• Title/Summary/Keyword: System Safety Activity

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위험관리시스템 구축을 위한 정량적 안전평가 절차 (Procedure of Quantitative Safety Assessment for Risk Management System)

  • 정원
    • 한국신뢰성학회지:신뢰성응용연구
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    • 제9권3호
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    • pp.165-176
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    • 2009
  • The risk management case is an organization's formal arrangement to ensure the safety of its work activity within risk management system. It allows an organization to demonstrate its capability in achieving its safety objectives and in meeting regulatory requirements. This paper presents how the safety assessments are described, prepared and maintained to meet the criteria specified by the upcoming safety regulations. We propose the elements of risk management system that include arrangements for the ongoing identification of hazards, assessment of risks and the implementation of necessary control measures.

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Analysis of Safety Assessment Methodology for Railway Signaling Systems

  • Hwang, Jong-Gyu;Jo, Hyun-Jeong;Yoon, Yong-Ki
    • International Journal of Safety
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    • 제6권2호
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    • pp.38-42
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    • 2007
  • As railway signaling system is computerized, the significance on safety demonstration and assessment has been increased. Therefore, railway signaling system should reflect the needs for safety assessment technique. Various studies on safety assessment technique for railway signaling have been made in Europe and standardization of the requirements for safety acceptance has been initiated by IEC. In order to develop and establish the safety assessment techniques for railway signaling in Korea, we try to review safety assessment activities for signaling system via reviewing relevant case studies and consulting with experts. And also we propose the safety assessment activity/methodology for Korean railway signaling system.

Safety Case 문서를 기반한 열차제어시스템 안전성 평가방법 분석 (Analysis of Safety Assessment of Railway Signalling by Safety Case Documents)

  • 황종규;조현정;윤용기;김용규
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2007년도 춘계학술대회 논문집
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    • pp.1016-1022
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    • 2007
  • It is demanded to produce the safety evidence documents in other to approval safety characteristic of railway signaling system which stands is included, it is demanding from IEC 62425 standards. Also it is express clearly that safety assessment if signaling system has to be verification of these safety evidence documents. This Safety Case has the results of safety activity through system life-cycle, such as hazard lists, hazard identification and analysis, risk assessment and countermeasure, verification and test results. Consequently, first of all, the analysis and verification of these Safety Case documents has to be accomplished to approval and acceptance of signaling system safety. And also if the safety assessor was want, it is able to be experimental test auditory which is, arbitrary faults injection test, to above described documents verification. In this paper, the contents and architecture of Safety Case are presented as first steps of safety assessment technology establishment for railway signaling system.

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중소기업의 산업안전 제고방안 - 사회 심리적 접근을 중심으로 - (- Improving industrial safety in small business: from the socio-psychological point of view -)

  • 안관영
    • 대한안전경영과학회지
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    • 제6권4호
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    • pp.11-24
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    • 2004
  • Recently occupational safety and health literatures begin to emphasize the influence of social, organizational or psychological context. Based on this research trend, this paper tried to review the relationship between safety climates and safety compliance. Based on the responses from 385 manufacturing workers, this paper reviewed the relationships among safety climates, safety motivation, and safety compliance. The results of statistical analysis showed that all safety climate factors(management involvement, leadership, safety training, precaution activities, safety system) have affirmative effects on safety motivation and safety compliance. Also, safety motivation appeared to have mediating effects on the relationship between 5 safety climate factors and safety compliance. Especially it appeared to have full mediating effects on the relationship between safety training/ safety system and safety compliance.

중소기업의 산업안전 제고방안 - 사회심리적 접근을 중심으로 - (Improving industrial safety in small business: from the socio-psychological point of view)

  • 안관영
    • 대한안전경영과학회:학술대회논문집
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    • 대한안전경영과학회 2004년도 추계학술대회
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    • pp.183-188
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    • 2004
  • Recently occupational safety and health literatures begin to emphasize the influence of social, organizational or psychological context. Based on this research trend, this paper tried to review the relationship between safety climates and safety compliance. Based on the responses from 385 manufacturing workers, this paper reviewed the relationships among safety climates, safety motivation, and safety compliance. The results of statistical analysis showed that all safety climate factors(management involvement, leadership, safety training, precaution activities, safety system) have affirmative effects on safety motivation and safety compliance. Also, safety motivation appeared to have mediating effects on the relationship between 5 safety climate factors and safety compliance. Especially it appeared to have full mediating effects on the relationship between safety training/ safety system and safety compliance.

