• 제목/요약/키워드: Design factors

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Identification and Organization of Task Complexity Factors Based on a Model Combining Task Design Aspects and Complexity Dimensions

  • Ham, Dong-Han
    • 대한인간공학회지
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    • 제32권1호
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    • pp.59-68
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    • 2013
  • Objective: The purpose of this paper is to introduce a task complexity model combining task design aspects and complexity dimensions and to explain an approach to identifying and organizing task complexity factors based on the model. Background: Task complexity is a critical concept in describing and predicting human performance in complex systems such as nuclear power plants(NPPs). In order to understand the nature of task complexity, task complexity factors need to be identified and organized in a systematic manner. Although several methods have been suggested for identifying and organizing task complexity factors, it is rare to find an analytical approach based on a theoretically sound model. Method: This study regarded a task as a system to be designed. Three levels of design ion, which are functional, behavioral, and structural level of a task, characterize the design aspects of a task. The behavioral aspect is further classified into five cognitive processing activity types(information collection, information analysis, decision and action selection, action implementation, and action feedback). The complexity dimensions describe a task complexity from different perspectives that are size, variety, and order/organization. Combining the design aspects and complexity dimensions of a task, we developed a model from which meaningful task complexity factors can be identified and organized in an analytic way. Results: A model consisting of two facets, each of which is respectively concerned with design aspects and complexity dimensions, were proposed. Additionally, twenty-one task complexity factors were identified and organized based on the model. Conclusion: The model and approach introduced in this paper can be effectively used for examining human performance and human-system interface design issues in NPPs. Application: The model and approach introduced in this paper could be used for several human factors problems, including task allocation and design of information aiding, in NPPs and extended to other types of complex systems such as air traffic control systems as well.

Human Factors in Technology Design

  • Lee, Jae-Shin
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2009년도 9th International Meeting on Information Display
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    • pp.303-303
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    • 2009
  • As the technology advances, the product design process is also being complicated. These days, it is common for engineers to consider socio-psychological factors as well as technological elements in the design process. In this work, I will explain why and how engineers make allowances for human factors in developing and designing technological products.

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Apparel design evaluation process from users' perceived values

  • Kim, Jungsook
    • 복식문화연구
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    • 제22권1호
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    • pp.158-166
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    • 2014
  • Apparel design is an economic activity to create values for users over the value chain of a product. In this paper, the contribution of apparel design is defined as the enhancement of users' perceived values by improving users' experience of products. In this context, the value of a product corresponds to compensation for experience or a promise for experience of a product. Experience can be sensory or psychological benefits to users. To evaluate the value of apparel design, the researcher identified and analyzed the apparel design parameters affecting users' experience and benefits of products such as macro-, micro-environmental factors, value chain factors, apparel designer factors, and user factors. For an analytical modeling of the values of apparel design, this paper introduces the concept of a utility function from economics. In economics, utility is a measure of desirability or satisfaction that can be correlative to need or desire. The measure of value can be found in the price which a user is willing to pay for the fulfillment or satisfaction of need or desire via the experience of a product.

철근콘크리트 휨부재 및 압축부재의 재료조항계수 적용에 관한 연구 (Material Resistance Factors for Reinforced Concrete Flexural and Compression Members)

  • 김재홍;이재훈
    • 콘크리트학회논문집
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    • 제12권2호
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    • pp.21-30
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    • 2000
  • In the Ultimate Strength Design, the design strength of a member is determined by multiplying the strength reduction factor to the nominal strength. This concept may be a reasonable approach, however it can not consider failure modes appropriately. Moreover, column design strength diagram show an abrupt change at a low level of axial load, which does not seem to be reasonable. This research compares the design strength determined by the strength resistance factors. As the material resistance factors for flexure and compression, 0.65 and 0.90 are proposed for concrete and steel, respectively. The design strength calculation process by applying material resistance factors addresses failure modes more effectively than by applying member strength reduction factor, and provides more resnable design strength for reinforced concrete flexural and compression members.

