This paper describes some of the modifications that are necessary to draft IEC 1508 in order to make it applicable to road transport systems. The assessment of the controllability of the safety of the situation after a failure provides a technique to identify the Safety Integrity Level in cases where the environment is continually changing. By defining a structured approach to gain confidence with incrasing Safety Integrity Level, it has been possible to state the properties expected for both software and EMC in a consistent manner. This approach may also permit traffic engineers to 'plug and play' with traffic control equipment.
Integrity levels and their application to road transport systems
Integritätslevel und ihre Anwendung bei Strassentransportsystemen
1996
10 Seiten, 3 Bilder, 4 Tabellen, 7 Quellen
Conference paper
English
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