: The main challenge confronting the rolling stock manufacturer is limited resources to acquire a particular market share despite abundant opportunities in this sector. Despite the mastery of technology and long experience in the industry, selecting a target market with multiple criteria could be difficult for an emerging rolling stock manufacturer in South East Asia.

An Implementation of Web-Enabled OLAP Server in Korean HealthCare BigData Platform (한국 보건의료 빅데이터 플랫폼에서 웹 기반 OLAP 서버 구현)

  • Ly, Pichponreay;Kim, jin-hyuk;Jung, seung-hyun;Lee, kyung-hee Lee;Cho, wan-sup
    • Proceedings of the Korea Contents Association Conference
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    • 2017.05a
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    • pp.33-34
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    • 2017
  • In 2015, Ministry of Health and Welfare of Korea announced a research and development plan of using Korean healthcare data to support decision making, reduce cost and enhance a better treatment. This project relies on the adoption of BigData technology such as Apache Hadoop, Apache Spark to store and process HealthCare Data from various institution. Here we present an approach a design and implementation of OLAP server in Korean HealthCare BigData platform. This approach is used to establish a basis for promoting personalized healthcare research for decision making, forecasting disease and developing customized diagnosis and treatment.

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A Study on the Development of Optimization Procedure for Radiological Protection (방사선 방어의 최적화 절차론 개발에 관한 연구)

  • Song, Jong-Soon
    • Journal of Radiation Protection and Research
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    • v.19 no.1
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    • pp.1-11
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    • 1994
  • Considering the variety of application and other factors in performing the optimization of radiological protection, it is necessary to use well-structured optimization procedure. In this study, an optimization procedure for design stage of nuclear power plant was proposed, and applied in the selection of alternatives for reducing occupational radiation exposure. As an aiding technique for decision-making, multi-criteria technique was used. As a result, priorities of alternatives are determined, and a problem of applying this result to real situation is reviewed. The developed procedure for optimization can be extended to other areas such as radioactive waste management, medical use of radiation, etc.

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Design criteria of wind barriers for traffic -Part 2: decision making process

  • Kim, Dong Hyawn;Kwon, Soon-Duck;Lee, Il Keun;Jo, Byung Wan
    • Wind and Structures
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    • v.14 no.1
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    • pp.71-80
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    • 2011
  • This study presents a decision making process for installation of wind barrier which is used to reduce the wind speed applied to running vehicles on expressway. To determine whether it is needed to install wind barrier or not, cost and benefit from wind barrier are calculated during lifetime. In obtaining car accidental risk, probabilistic distribution of wind speed, daily traffic volume, mixture ratio in the volume, and duration time for wind speed range are considered. It is recommended to install wind barrier if benefit from the barrier installation exceed construction cost. In the numerical examples, case studies were shown for risk and benefit calculation and main risky regions on Korean highway were all evaluated to identify the number of installation sites.

Application of BIM Elements for Owner's Decision - Making Support (발주자 참여 확대를 위한 BIM 적용요소에 관한 연구)

  • Lee, Kyung-Ha;Park, Jae-Hyun;Cho, Sung;Cho, Yong;Yun, Seok-Heon;Paek, Joon-Hong
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2009.05b
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    • pp.185-188
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    • 2009
  • Recently clients requirements and social requirements are complex and large sized in construction projects. Futhermore, processes and steps are more complexed than before. Unsuitable reflection of clients brings mistaken opinions. A phase of middle change makes delay and change. It brings problems of waste expense and time. 80, first stage of planning and schematic design processes have to reflect of clients opinion actively. by increasing of constructions project competitiveness. Recently, BIM(Building Information Modeling is being researched frequently. Through visualization of information proceed step by step and it helps cognition of adapting information. 80, this paper finds and suggests solution of reflecting clients opinion and requirements and non professional clients and positively support of client participation watching based on BIM.

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A Spatial Projection of Demand for Green Infrastructure and Its Application to GeoDesign - Evidence-Based Design for Urban Resilience - (융합도시모델링을 통한 그린인프라 수요 예측 및 지오디자인 적용 - 도시 레질리언스를 위한 근거 기반 디자인 -)

  • Kwak, Yoonshin
    • Journal of the Korean Institute of Landscape Architecture
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    • v.51 no.5
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    • pp.30-43
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    • 2023
  • Green infrastructure(GI) is considered a key strategy in establishing sustainable communities. However, research on GI from the perspective of urban system dynamics and resilience lacks depth, as does its integration with physical design. This research addresses two primary causes. First, there is a gap in methods between existing GI planning, which considers static variables, and urban modeling research, which addresses dynamic variables. Second, there is a gap in information between landscape design and urban modeling research. To address these issues, this study proposes an integrated modeling approach in consideration of design decision-making. By combining the LEAM model and MCDA model, this study evaluates the relationship between GI services and socioeconomic growth, while spatially forecasting the geographies of GI demand in 2050. The resulting information reveals a potential degradation in ecosystem services over the region due to Chicago's sub-urbanization. This indicates that there would be a spatial shift in GI demand, emphasizing the need for comprehensive, dynamic GI strategies. This study further discusses the applications of evidence-based design in a studio environment. This study aims to contribute to the GeoDesign literature in terms of the creation of a more resilient urban environment by facilitating efficient evidence-based decision-making.