• 제목/요약/키워드: Distributed Decision Making

검색결과 213건 처리시간 0.023초

부하 균등화 기법 연구 (A Study on the Load Balancing Strategy)

  • 김광휘;정구영
    • 한국컴퓨터산업학회논문지
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    • 제5권9호
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    • pp.841-850
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    • 2004
  • 본 논문은 분산 시스템하에서 효율적인 분산자원 관리를 위하여, 각 노드는 정확한 의사 결정을 내려야 하는데, 이에 장애가 되는 통신 네트워크상의 지연, 통신 주기, 기타 의사 결정을 위한계산 시간등을 충분히 고려하였다. 또한, 직접 통신 방식을 사용하여 전체 시스템의 성능을 향상시킬 수 있다. 불확실한 부하정보는 시간변화에 따라 부하 정보에 대한 유용성을 변화 시켜 완화하였다.

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의류 제품 구매시 소재의 영향과 소비자 소재 선호 구조 분석 (The Analysis of Fabric Impact and Consumer′s Preference for Fabric on Clothing Purchase)

  • 정인희
    • 한국의류학회지
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    • 제26권1호
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    • pp.83-94
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    • 2002
  • This study was intended to identify fabric impact on decision-making process for clothing purchase, to determine evaluation factors of clothing, and to analyze consumer's preference for fabric on clothing purchase. 396 questionnaires distributed to college students were analyzed by descriptive statistics, oneway ANOVA, correlation, factor analysis and multidimensional scaling. The results are as follows; (1) Fabric impacted on the pre-purchase evaluation and the post-purchase process. (2) 4 factors - physical properties, outer-consciousness, self-satisfaction, and appropriateness- were determined as evaluation factors. Though fabric was included in the physical properties, fabric presented high correlations with other evaluative elements. (3) The most preferred fabric was being composed of natural fiber in fiber contents and having softness in sensation. As a result of multidimensional scaling, 2 dimensions of fabric sensation were developed as 'soft-hard'and 'thin-thick'.

소비가치와 의복구매전 의사결정과의 관계 (Relating Consumption Values to Pre-purchase Decision Making of Apparels)

  • 한희정;김미숙
    • 한국의류학회지
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    • 제26권6호
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    • pp.853-864
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    • 2002
  • The purpose of this study was to measure consumption values and to investigate the differences in the process of decision making when purchasing apparel products among groups divided by consumption values. A self-administered questionnaire was distributed to 550 subjects in their 20's and 30's from Sepember 29th to October 25th in 2001; 463 were used for the data analysis. The results of this study were as follows; Consumption values were classified into five factors: Practical/functional value, Social/conformitive value, Subjective/aesthetic value, Epistemic value and Conspicuous value. Subjects were classified into 4 groups based on consumption values: the Conspicuous, the Epistemic, the Social/conformitive and the Indifferent. There were significant differences among the four groups in selected motives in the problem recognition process. Significant differences were found among the groups in own taste & personality in the information search process. Significant difference were also found in the importance of design, color, price, coordination, fashion and self-image in the alternative evaluation process.

대학생의 의류소재 인지도 및 의복구매시 선택기준과 소재의 영향 (The Fabric Knowledge and the Selection Criteria & Fabric Impact on Clothing Purchase of University Students)

  • 최종명
    • 한국생활과학회지
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    • 제13권6호
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    • pp.935-941
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    • 2004
  • The purpose of this study is to survey fabric knowledge about apparel products, and to identify not only clothing purchase criteria but the impact of fabrics on the decision-making process in clothing purchase. The 234 questionnaires were distributed to university students(120 males, 114 females), and were analyzed by frequencies, t-test, $x^{2}$ and ANOVA. The results are as follows: 1) The students had apparel fabrics knowledge above the average, and there were partially significant differences in the knowledge by genders. 2) They put a higher priority, in purchasing apparel products, on factors such as design, size, color, fabric, and price of clothing than those including ease of care, sewing, and fashion trend. 3) The consideration of fabrics influenced a post-purchase process. 4) Male students showed less concern, except information search process, with the fabric than females in the decision-making process for clothing purchase.