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안전한 캠핑장 운영을 위한 정책적 개선방안에 관한 연구 (A study on the Improvement of Policy Direction for Safe Camping Ground Activities)

  • 박소순;오금호
    • 대한안전경영과학회지
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    • 제15권4호
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    • pp.25-35
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    • 2013
  • Recently, national leisure activities have increased in proportional to having time and money to spare for living on. Especially, camping activities are positioned as a new leisure type for middle class families, so that it is expected that camping facilities are also rapidly increased. However, there is no institutional measures for safe camping activity. It is urgently requested that camping activities including designing and operating campsite are regulated within the legal system. In this study, the status of camping activities and its legal system are investigated. The strategic policy directions for safe camping activity are suggested in the view of legal system, operational guidelines, and institutional supports; (1) the legal basis for camping activities should be prepared. (2) the supervision of campsite management should be improved based on informational services. (3) the self-operation guidelines for campsite owners should be developed and provided. (4) the criteria of safety assessment for design and operating campsite should be prepared. (5) the safety information of campsite should be published and shared among camping communities.

열차제어시스템 소프트웨어 안전성 평가기법 (Safety Assessment of Train Control System Software)

  • 한재중;조병태;황종규;조현정;김형신
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2007년도 춘계학술대회 논문집
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    • pp.272-279
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    • 2007
  • Recently, train control system is adopting computer system replacing mechanical system and its software is taking more responsibility than ever. Train control system software is a safety-critical embedded software with realtime and high reliability requirements. In this paper, we propose a safety assessment method for the train control system software. We review characteristics of train control system software and analyze related international software safety standards to derive requirements for safety assessment. Testing tools used for embedded software are surveyed to find a feasible safety assessment architecture. The proposed safety assessment method is to use safety activity results generated during development processes and feed them to the runtime embedded software testing tool.

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강동구사례를 중심으로 한 안전모니터링활동의 효율적인 운영시스템 개선방안에 관한 연구 (A Study on the Improvemental Method for Effective Operating System of Safety Monitoring Activity in case of Gangdong-gu)

  • 김성수;홍현숙;이태식
    • 한국방재안전학회논문집
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    • 제6권1호
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    • pp.9-17
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    • 2013
  • 정부부처는 지역사회 내 크고 작은 재난 및 안전사고를 사전에 예방하여 사망자 및 재해자수를 경감시키고 기능적으로 안전을 개선하기 위한 목적으로 행정안전부의 안전모니터링시스템, 소방방재청의 재난전조정보시스템, 국토해양부의 시설위험 신고시스템, 환경부의 환경감시시스템 등을 운영하고 있으며, 대부분 안전 위험요소를 신고하면 이를 개선하여 줄 수 있는 다양한 민원시스템을 갖추고 있다. 본 연구에서는 강동구에 거주하며 방재안전관리사 마스터교육과정을 이수한 전문자원봉사자가 행정안전부 안전모니터링시스템의 핵심이라 할 수 있는 안전모니터링활동을 2012년부터 강동구 최초로 지속적인 신고활동을 해오며 안전모니터봉사단의 전반적인 운영실태를 조사하였으며, 강동구를 서울시 안전모니터링 표준모델로 설정하여 강동구 및 개인 신고 및 제보활동사례의 통계자료분석을 통한 문제점을 도출하여 지역사회특성에 맞는 안전모니터링활동의 효율적인 운영시스템 개선방안을 제시하였다.

RAM과 Safety 활동을 통한 열차제어시스템 RAMS 체계 (RAMS management system for railway signaling with RAM and Safety activities)

  • 황종규;조현정
    • 대한전자공학회:학술대회논문집
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    • 대한전자공학회 2008년도 하계종합학술대회
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    • pp.1133-1134
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    • 2008
  • There are several international standards, established by IEC, for RAMS management of railway system. Those int'l standards are described only total RAMS management, but RAM and safety activities have dissimilar characteristics. In this paper, we suggest the separated RAMS architecture with RAM and safety activity for railway signaling system.

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Low Temperature Catalytic Activity of Cobalt Oxide for the Emergency Escape Mask Cartridge

  • Park, Jae-Man;Kim, Deog-Ki;Shin, Chang-Sub
    • International Journal of Safety
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    • 제1권1호
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    • pp.58-61
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    • 2002
  • A preparation method of cobalt supported alumina catalyst for a emergency escape mask cartridge has been studied. Catalysts were prepared by incipient wetness impregnation method using pre-shaped $\gamma$=alumina powders of 70-100 mesh. The catalyst was tested in a continuous-flow reactor system and characterized by elemental analysis, BET and TGA-DTA techniques. Cobalt shows higher activity than platinum or nickel for carbon monoxide oxidation at room temperature. Optimum loading amount of cobalt was 10 wt.% for CO oxidation and the reaction activity increases gradually with the increase of calcination temperature up to $450^{\circ}C.