• 제목/요약/키워드: Safety System

검색결과 17,436건 처리시간 0.043초

생산과 안전의 효율화를 위한 Web 기반 지식베이스 진단시스템 구현 (A Study on the Development of a Web Based Knowledge-Based Diagnosis System for Production and Safety Efficiency)

  • 이선태;박상민;남호기
    • 대한안전경영과학회:학술대회논문집
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    • 대한안전경영과학회 2000년도 추계학술발표논문집
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    • pp.269-279
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    • 2000
  • To keep enterprise's competitiveness on condition of the automatic manufacturing system such as FA, FMS and CIM, all the maintenance problems should be considered seriously in not only production and maintenance but also related Industrial safety. As we analyze in the surveys for the maintenance management of domestic enterprises and the causes of industrial accident, there will be necessity of drawing up countermeasures for prevention of industrial accidents and for ensuring expertise maintenance technologies. Based on these analyses, this study studied the safety information system, maintenance management information system, and the machinery condition diagnosis technique by using of the knowledge-based system under the internet environment. This web based knowledge-based diagnosis system can easily provide not only the knowledge of expert about deterioration phenomenon of industrial robot, but also the knowledge of relating safety and facility on everywhere, everytime. Therefore, when we use this system, it is expected to improve the efficiency of business processes in the production and safety.

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컴퓨터기반 철도신호제어시스템의 안전성 확보에 관한 연구 (A Study on Safety for Computer Based Railway Signaling Control System)

  • 신덕호;이종우
    • 대한전기학회논문지:전기기기및에너지변환시스템부문B
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    • 제53권11호
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    • pp.641-646
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    • 2004
  • Computer system is widely used for controlling systems such as nuclear power plant, train speed control and air plane control. The failure of computerized controlling system can be arrived to catastrophic accident, so the safety ensuring of computerized controlling system is very important. This paper shows how to improve and ensure the safety of computerized systems. In this paper, we show how to identify, analyze hazards of the computerized system and to demonstrate risk of the system. Finally, we show how to adopt safety techniques for improving safety of the target system.

자율 안전 관리 정착을 위한 HPMA System에 관한 연구 (A Study on HPMA System for Establishment of Voluntary Safety Management)

  • 목연수;이동훈;장성록;김승한;이영섭
    • 한국안전학회지
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    • 제11권2호
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    • pp.128-135
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    • 1996
  • The aim of this study is that HPMA(Hazard Potentials in My Areas) System is to present for establishment of the voluntary safety management on industrial region. HPMA System Itself means that manager, supuryisor and worker on process-line find out the hazardous and/or unsafe potentials from their work places and make the plan of improvement by means of mutual communication with top manager and the department of safety staff, eventually put in the practice. In case that it takes the longer time to improve hazard potentials and is impossible improvement by existing technique, appropriate check-list will be used by the worker himself on the identified production line. Form this system, therefore, it makes them to get more and more sensitivity to the hazards. In this study, we present the voluntary safety management system which is controlable systematically and in the final analysis the direction of safety management by computerization of HPMA System which is activated in their work places.

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승강기 검사주기 조정을 위한 안전품질 등급제 핵심항목 선정 및 중요도 평가 (Determination of Key Factors and Evaluation of Their Importance in the Elevator Safety Quality Rating System for the Purpose of Adjusting the Elevator Inspection Cycle)

  • 노경민;한관희
    • 산업경영시스템학회지
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    • 제45권4호
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    • pp.70-78
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    • 2022
  • Recently, elevator inspection and self-examination were strengthened through the revision of the Elevator Safety Management Act, but there have been no significant reduction in serious accidents and major failures. Therefore, the government intends to lay the foundation for reflecting the safety quality rating system, which adjusts the elevator inspection cycle, as a policy to induce safety management of preemptive and active management entities. This study systematically reviewed and classified the safety quality rating system for elevator inspection cycle adjustment in previous studies, collected expert opinions, and reconstructed the key items into realistic evaluation items, and evaluated and scored the relative importance of each factor through the AHP technique.