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인공면역계 기반의 자율이동로봇군의 협조행동전략 결정 (Artificial immune network-based cooperative beharior strategies in collective autonomous mobile rotos)

  • 이동욱;심귀보
    • 전자공학회논문지S
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    • 제35S권3호
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    • pp.102-109
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    • 1998
  • In this paper, we propose a method of cooperative control based on immune system in distributed autonomous robotic system(DARS). Immune system is living body's self-protection and self-maintenance system. Thus these features can be applied to decision making of optimal swarm behavior in dynamically changing environment.For the purpose of applying immune system to DARS, a robot is regarded as a B lymphocyte(B cell), each environmental condition as an antigen, and a behavior strategy as an antibody respectively. The executing process of proposed method is as follows. When the environmental codintion changes, a robot select an appropriate beharior stategy. And its behavior stategy is stimulated and suppressed by other robot using communiation. Finally much stimulated strategy is adopted as a swarm behavior strategy. This control scheme is based on clonal selection and idotopic network hypothesis. And it is used for decision making of optimal swarm stragegy.

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가족구매의사결정에서의 갈등관리 전략에 관한 연구 (Conflict Management in Family Pruchase Decision Making)

  • 윤숙현;김순미
    • 가정과삶의질연구
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    • 제9권2호
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    • pp.253-265
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    • 1991
  • The purpose of this study was to investigate conflict management in family purchase behavior of urbanite by applying a systems approach. For this purpose, 230 questionnaire were distributed to the married men and women in Seoul. The 216 data were analyzed by Frequency, Percentile, Mean, t-test, ANOVA, Duncan's Multiple Range Test. The result were as follows. 1) According to the type of goods, the level of marital conflict in purchase decision making had differences significantly 2) According to the type of goods and the level of conflict, conflict management had differences significantly. 3) According to the level of conflict and the basic environmental characteristics, purchase management satisfaction had differences significantly. Through these results, the applicability of systems approach to family purchase behavior was shown. Family purchase behavior could be understood in environmental suprasystem, with considering the relationship of subsystem's components.

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자율이동로봇군의 협조전략과 군행동의 실현을 위한 면역시스템의 모델링 (An Immune System Modeling for Realization of Cooperative Strategies and Group Behavior in Collective Autonomous Mobile Robots)

  • 이동욱;심귀보
    • 한국지능시스템학회:학술대회논문집
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    • 한국퍼지및지능시스템학회 1998년도 춘계학술대회 학술발표 논문집
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    • pp.127-130
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    • 1998
  • 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. Thus these features can be applied to decision making of optimal swarm behavior in dynamically changing environment. For the purpose of 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-call 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 scheme is based of 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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Team Situation Awareness in VTS

  • 정기남;하윤주;문재호;정소희
    • 한국항해항만학회:학술대회논문집
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    • 한국항해항만학회 2013년도 춘계학술대회
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    • pp.432-434
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    • 2013
  • VTS에서 항해하는 선박들은 자율적인 행위자들로서 서로 영향을 끼치며 상호작용하는 한편 서로의 안전에 대해서 상호의존하게 된다. 복잡한 항해상황에서의 불확실성으로 인한 위험을 극복하기 위한 방안으로 최근에 상황자각 이론이 각광을 받고 있다. 하지만 다수의 선박들에 의한 개별적인 상황판단이 제대로 이루어진다 하더라도 동일한 상황에 대한 해석이 서로 다른 경우 사고로 이어질 우려가 높다. 본질적으로 VTS 항해는 인지 과업을 서로 도와가면서 항해하는 시스템이라고 할 수 있다. 본고에서는 팀 상황자각이 공통기반과 동일한 멘탈모델에 의해 성공적으로 이루어지는 과정을 논의하고, 상황자각 실패 사례를 통해 좀 더 구체적으로 살펴보았다. 또한 팀 상황자각과 관련하여 커뮤니케이션의 중요성을 강조하고 VTS 항해 상황에서 항해자들의 팀상황자각을 실질적으로 도울 수 있는 방법으로 '공동운용화면' 시스템을 제안하였다.

