• 제목/요약/키워드: Control decision making

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3D CAD 공간 정보를 활용한 방재 시스템 개선에 관한 기초 연구 - 다중이용시설물 중심으로 - (A basic study on improvement of Disasters Prevention System using space information from 3D CAD - focused on Multiple-use Facilities -)

  • 이명훈;안병주;김재준
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2009년도 춘계 학술논문 발표대회 학계
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    • pp.189-193
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    • 2009
  • As large-scale buildings, skyscrapers, and multi-purpose buildings recently increase in numbers dramatically the internal space of such buildings becomes more and more large and complicated accordingly. The Multi-purpose buildings are increasing rapidly in number, and concerns over the evacuation process in case of fire emergency are also increasing. However, A controller who is responsible for visitor's safety makes a decision about measures for visitor safety in human based decision making process. Many potential accidents that are caused by human error lurk in results of the process. The accidents can be decreased by changing the decision making process from human-based into technology-based. Through this study, the way to improve current disasters prevention system is presented and it can also improve shelter inducement methods effectively. SICS(Spatial Information Control System) which is being studied in other research is used as the tool for improvement.

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입양으로 자녀를 상실한 미혼모들의 슬픔 연구 - 외적통제소, 자아존중감, 사회적 지지, 입양결정과정의 영향력을 중심으로 - (The Study on Grief of Birthmothers who Surrendered their Babies for Adoption - Focused on External Locus of Control, Self-esteem, Social Support and Adoption Decision -)

  • 최승희
    • 사회복지연구
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    • 제36호
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    • pp.203-225
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    • 2008
  • 본 연구는 입양으로 자녀를 포기한 미혼모들이 경험하는 슬픔에 대한 외적통제소, 자아존중감, 사회적지지, 입양결정과정의 영향력의 정도와 자녀관계, 슬픔대처행동에 따른 집단 간 차이를 알아보기 위한 것이다. 이를 위해 자녀를 입양 보내고 난 후, 미혼모 보호시설 퇴소 직전의 159명의 미혼모들의 설문자료를 다중회귀분석과 t검증을 통해서 분석하였다. 연구결과 외적통제소가 높을수록, 입양결정을 후회할수록, 미혼부의 지지가 높을수록, 미혼부의 입양 압력이 높을수록 슬픔을 더 많이 경험하는 것으로 조사되었다. 또한 출산 후 자녀 및 슬픔대처행동 특성에 따른 t검증에서는 수유, 이별식, 타인에게 슬픔표현, 홀로 슬픔 표현, 자녀와의 만남에 대한 기대여부에 따라서 집단 간 슬픔의 차이가 나타났다. 이를 기초로 미혼모들의 미혼모 보호시설에 머무는 기간 동안 내적통제소를 강화시키는 실천개입을 해야 하며, 미혼부와의 관계에서 해소되지 않는 감정들을 좀 더 면밀하게 다루어줄 필요성이 제기된다. 또한 퇴소 전 슬픔의 감정을 충분히 해소하고, 표현할 수 있는 개입이 이루어져야 하며, 입양결정에 대한 충분한 탐색과 입양결정을 번복한 집단에 대한 차별화된 개입이 제공되어야 할 것이다.

의사결정나무를 이용한 토마토 스마트팜 전문가시스템 (Expert System for Tomato Smart Farm Using Decision Tree)

  • 남윤만;이인용;백운보
    • 한국정보통신학회:학술대회논문집
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    • 한국정보통신학회 2018년도 추계학술대회
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    • pp.27-30
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    • 2018
  • 의사결정나무를 이용한 토마토 스마트 팜 용 전문가시스템을 설계하여 각 하우스의 주변 환경에 따라 달라지는 요소들에 의해 생성되는 데이터를 사용하여 보다 농민의 결정과 비슷한 의사결정구조를 가진 제어시스템을 구축한다. 현재 스마트 팜의 제어시스템은 지금까지 농민들이 해온 방식과 유사하게 스스로 제어하지 못하였기에 스마트 팜 제어시스템의 의존율은 여전히 높지 못하다. 스마트 팜 내의 센서 값 등 주변 환경을 기준으로 한 환경제어에 농민들의 직접적인 개입이 필수불가결 하다. 그래서 보다 농민의 의사결정과 비슷한 시스템을 만들기 위하여 전문가시스템에 의사결정나무를 접목시킨 제어기를 설계하는 것을 목표로 하였다. 하우스 내의 장비를 제어하기에 앞서 여러 환경요소 중에 가장 직접적인 영향을 미치는 것을 자동으로 선정한 후, 농민들의 의사결정 선정기준을 포함시켜 복합적인제어를 위하여 전문가시스템을 구축한다. 이번 연구는 무거운 툴을 사용하지 않고 데이터를 이용하여 결과를 도출하는 것에 초점을 맞추어 진행하였다. 현재 많은 농장에서 스마트 팜을 이용한 데이터들이 쏟아져 나오고 있고 이것을 농민들이 손쉽고 빠르게 접근하여 직접적인 개입을 줄일 수 있는 방법론에 대한 표준이 될 수 있을 것으로 예상 한다.

