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2018 | OriginalPaper | Buchkapitel

Towards a Common Ontology of Safety Risk Concepts for Railway Vehicles and Signaling

verfasst von : Bernhard Hulin, Hermann Kaindl, Roland Beckert, Thomas Rathfux, Roman Popp

Erschienen in: Computer Safety, Reliability, and Security

Verlag: Springer International Publishing

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Abstract

In the railway domain, different methods are applied for estimating safety targets (like SIL) in the subdomains of railway rolling stock (e.g., SIRF) and railway control, command and signaling (e.g., BP-Risk), respectively, which are referred to as railway vehicles and railway signaling for the rest of this paper. Such methods are also based on different terminology underlying different concepts used, e.g., as parameters. Even worse, similar terms often mean different concepts. This may lead to different risk estimates for these subdomains of the railway domain.
Our approach for addressing these problems has been to create a common safety ontology covering the important concepts of both subdomains. Hence, we analyzed the methods SIRF and BP-Risk with regard to the terms and parameters used. Based on this analysis and a previous safety ontology for railway vehicles, we created a new common ontology for railway vehicles and signaling. It is also consistent with the related terminology of EN 50126 (for railway systems) and ISO 26262 (for automobiles). Such an ontology should facilitate the reuse of hazard and risk analyses from one subdomain to the other, and it should have important application areas such as estimating safety targets consistently.

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Fußnoten
1
Hot axle box detection can be monitored with both wayside and on-board devices. It depends on the definition to which subdomain these devices are assigned to.
 
Literatur
1.
Zurück zum Zitat EN 50126-1: Railway applications - The specification and demonstration of reliability, availability, maintainability and safety (RAMS). Part 1: Basic requirements and generic process, September 1999 EN 50126-1: Railway applications - The specification and demonstration of reliability, availability, maintainability and safety (RAMS). Part 1: Basic requirements and generic process, September 1999
2.
Zurück zum Zitat CLC/TR 50126-2: Railway applications - The specification and demonstration of reliability, availability, maintainability and safety (RAMS). Part 2: Guide to the application of EN 50126–1 for safety, February 2007 CLC/TR 50126-2: Railway applications - The specification and demonstration of reliability, availability, maintainability and safety (RAMS). Part 2: Guide to the application of EN 50126–1 for safety, February 2007
3.
Zurück zum Zitat IEC 61508: Functional safety of electrical/electronic/programmable electronic safety-related systems, May 2010 IEC 61508: Functional safety of electrical/electronic/programmable electronic safety-related systems, May 2010
4.
Zurück zum Zitat ISO 26262: Road vehicles - Functional safety, November 2011 ISO 26262: Road vehicles - Functional safety, November 2011
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Zurück zum Zitat Object Management Group: Dependability Assurance Framework For Safety-Sensitive Consumer Devices (2016) Object Management Group: Dependability Assurance Framework For Safety-Sensitive Consumer Devices (2016)
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Zurück zum Zitat Jo, H., Hwang, J.G., Kim, Y.K.: Risk assessment method for guaranteeing safety in the train control system. In: URBAN TRANSPORT, pp. 567–576, August 2007 Jo, H., Hwang, J.G., Kim, Y.K.: Risk assessment method for guaranteeing safety in the train control system. In: URBAN TRANSPORT, pp. 567–576, August 2007
Metadaten
Titel
Towards a Common Ontology of Safety Risk Concepts for Railway Vehicles and Signaling
verfasst von
Bernhard Hulin
Hermann Kaindl
Roland Beckert
Thomas Rathfux
Roman Popp
Copyright-Jahr
2018
DOI
https://doi.org/10.1007/978-3-319-99130-6_20