In this paper, the use of hazard models for electronic systems in railway operation and control is discussed. The focus is on how such a model can be used in order to supply the required information supporting the safety process and providing an argument structure in a safety case according to CENELEC standards EN 50126-1 and EN 50129. The main goal is an explicit depiction of the hazards in a functional and technical context in order to increase the quality and reusability of a safety case as well as an easier assessment of electronic systems in railway operation and control.
A hazard model as a core element for structured safety case construction for electronic systems in railway operation and control
Ein Gefahrenmodell als Kernelement für eine strukturierte Safety Case-Entwicklung für sicherheitsrelevante elektronische Systeme für Bahnanwendungen
2008
7 Seiten, 4 Bilder, 19 Quellen
Conference paper
English
CENELEC (Kommission Europäische Norm Elektrotechnik) , Eisenbahn , Eisenbahnsignaltechnik , elektronische Steuerung und Regelung , Europanorm , Funktionssicherheit , Gefahr , Gefährdungsbeurteilung , Gefahrenanalyse , integrierte Sicherheitsstufe , Integritätsprüfung , Komponentenentwicklung , Modellbildung , Programmentwicklung , Risikomanagement , Schadensursache , Sicherheitsvorschrift , Software-Engineering , Systemarchitektur , systematischer Fehler , Systementwurf , Verkehrssignaltechnik
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