원자력발전소의 인간공학 설계 지원을 위한 설계 현안 관리 시스템(DIMS) 개발 (Development of a design issue management system(DIMS) for human factors engineering in nuclear power plants)

  • 이용희;정광태
    • 대한인간공학회지
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    • 제16권3호
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    • pp.77-87
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    • 1997
  • This paper describes the developement of a Design Issue Management System (DIMS). Although human factors engineering has been recognized as one of the critical activities in the design of man-machine system, it has been hardly successful nor effective in practice to cope with the hyman factors requirements by regulations. For supporting the human factors engineering in nuclear power plants, DIMS ahs three major modules : Design Requirements Data Base, Design Issue Tracking System, Issue Evaluation Support System. These modules function as formal verification architects that the licensing authority requests for verifying the safety of the equip- ment and facilities in nuclear power plants. An example application to an operator support system, named Critical Function Monitoring System, during its independent review of the human factors shows the usage and the benefit of DIMS.

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소나 음향창의 설계 인자가 난류 유동 유기 자체 소음의 전달 함수에 미치는 영향 해석 (The Influence of Design Factors of Sonar Acoustic Window on Transfer Function of Self Noise due to Turbulent Boundary Layer)

  • 신구균;서영수;강명환;전재진
    • 한국소음진동공학회:학술대회논문집
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    • 한국소음진동공학회 2012년도 추계학술대회 논문집
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    • pp.568-574
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    • 2012
  • Turbulent boundary layer noise is already a significant contributor to sonar self noise. For developing acoustic window of sonar system to reduce self noise, a parametric study of design factors of acoustic window is presented. Distance of sensor array from acoustic window, material and damping layer are studied as design factors to influence in the characteristics of the transfer function of self noise. As the result these design factors make change the characteristics of transfer function slightly. Among design factors the location of sensor array is most important parameter in the self noise reduction.

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중등학교 건축 규모계획 기준에 따른 결정인자 분석에 관한 연구 (A Study on the Architectural Planning Criteria and Factors for Secondary Schools)

  • 맹준호
    • 교육녹색환경연구
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    • 제2권2호
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    • pp.35-51
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    • 2002
  • This study is on the architectural planning and factors for secondary schools. The methods in the approach to the results were settled. A sample of factors that affect architectural scale design were drawn from architectural design direction for a secondary school architectural scale estimation direction. These factors arc broken into primary elements and situational elements. Primary elements include students, teachers, and time. Situational elements include public use percentage, classroom percentage, unit area, coefficient of utilization, etc. The 7 architectural planning criteria to cover changes of various architectural scale design elements are the following; 1) consideration of students selection percentage, 2) consideration of the number of teachers, 3) a variety of possible classrooms, 4) organic operation, 5) efficient time management, 6) consideration of different teaching method depending on subjects, 7) coefficient of utilization with flexibility.

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지속가능한 실내디자인 평가요인과 미국 반영도 조사 (A study on sustainable interior design factors and their application in the U.S.)

  • 강미현;이소영
    • 한국실내디자인학회논문집
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    • 제16권5호
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    • pp.107-114
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    • 2007
  • Sustainable interior design is defined as interior design in which all systems and materials are designed with an emphasis on integration into a whole for the purpose of minimizing the negative impacts and maximizing the positive impacts on environmental, economic, and social systems over the life cycle of the interior components of a building. To achieve sustainability, it is important to pay attention to the design factors that significantly affect environmental eco-system. The purpose of this study was to describe how interior designers applied sustainable intoner design factors and how important they perceived sustainable interior design factors to be. Internet-based survey of interior design practitioners was conducted to collect data. A random sample was drawn from the American Society of Interior Designers membership list. Findings indicated that although interior designers acknowledge the importance of sustainable design practice, they have not frequently applied it to their projects. The results of this study suggest future educational strategies for students majoring in interior design and continuing education for intoner design professionals.