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Allocation of Safety Integrity Level for Railway Platform Screen Door System based on Consequence Severity and Risk Graph
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 Title & Authors
Allocation of Safety Integrity Level for Railway Platform Screen Door System based on Consequence Severity and Risk Graph
Song, Ki Tae; Lee, Sung Ill;
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 Abstract
There exists required safety integrity level (SIL) to assure safety in accordance with international standards for every electrical / electronics / control equipment or systems with safety related functions. The SIL is allocated from lowest level (level 0) to highest level (level 4). In order to guarantee certain safety level that is internationally acceptable, application of methodology for SIL allocation and demonstration based on related international standards is required. However, application standard differs from every industry in domestic or international for application on mythology for allocation and demonstration of SIL. Application or assessment is not easy since absence on clear criteria or common definition. This research studied not only fundamental concept of SIL required to guarantee safety in accordance with international standards for safety related equipment and system, but different types of methodologies for SIL allocation. Specifically, SIL allocation for Platform Screen Door system of railway is studied applying methodology of severity of accidents and risk graph among different methodologies for SIL allocation.
 Keywords
consequence severity;risk graph;safety integrity level;railway;platform screen door;safety integrity allocation;tolerable hazard rate;
 Language
Korean
 Cited by
1.
Quantitative Risk Reduction Model according to SIL allocated by Risk Graph for Railway Platform Door System, Journal of the Korean Society of Safety, 2016, 31, 5, 141  crossref(new windwow)
 References
1.
IEC61508, Functional Safety of Electrical / Electronic /Programmable Electronic Safety-related Systems, Part 5, IEC, pp. 10-44, 2010.

2.
IEC62278, Railway Applications - Specification and Demonstration of Reliability, Availability, Maintainability and Safety (RAMS), IEC, pp. 49-53 2002.

3.
IEC62425, Communication, Signalling and Processing Systems - Safety Related Electronic Systems for Signalling IEC, pp. 33-46, 2007.

4.
E. Marzal and E. Scharpf, ""Safety Integrity Selection"", The Instrumentation, System and Automation Society, pp. 5-28, 161- 203 , 2002.

5.
IEC61511, Functional safety - Safety Instrumented Systems for the Process Industry Sector, Part 3, IEC, pp. 15-45, 2004.

6.
Engineering Safety Management (The Yellow Book), Fundamental and Guidance, Railtrack, Vol. 1 & 2, pp. 198-206, 2007.