식품위해 인식과 식품불안감이 식품안전관리제도평가에 미치는 영향: 식품안전정보 인식의 조절효과를 중심으로 (Food Hazard Awareness and Food Apprehension towards Food Safety Management System Evaluation: Focus on Moderating Effect of Food Safety Information Awareness)

  • 이승신
    • Human Ecology Research
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    • 제54권1호
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    • pp.69-81
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    • 2016
  • Consumer anxiety about food safety is increasing, and the ability to make an accurate assessment is inadequate due to the lack of food safety information. This research focuses on relations among main variables, such as food hazard awareness, food apprehension, food safety information awareness, and food safety management system evaluation. In addition, to the moderating effects of food safety information awareness between food hazards awareness, food apprehension, and food safety management system evaluation. First, food hazards awareness and apprehension was slightly higher than the average level, also there was a significant difference in food hazard apprehension according to food hazard awareness. However, the level of food safety information was not high, meaning consumers were not as well informed as expected. We divided food safety management system evaluation into awareness and practice, subsequently, the results of both were at a low level. Food safety information awareness' moderating effect was also confirmed. Consumer organizations and the government need to provide specific and correct information to Korean consumers, that also implement a wide range of consumer education related policies.

물류업 안전재고 감축을 위한 정보시스템 설계 (Design of Information Application of Decreasing Safety Stock in the Logistics)

  • 김민준;박인술;윤준섭;홍상태
    • 대한안전경영과학회:학술대회논문집
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    • 대한안전경영과학회 2005년도 추계학술대회
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    • pp.194-198
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    • 2005
  • Inventory information system is providing the benefits of smoother demand, lower inventories(work in process, safety stock) and reduced costs. This study focused on improvement of safety level inventory efficiency by inventory information system. The results indicated that inventory information system allowed the company to serve its customers more surely and efficiently.

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주요선진국의 가스기술기준 체제분석 및 제도개선 발전 모형 (Analysis of Safety Decrees for Gas Safety Management System and its Development)

  • 김봉진;강경식
    • 대한안전경영과학회지
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    • 제3권2호
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    • pp.51-63
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    • 2001
  • Korea gas industrial because of received LNG in 1987 was converted by the Gas Safety Management System in relation to city gas, LPG and LNG. Gas accident were caused by treatment problem on the supplier and user, on technical and use management mater, on facilities and goods, and included problem with gas safety connection system. This study is present standard application plan of each department to use planning gas technical standard and gas utilization standard of introduction model than statute for change of self-regulation management system and complicated regulation of examination center and order.

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EPLA(Electric Park Lock Actuator) System Safety Design Based on Vehicle Functional Safety Standard ISO 26262

  • Eun-Hye Shin;Hyun-Hee Kim;Kyung-Chang Lee
    • 한국산업융합학회 논문집
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    • 제26권2_1호
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    • pp.239-248
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    • 2023
  • In this paper, we conduct a study on the design that can secure the safety of the EPLA system by performing safety activities based on the ISO 26262 standard for vehicle functional safety. In the case of a company developing a detailed system, it is responsible for verification through hardware design and safety analysis in the overall flow of safety activities, and safety analysis according to the ASIL safety level must be properly performed. At this time, there are cases where the safety goal quantitative metric value suggested by the ISO 26262 standard cannot be satisfied only by the hardware design of the basic function, so it is necessary to design and install the safety mechanism. Based on ISO 26262 safety activities, it is possible to derive an effective design plan through hardware safety analysis.