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군 의료기관에서의 공유의사결정이 환자만족도에 미치는 영향 (Impact of Shared-Decision Making on Patient Satisfaction in Military Hospitals)

  • 민현준;서원식
    • 한국콘텐츠학회논문지
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    • 제11권11호
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    • pp.338-349
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    • 2011
  • 이 연구는 공유의사결정 정도와 환자만족도 간 관계를 분석하여 군 의료기관 의료서비스 만족도 제고방안을 제시하기 위해 시도되었다. 조사는 2010년 4월 9일부터 5월 10일까지 약 1개월간 S 군의료기관과 유사한 성격의 국립OO병원 2개 병원의 외래 및 입원 병사 총 514명을 대상으로 하였다. 분석결과 공유의사결정은 환자만족도에 정(+)의 영향을 미쳤으며 이는 모든 만족도 모형에서 유의하였다. 이는 의료진이 제시한 다양한 선택의 기회 중 최선안을 선택하는 수동적 형태의 참여보다 의료진에게 본인의 질병을 충분히 설명하고 의사결정에 적극적으로 참여하는 능동적인 형태의 참여과정이 환자만족도 제고에 더 효과적일 수 있음을 시사한다. 국방수호 의무를 책임지며 군 장병들의 건강 증진 및 유지를 기본 임무로 삼고 있는 군 의료기관의 발전적인 의료서비스 수행을 위해 공유의사결정은 중요한 수단이 될 수 있다고 판단된다.

일부 근로자의 운동행위 변화단계에 영향을 미치는 요인 (Factors Effecting to the Stage of Change for Exercise on the Workers)

  • 서기순;이동배
    • 보건교육건강증진학회지
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    • 제23권1호
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    • pp.63-75
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    • 2006
  • Objective: This study was performed to identify the related factors of change affecting the stage of change, on the assumption that there are various stages of change in the exercise behavior of workers. Method: The subjects of the study consisted of 138 workers of 10 workplaces located in Daejeon City, and data collected by using questionnaires were analyzed with SPSS/WIN 11.5 program. Results: The subjects were distributed in the stage of exercise behavior change as follows: precontemplation stage(10.9%), contemplation stage(22.5%), preparation stage(41.3%), action stage(8.7%), and maintenance stage(16.7%). Of the process of change depending on the stage of exercise behavior change, the consciousness raising(F=11.50, p=.00), dramatic relief(F=2.82, p=.02) showed significant difference in the cognitive process, and the counter conditioning(F=4.56, p=.00), reinforcement management(F=4.64, p=.00), self-liberation(F=9.46, p=.00), and stimulus control(F=13.28, p=.00) showed significant difference in the behavioral process. For decision-making depending on the stage of exercise behavior change, both the pros of decision-making(F=9.23, p=.00) and the cons of decision-making(F=2.45, p=.04) showed significant difference. Self-efficacy depending on the stage of exercise behavior change showed significant difference as F=11.50, p=.00. The related factors of change affecting the stage of exercise behavior change were the pros of decision-making, the cons of decision-making, and self-efficacy including 34.1% R-square. Conclusion: In order to change the exercise behavior of workers positively, they need to be stimulated to use the cognitive and behavioral process in the process of change properly, and to be induced to make a decision positively. And also exercise programs suitable to various characteristics of each worker as well as those of workplaces to enhance self-efficacy need to be applied after being devised. Through the further longitudinal research, it is necessary to analyze the various aspects, such as groups to select, to maintain, to stop or give up the exercise, and to avoid the change, and to study how the related factors of change affect diversity like the above.