• 제목/요약/키워드: Human factors

검색결과 6,717건 처리시간 0.033초

신고리 1, 2호기 원자력발전소 주제어실 환경설계 (A Human-Environment Design for Main Control Rooms in SHIN-KORI 1.2 Nuclear Power Plants)

  • 변승남;김사길;류제혁
    • 산업공학
    • /
    • 제17권spc호
    • /
    • pp.37-45
    • /
    • 2004
  • Human factors engineering design guidelines for main control rooms(MCR) in nuclear power plants(NPP) have been applied to optimize human-machine interface(HMI) between operators and their equipment on the basis of physical, physiological and cognitive aspects. However, the HMI design for MCR is not found to be sufficient to maximize operators' performance since the operators in the MCR experience excessive stress due to the environmental factors such as inappropriate interiors and illumination. Therefore, well-designed environment of the MCR may be equally important to improve human performance in the MCR. The objectives of the study are two-fold: (1) to propose an interior design of SHIN-KORI 1 2 for pleasant and comfortable working environments, and (2) to design indirect lighting system to enhance visibility and productivity. The human factors engineering checklists were developed to examine whether or not the proposed human-environment design for SHIN-KORI 1 2 satisfies the regulations and guidelines presented by NUREG-0700 Revision 1. The implications of the human-environment design are discussed in detail.

A Human Immunodeficiency Virus Type 1 (HIV-1) Tat Cofactor Absent in Rodent Cells is a TAR-associated Factor

  • Lee, Im-soon;Shank, Peter R.
    • IMMUNE NETWORK
    • /
    • 제2권3호
    • /
    • pp.150-157
    • /
    • 2002
  • Background: Although Tat plays a role as a potent transactivator in the viral gene expression from the Human Immunodeficiency Virus type 1 long terminal repeat (HIV-1 LTR), it does not function efficiently in rodent cells implying the absence of a human specific factor essential for Tat-medicated transactivation in rodent cells. In previous experiments, we demonstrated that one of chimeric forms of TAR (transacting responsive element) of HIV-1 LTR compensated the restriction in rodent cells. Methods: To characterize the nature of the compensation, we tested the effects of several upstream binding factors of HIV-1 LTR by simple substitution, and also examined the role of the configuration of the upstream binding factor(s) indirectly by constructing spacing mutants that contained insertions between Sp1 and TATA box on Tat-mediated transactivation. Results: Human Sp1 had no effect whereas its associated factors displayed differential effects in human and rodent cells. In addition, none of the spacing mutants tested overcame the restriction in rodent cells. Rather, when the secondary structure of the chimeric HIV-1 TAR construct was destroyed, the compensation in rodent cells was disappeared. Interestingly, the proper interaction between Sp1 and TATA box binding proteins, which is essential for Tat-dependent transcription, was dispensable in rodent cells. Conclusion: This result suggests that the human-specific Tat cofactor acts to allow Tat to interact effectively in a ribonucleoprotein complex that includes Tat, cellular factors, and TAR RNA, rather than be associated with the HIV-1 LTR upstream DNA binding factors.

Antecedents of self-reported safety behaviors among commissioning workers in nuclear power plants: The roles of demographics, personality traits and safety attitudes

  • Tao, Da;Liu, Zhaopeng;Diao, Xiaofeng;Tan, Haibo;Qu, Xingda;Zhang, Tingru
    • Nuclear Engineering and Technology
    • /
    • 제53권5호
    • /
    • pp.1454-1463
    • /
    • 2021
  • Demographics, personality traits and attitudes are related to safety behaviors in varied workplaces, but their roles in nuclear power plants (NPPs) have not been fully understood. This study was conducted to explore the roles of a set of demographic, personality and attitudinal factors on self-reported safety behaviors (including safety participation and human errors) among NPP commissioning workers. Survey data were collected from 157 Chinese commissioning workers. Results showed that age and work experience were significantly associated with human errors, but not with safety participation. Neuroticism and conscientiousness were significantly related to human errors, while neuroticism, conscientiousness and agreeableness were significantly related to safety participation. Attitude towards questioning was observed as an antecedent of safety participation, and functioned as a mediating variable in the relation between conscientiousness and safety behaviors. The findings provide evidence-based implications on the design of diverse interventions and strategies for the promotion of safety behaviors in NPPs.

Human Factors in Technology Design

  • Lee, Jae-Shin
    • 한국정보디스플레이학회:학술대회논문집
    • /
    • 한국정보디스플레이학회 2009년도 9th International Meeting on Information Display
    • /
    • pp.303-303
    • /
    • 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.

  • PDF

Predictors of Mammography Screening among Iranian Women Attending Outpatient Clinics in Tehran, Iran

  • Ahmadian, Maryam;Samah, Asnarulkhadi Abu;Redzuan, Ma'rof;Emby, Zahid
    • Asian Pacific Journal of Cancer Prevention
    • /
    • 제13권3호
    • /
    • pp.969-974
    • /
    • 2012
  • Mammography utilization is low in Iran compared with other countries. Here a cross-sectional survey design was used to investigate psycho-social and individual factors associated with mammography among 400 women asymptomatic of breast cancer. The study was carried out at the four outpatient clinics of Tehran during the period from July through October, 2009. We found that mammography screening was related to higher self-efficacy and women's occupation. Future tailored interventions on potential psycho-social determinants and specific demographic factors are critical in increasing mammography screening rates among Iranian women.

