ISSN : 1229-6783(Print)
ISSN : 2288-1484(Online)
ISSN : 2288-1484(Online)
Journal of the Korea Safety Management & Science Vol.16 No.1 pp.79-88
DOI : https://doi.org/10.12812/ksms.2014.16.1.79
DOI : https://doi.org/10.12812/ksms.2014.16.1.79
SysML을 활용한 기능안전 기반의 위험원 분석 방법
On a Hazard Identification Method Based on Functional Safety and SysML
Received January 20, 2014; Revision Received March 11, 2014; Accepted March 19, 2014.
Abstract
The rapid growth of complexity and scale can be witnessed in the design and development of modernsystems. As such, the severity of damages in the occasional accidents has attracted great deal of attentionlately. Although a variety of methods have so far been studied to overcome or reduce the disastrous results ofhazards, the issues seem still persistent and even complicated due to the situation mentioned above. Theconcept of functional safety has been regarded as one approach to handling the matters by shifting up to thefunctions level from the consideration of each physical component itself. The outcomes of those efforts wouldbe the international standards on functional safety such as IEC 61508 and its relatives including IEC 62278, EN50128, ISO26262, and so on. In this paper, a method of how hazards can be analyzed to be coped with thosestandards has been studied. In the method proposed, the systems modeling language (SysML) is playing a keyrole to model and analyze the hazards from the viewpoint of functional safety. The approach taken has beenapplied in the analysis of the hazards in railroad systems. In spite of focusing on the individual componentshazards, the method based on functional safety has analyzed them collectively with the added effect ofidentifying the cause originated from the interface between the functions.
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2.Maddalena Casamirra, Francesco Castiglia, Mariarosa Giardina, C. Lombardo, (2009), "Safety studies of a hydrogen refuelling station: Determination of the occurrence frequency of the accidental scenarios.", International Journal of Hydrogen Energy, 34: 5846-5854
3.Y.M. Chen, K. S. Fan, and L. C. Chen, (2010), "Requirements and Functional Analysis of a Multi-Hazard Disaster-Risk Analysis.", Human and Ecological Risk Assessment : An International Journal, 16: 413-428
4.Functional safety of electrical/electronic/progra mmable electronic safety-related systems, Inter national Electrotechnical Commission Standard, IEC 61508, 2010.
5.Railway applications - Specification and demons tration of reliability, availability, maintainability and safety (RAMS), International Electrotechnical Commission Standard, IEC 62278, 2002.
6.Road vehicles Functional safety, International Organization for Standardization Standard, ISO 26262, 2011.
7.Jordi Dunjo, Vasilis Fthenakis, Juan Vilchez, Josep Arnaldos, (2010), "Hazard and Operability (HAZOP) analysis. A literature review.", Journal of Hazardous Materials, 173: 19-32
8.Rob Alexander, Tim Kelly, (2013), "Supporting systems of systems hazard analysis using multi-agent simulation.", Safety Science, 51: 302-318
9.Patrick Redmond, (2007), "A system of systems interface hazard analysis techniques," M.S. thesis Naval Postgraduate School, Monterey, CA
10.OMG System Modeling Language, (2012), Object Management Group Standard
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