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유전자 알고리즘을 이용한 이동 로봇 주행 파라미터의 최적화 (Optimization of parameters in mobile robot navigation using genetic algorithm)

  • 김경훈;조형석
    • 제어로봇시스템학회:학술대회논문집
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    • 제어로봇시스템학회 1996년도 한국자동제어학술회의논문집(국내학술편); 포항공과대학교, 포항; 24-26 Oct. 1996
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    • pp.1161-1164
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    • 1996
  • In this paper, a parameter optimization technique for a mobile robot navigation is discussed. Authors already have proposed a navigation algorithm for mobile robots with sonar sensors using fuzzy decision making theory. Fuzzy decision making selects the optimal via-point utilizing membership values of each via-point candidate for fuzzy navigation goals. However, to make a robot successfully navigate through an unknown and cluttered environment, one needs to adjust parameters of membership function, thus changing shape of MF, for each fuzzy goal. Furthermore, the change in robot configuration, like change in sensor arrangement or sensing range, invokes another adjusting of MFs. To accomplish an intelligent way to adjust these parameters, we adopted a genetic algorithm, which does not require any formulation of the problem, thus more appropriate for robot navigation. Genetic algorithm generates the fittest parameter set through crossover and mutation operation of its string representation. The fitness of a parameter set is assigned after a simulation run according to its time of travel, accumulated heading angle change and collision. A series of simulations for several different environments is carried out to verify the proposed method. The results show the optimal parameters can be acquired with this method.

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의료분야 3D프린팅 비즈니스 시장규모 예측 연구 : 치과 분야를 중심으로 (Market Prediction Methodology for a Medical 3D Printing Business : Focusing on Dentistry)

  • 김민관;이정우;김영명;이기광;한창희
    • Journal of Information Technology Applications and Management
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    • 제23권2호
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    • pp.263-277
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    • 2016
  • Recently, 3D printing technology has been considered as a core applicable technology because it brings many improvements such as the development of medical technology, medical customization, and reducing production cost and shortening treatment period. This research suggests a market prediction framework for medical 3D printing business. As an immature market situation, it is important to control some uncertainty for market prediction such as a customers' conversion rate. So we adopt decision making tree (DMT) model which used to choose an optimal decision making among diverse pathway. Among medical industries this paper just focuses on dentistry business. For predicting a 5 year period trend expected market size, we identified some replaceable denture procedure by 3D printing, collected related data, controlled uncertain variables. The result shows that medical 3D printing business could be a market of 28.2 billion won at 1st year and in the end of fifth year it could become on a scale of 61.1 billion won market.

Bizcool 창업교육과 연계한 진로탐색교육 효과분석 (Analysis of the Bizcool-Connected Career Exploration Education Effectiveness)

  • 정의정
    • 벤처창업연구
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    • 제9권3호
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    • pp.89-95
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    • 2014
  • 연구는 진로탐색 교육이 취업불안, 진로성숙도 그리고 진로의사결정에 미치는 영향을 분석하고자 실시하였다. 광주광역시에 소재한 B실업계고등학교에 재학 중인 비즈쿨 창업교육을 받는 학생 65명을 선정한 후 각각 실험집단 30명과 통제집단 35명으로 구분하였다. 매주 1회 총 9회기의 진로탐색 프로그램을 실시하였으며, 본 연구에서 나타난 주요 결과를 요약하여 제시하면 다음과 같다. 진로탐색 교육에 참여한 실험집단은 참여하지 않은 통제집단보다 취업불안이 감소되었고, 진로성숙도와 진로의사결정이 향상되었다.