시뮬레이션을 통해 안전성 검증을 위한 개선된 SysML 기반 고장 모델 (An Improved SysML-Based Failure Model for Safety Verification By Simulation)

  • 김창원;이재천
    • 한국산학기술학회논문지
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    • 제19권10호
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    • pp.410-417
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    • 2018
  • 현대의 시스템은 지속적으로 대형화, 복잡화되어 왔기 때문에 시스템의 오류 발생 가능성이 커졌다. 시스템의 고장은 안전 사고를 발생시키고, 인명과 재산상의 막대한 피해를 줄 수 있다. 이러한 이유로 미 국방성과 IEC 등의 국제표준기구에서는 시스템의 안전성을 확보하기 위한 안전 관련 국제표준을 제정하였고, 시스템 설계와 안전 활동이 통합적으로 수행되어야 함을 권고하였다. 이에 따라 최근의 연구들은 모델기반 시스템 설계를 진행함과 동시에 모델을 활용하여 시스템의 안전성 검증을 수행하였다. 하지만 시스템 설계를 위한 모델과 안전성 분석 및 검증을 위한 고장모델을 서로 다른 모델링 언어를 기반으로 생성하였기 때문에 시스템 설계와 안전 활동이 통합적으로 수행되지 못하였다. 또한, UML 또는 SysML 기반으로 고장모델을 활용하여 안전 요구사항을 도출한 연구들은 안전 분석 및 검증에 고장모델이 제한적으로 활용되었다. 이와 같은 문제점을 해결하기 위해서 기존의 고장모델 활용법을 확장 시킬 필요가 있다. 우선 시스템 설계와 안전성 검증 활동을 통합적으로 수행할 수 있는 개선된 SysML 기반의 고장모델을 생성해야 한다. 다음으로 이 고장모델을 활용하여 도출된 안전요구사항이 시스템 설계에 제대로 반영되었는지 검증할 수 있어야 한다. 따라서 본 논문에서는 개선된 SysML 기반 고장모델의 개념과 생성 절차를 제시하였고, 자동차 시스템에 대한 고장모델을 생성하였다. 또한, 자동차 시스템의 안전성을 검증하기 위해서 고장모델의 시뮬레이션을 수행하였다. 이를 통해서 개선된 SysML 기반 고장모델을 활용하여 시스템 설계와 안전성 검증 활동을 수행할 수 있음을 보였다.

자율주행자동차 상용화에 따른 자동차 안전 인증제도 개선에 관한 연구 (A Study on the Improvement of Motor Vehicles Safety Certification System According to the Deployment of Autonomous Vehicle)

  • 조용혁;안정아;이상현
    • 자동차안전학회지
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    • 제14권4호
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    • pp.106-112
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    • 2022
  • The purpose of this study is to explore ways of improving the motor vehicles safety certification system in preparation for the deployment of Lv.4 or higher autonomous vehicles. In order to effectively achieve the objectives of this study, theoretical and empirical research methodologies were employed, including literature review of prior research, government-published data, etc.; comparative research on legislative cases of other countries regarding motor vehicles safety certification; historical and legal research on domestic systems; legal analysis to explore approaches for improvement, etc. Some argue that the type approval system is needed in preparation for deploying autonomous vehicles, but there are several limitations in moving to the type approval system from the self-certification system currently adopted in Korea. First, there is a possibility that the system may be in conflict with the Korea-U.S. MOU regarding Foreign Motor Vehicles (1988) and the Korea-U.S. FTA (2011); second, there is a risk of undermining the cause of the self-certification system, which is the autonomy of manufacturers; third, the boundary between autonomous vehicles and non-autonomous vehicles is unclear; and fourth, the type approval system may hinder technological competitiveness. On the other hand, considering that the Korea-U.S. FTA and the UNECE IWVTA recognize exceptions to deal with road safety and risks to human health or the environment, and have a pre-certification system for some auto parts such as pressure-resistant containers, it can be said that there is room to introduce the type approval system for supplementation purposes. To improve the motor vehicles safety certification system while ensuring the safety of autonomous vehicles of Lv.4 or higher, the targets of type approval should be defined and the criteria, procedures, etc. for type approval should be established. At the same time, the consistency between motor vehicle-related laws and harmonization with international standards need to be considered.