터널안전에 대한 인적위험 요소와 대피행동 간의 관계분석 (Analysis of the Relationship between Human Risk Factors and Evacuation Behavior for Tunnel Safety)

  • 백충현;박세만;최병정
    • 한국산학기술학회논문지
    • /
    • 제20권7호
    • /
    • pp.535-546
    • /
    • 2019
  • 본 연구는 터널 내 안전에 대한 인적위험 요소와 대피행동 단계 간의 관계분석을 위해 실시되었다. 따라서 본 연구는 터널을 이용하는 운전자로서 터널 환경을 이해하는 141명을 대상자로 하여 인적위험 요소와 대피행동에 대하여 터널 안전을 위해 안전시설물과 안전행동의 최적화된 상호작용을 이끌어 내기 위해 구조화된 설문을 통하여 관계 조사연구를 진행하였다. 설문조사 기간은 2018년 6월 24일부터 9월 28일까지 진행하였다. 자료 분석방법은 빈도분석, 다중회귀분석(Multiple Regression Analysis), Independent Sample t-test를 실시하였다. 연구결과 인적위험 요소와 대피행동 주요 변인간의 상관관계에 있어서 대피단계 1, 2, 3 가속화와 지연의 관계는 모두 상관관계가 있었으며, 인적위험 요소는 부분적으로 상관관계가 나타났다. 다음으로 다중회귀분석을 이용해 인적위험 요소와 대피행동 간의 영향관계에 영향을 미치는 요인으로 법규준수의지(${\beta}=0.188$, p=0.034)와 터널 내 정보인지(${\beta}=0.220$, p=0.009)로 나타나, 인적위험 요소가 대피행동 3 가속화에 미치는 영향력에 대한 12%의 설명력을 나타냈다. 본 연구에서 인적위험 요소와 대피행동 간의 중요한 변인은 법규준수와 터널 내 정보인지임을 확인하였다. 따라서 터널 내 환경과 상호작용하는 요소의 연구가 필요하다.

인적오류의 세부적 분류와 실증분석에 관한 연구 (A Study on the Detailed Classification and Empirical Analysis of Human Error)

  • 김양규;김칠영;최연철
    • 한국항공운항학회지
    • /
    • 제10권1호
    • /
    • pp.9-20
    • /
    • 2002
  • In aviation, it is important to analyse and classify human error in detail. Because human error has been implicated in 70 or 80% of aviation accidents in literature review. But, there is little detailed classification and research of human error. In this study, Objectives are to establish human error model by classifying types of human error in detail and also to analyse human factors by using the established model. Analysis of the data uses Korea Aviation Incidents Reporting System(GYRO). The resulting from actual analysis, there is a some difference between flight steps for human error occurrence and types of human error are different according to the aviation personnel(pilot, ATC controller).

  • PDF

Determining attitudinal and behavioral factors concerning milk and dairy intake and their association with calcium intake in college students

  • Rose, Angela M.;Williams, Rachel A.;Rengers, Brooke;Kennel, Julie A.;Gunther, Carolyn
    • Nutrition Research and Practice
    • /
    • 제12권2호
    • /
    • pp.143-148
    • /
    • 2018
  • BACKGROUND/OBJECTIVES: Average intake of calcium among college students is below the recommended intake, and knowledge surrounding the attitudinal and behavioral factors that influence milk and dairy intake, a primary food source of calcium, is limited. The purpose of this study was to evaluate college students' attitudes and behaviors concerning milk and dairy consumption and their association with calcium intake. SUBJECTS/METHODS: Participants were 1,730 undergraduate students who completed an online survey (SurveyMonkey) as part of baseline data collection for a social marketing dairy campaign. The online survey assessed attitudes and behaviors concerning milk and dairy intake, and calcium intake. Questions about milk- and dairy-related attitudes and behaviors were grouped into 14 factors using factor analysis. Predictors of calcium intake were then evaluated. RESULTS: Median calcium intake across all participants was 928.6 mg/day, with males consuming higher calcium intakes than females (P < 0.001). Adjusted for gender, calcium intakes were most strongly (and positively) correlated with associating milk with specific eating occasions and availability (i.e., storing calcium-rich foods in one's dorm or apartment) (both P < 0.001). Other correlates of calcium intake included: positive-viewing milk as healthy (P = 0.039), having family members who drink milk) (P = 0.039), and taking calcium supplements (P = 0.056); and negative-parent rules concerning milk (P = 0.031) and viewing milk in dining halls negatively (P = 0.05). CONCLUSIONS: Calcium intakes among college students enrolled in the current study was below the recommended dietary allowance of 1,000 mg/day, reinforcing the need for dietary interventions in this target population, especially females. Practitioners and researchers should consider the factors found here to impact calcium intake, particularly associating milk with specific eating occasions (e.g., milk with breakfast) and having calcium-rich foods available in the dorm room or apartment, as intervention strategies in future efforts aimed at promoting milk and dairy foods and beverages for improved calcium intake in college students.