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일개 제조업체 근로자의 직업성 스트레스 관련 요인 (Occupational Stress of the Workers in a Electronic Manufacturing Factory)

  • 김정희;윤순녕
    • 지역사회간호학회지
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    • 제12권1호
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    • pp.239-246
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    • 2001
  • This paper attempts to identify the occupational stress-related factors among the workers at the manufacturing industry and to provide the basic data concerning development of stress management program focused on the manufacturing industry. The subjects exhibit significantly highest level of 'the characteristics of task and participation in decision making factor'. And the mean score of 'the avoid coping strategies' was higher than 'the control coping strategies'. The main factor that affected the occupational stress responses was 'the physio-environmental factor' and it was explained 15.6% out of the total variance of the stress responses. Also, it would be explained 29% out of the total variance of the stress responses with 'the characteristics of task/participation in decision making factor', sex, social support, and 'extra-organizational stressor'. In conclusion. For developing the stress management program in workplace, 'the physical environmental factor' and 'the characteristics of task and participation in decision making factor' should be considered. Also, It should be identified the direct and indirect paths among factors that significantly related factors to the occupational stress of workers further more.

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의사결정 과정에 있어서 부부간의 세력구조에 관한 한ㆍ일 비교 (A Cross Cultural Study of the Power Structure on the Conjugal Decision - making Process in Korea and Japan)

  • 홍상욱;;석지혜
    • 한국농촌생활과학회지
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    • 제8권2호
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    • pp.173-187
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    • 1997
  • The objectives of this study were to research the power structure of the conjugal decision making process between husbands and wives and how to go about analyzing these processes. Furthermore, to statistically survey the similarities the differences of these between the Japanese and Korean cultures. The subjects of the study were women over the age of 20. The Korean wives resided in Taegu, the Japanese wives in Kobe. The questionnaire destributed to these subjects was bi-lingual in both Korean and Japanese. The data results are as follows : The frequency of negotiation was highest when the wife conceived an idealistic balance in the magnitude of authority arld control between she and her husband. On average, those wives who make decisions their husbands through negotiation do not have as high of a magnitude of control and authority as their husbands. These women idealistically believe that a balance of magnitude and authority exists between them and their husbands. On the other hand, in relationships where decisions are made without negotiation, the magnitude of the wife's authority increases as she idealistically perceives herself as being more powerful than her husband.

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PC기반의 생산시스템을 위한 운용소프트웨어 구조 (An Operating Software Architecture for PC-based)

  • 박남준;김홍석;박종구
    • 제어로봇시스템학회논문지
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    • 제7권1호
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    • pp.1196-1204
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    • 2001
  • In this paper, a new architecture of operating software associated with the component-based method is proposed. The proposed architecture comprises 문 execution module and a decision-making module. In order to make effective development and maintenance, the execution module is divided into three components. The components are referred to as Symbol, Gateway, and Control, respectively: The symbol component is for the GUI environments and the standard interfaces; the gateway component is for the network communication and the structure of asynchronous processes; the control component is for the asynchronous processing and machine setting or operations. In order to verify the proposed architecture, and off-line version of operating software is made, and its steps are as follows; I) Make virtual execution modules for the manufacturing devices such as dual-arm robot, handling robot, CNC, and sensor; ii) Make decision-making module; iii) Integrate the modules and GUI using a well-known development tools such as Microsofts Visual Basic; iv) Execute the overall operating software to validate the proposed architecture. The proposed software architecture in this paper has the advantages such as independent development of each module, easy development of network communication, and distributed processing of resources, and so on.

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Cooperative Strategies and Swarm Behavior in Distributed Autonomous Robotic Systems based on Artificial Immune System

  • Sim, Kwee-bo;Lee, Dong-wook
    • 한국지능시스템학회논문지
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    • 제11권7호
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    • pp.591-597
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    • 2001
  • In this paper, we propose a method of cooperative control (T-cell modeling) and selection of group behavior strategy (B-cell modeling) based on immune system in distributed autonomous robotic system (DARS). Immune system is living body's self-protection and self-maintenance system. These features can be applied to decision making of optimal swarm behavior in dynamically changing environment. For applying immune system to DARS, a robot is regarded as a B-cell, each environmental condition as an antigen, a behavior strategy as an antibody and control parameter as a T-cell respectively. The executing process of proposed method is as follows. When the environmental condition changes, a robot selects an appropriate behavior strategy. And its behavior strategy is stimulated and suppressed by other robot using communication. Finally much stimulated strategy is adopted as a swarm behavior strategy. This control school is based on clonal selection and idiotopic network hypothesis. And it is used for decision making of optimal swarm strategy. By T-cell modeling, adaptation ability of robot is enhanced in dynamic environments.

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